California--TSP----------------------------------------------------------------------------------------------------------------
Does not
Does not meet Cannot be Better than
Designated area meet primary secondary classified national
standards standards standards----------------------------------------------------------------------------------------------------------------North Coast Air Basin:
Del Norte County...................................... ............ ............ ............ X
Humboldt County....................................... ............ ............ ............ X
Mendocino County...................................... ............ ............ ............ X
Sonoma County (North Coast Air Basin portion)......... ............ ............ ............ X
Trinity County........................................ ............ ............ ............ XLake County Air Basin................................... ............ ............ ............ XNorth Central Coast Air Basin........................... ............ ............ ............ XSouth Central Coast Air Basin:
San Luis Obispo County:
Salinas Valley-El Pomar Estrella Planning Area...... ............ ............ ............ X
Non-Salinas Valley.................................. ............ ............ ............ X
Santa Barbara County (AQMA portion)................... ............ ............ ............ X
Santa Barbara County (Non-AQMA portion):
A. West area of north-south boundary separating
Santa Ynez and Lompoc Valleys:
Santa Maria Area.................................. X
Outside Santa Maria Area.......................... ............ ............ ............ X
B. East area of north-south boundary separating ............ ............ X
Santa Ynez and Lompoc Valleys......................
Ventura County:
North of 3423' North Latitude....................... ............ ............ ............ X
South of 3423' North Latitude....................... X
Channel Islands....................................... ............ ............ XSan Diego Air Basin:
San Diego County (West portion)....................... X
San Diego County (East portion)....................... ............ ............ XSouth Coast Air Basin................................... XSan Joaquin Valley Air Basin............................ XSacramento Valley Air Basin (SVAB):
Sacramento County..................................... ............ X
Solano County (SVAB Portion).......................... ............ ............ X
Yolo County........................................... ............ ............ X
Butte County.......................................... ............ ............ X
Colusa County......................................... ............ ............ X
Glenn County.......................................... ............ ............ X
Shasta County (Sacramento Valley portion)............. ............ ............ ............ X
Sutter County......................................... ............ ............ X
Tehama County......................................... ............ ............ X
Yuba County........................................... ............ ............ XGreat Basin Valleys Air Basin...........................Northeast Plateau Air Basin (NEPAB):
Shasta County (NEPAB portion)......................... ............ ............ ............ X
Rest of Air Basin..................................... ............ ............ XSoutheast Desert Air Basin:
Kern County (S.E. Desert Air Basin Portion)........... ............ ............ X
Imperial County....................................... ............ ............ X
Los Angeles County (S.E. Desert Air Basin Portion):
Lancaster Quartz Hill Area.......................... ............ ............ ............ X
Outside Lancaster Quartz Hill Area.................... ............ ............ X
Riverside County (Coachella Valley planning area)..... ............ ............ X
Riverside County (remainder of County)................
San Bernardino County (S.E. Desert AQMA Portion):.....
Victorville Area.................................... X
Non-Victorville Area................................ ............ ............ X
Riverside County (non-AQMA Portion)................... ............ ............ X
San Bernardino County (non-AQMA Portion).............. ............ ............ XLake Tahoe Air Basin.................................... ............ ............ ............ XSan Francisco Bay Area Air Basin:
Solano County (S.F. Bay Area Air Basin portion)....... ............ ............ ............ X
San Mateo County...................................... ............ ............ ............ X
Marin County.......................................... ............ ............ ............ X
Napa County........................................... ............ ............ ............ X
Sonoma County (S.F. Bay Area Air Basin portion)....... ............ ............ ............ X
Alameda County........................................ ............ ............ ............ X
Contra Costa County................................... ............ ............ ............ X
San Francisco County.................................. ............ ............ ............ X
Santa Clara County.................................... ............ X
Rest of Air Basin..................................... ............ XMountain Counties Air Basin:
Placer County (AQMA portion).......................... ............ ............ ............ X
Placer County (excluding AQMA portion and Lake Tahoe ............ ............ ............ X
portion).............................................
Amador County......................................... ............ ............ ............ X
Calaveras County...................................... ............ ............ X
El Dorado County (excluding Lake Tahoe Air Basin ............ ............ ............ X
portion).............................................
Mariposa County....................................... ............ ............ X
Nevada County......................................... ............ ............ X
Plumas County......................................... ............ ............ ............ X
Sierra County......................................... ............ ............ ............ X
Tuolumne County....................................... ............ ............ X----------------------------------------------------------------------------------------------------------------
California--1971 Sulfur Dioxide NAAQS (Primary and Secondary)----------------------------------------------------------------------------------------------------------------
Does not
Does not meet Cannot be Better than
Designated area meet primary secondary classified national
standards standards standards----------------------------------------------------------------------------------------------------------------North Coast Air Basin:
Del Norte County...................................... ............ ............ X
Humboldt County....................................... ............ ............ X
Mendocino County...................................... ............ ............ X
Sonoma County (North Coast Basin portion)............. ............ ............ X
Trinity County........................................ ............ ............ X
Lake County Air Basin................................. ............ ............ X
San Francisco Bay Area Air Basin...................... ............ ............ ............ XNorth Central Coast Air Basin:
Monterey County....................................... ............ ............ X
San Benito County..................................... ............ ............ X
Santa Cruz County..................................... ............ ............ XSouth Central Coast Air Basin:
San Luis Obispo County................................ ............ ............ X
Santa Barbara County (AQMA portion)................... ............ ............ X
Santa Barbara County (non-AQMA portion)............... ............ ............ X
Ventura County........................................ ............ ............ ............ X
Channel Islands....................................... ............ ............ XSan Diego Air Basin:
San Diego County (West portion)....................... ............ ............ ............ X
San Diego County (East portion)....................... ............ ............ ............ XSouth Coast Air Basin:
Los Angeles County (South Coast Air Basin portion).... ............ ............ ............ X
Orange County......................................... ............ ............ ............ X
Riverside County (South Coast Air Basin portion)...... ............ ............ ............ X
South Coast Basin portion of San Bernardino County....San Joaquin Valley Air Basin:
Fresno County......................................... ............ ............ X
Kern County........................................... ............ ............ ............ X
Kings County.......................................... ............ ............ X
Madera County......................................... ............ ............ X
Merced County......................................... ............ ............ X
San Joaquin County.................................... ............ ............ X
Stanislaus County..................................... ............ ............ X
Tulare County......................................... ............ ............ X
Sacramento Valley Air Basin........................... ............ ............ X
Great Basin Valley's Air Basin........................ ............ ............ X
North East Plateau Air Basin.......................... ............ ............ X
Mountain Counties Air Basin........................... ............ ............ X
Southeast Desert Air Basin excluding Imperial Co...... ............ ............ X
Imperial County....................................... ............ ............ ............ X
Lake Tahoe Air Basin.................................. ............ ............ ............ X----------------------------------------------------------------------------------------------------------------
California--Carbon Monoxide----------------------------------------------------------------------------------------------------------------
Designation Classification
Designated Area ---------------------------------------------------------------------------
Date \1\ Type Date \1\ Type----------------------------------------------------------------------------------------------------------------Bakersfield Area:
Kern County (part)................
Bakersfield Metropolitan Area 6/1/98 Attainment ......... ....................
(Urbanized part).Chico Area:
Butte County (part)............... 6/1/98 Attainment
Chico Urbanized Area (Census
Bureau Urbanized part).Fresno Area:
Fresno County (part).............. 6/1/98 Attainment
Fresno Urbanized Area.............Lake Tahoe North Shore Area:
Placer County (part).............. June 1, Attainment
That portion of Placer County 1998
within the drainage area
naturally tributary to Lake Tahoe
including said Lake, plus that
area in the vicinity of the head
of the Truckee River described as
follows: commencing at the point
common to the aforementioned
drainage area crestline and the
line common to Townships 15 North
and 16 North, Mount Diablo Base,
and Meridian (M.D.B. & M.), and
following that line in a westerly
direction to the northwest corner
of Section 3, Township 15 North,
Range 16 East, M.D.B. & M.,
thence south along the west line
of Sections 3 and 10, Township 15
north, Range 16 East, M.D.B. &
M., to the intersection with the
said drainage area crestline,
thence following the said
drainage area boundary in a
southeasterly, then northeasterly
direction to and along the Lake
Tahoe Dam, thence following the
said drainage area crestline in a
northeasterly, then northwesterly
direction to the point of
beginning.Lake Tahoe South Shore Area:
El Dorado County (part)........... 6/1/98 Attainment
That portion of El Dorado County
within the drainage area
naturally tributary to Lake Tahoe
including said Lake, as described
under 40 CFR 81.275.Los Angeles-South Coast Air Basin 6/11/07 Attainment
Area.Los Angeles County (part)--that
portion of Los Angeles County which
lies south and west of a line
described as follows:
1. Beginning at the Los Angeles-
San Bernardino County boundary
and running west along the
township line common to
Township 3 North and Township 2
North, San Bernardino Base and
Meridian;
2. Then north along the range
line common to Range 8 West and
Range 9 West;
3. Then west along the township
line common to Township 4 North
and Township 3 North;
4. Then north along the range
line common to Range 12 West
and Range 13 West to the
southeast corner of Section 12,
Township 5 North and Range 13
West;
5. Then west along the south
boundaries of Sections 12, 11,
10, 9, 8, and 7, Township 5
North and Range 13 West to the
boundary of the Angeles
National Forest which is
collinear with the range line
common to Range 13 West and
Range 14 West;
6. Then north and west along the
Angeles National Forest
boundary to the point of
intersection with the township
line common to Township 7 North
and Township 6 North (point is
at the northwest corner of
Section 4 in Township 6 North
and Range 14 West);
7. Tthen west along the township
line common to Township 7 North
and Township 6 North;
8. Then north along the range
line common to Range 15 West
and Range 16 West to the
southeast corner of Section 13,
Township 7 North and Range 16
West;
9. Then along the south
boundaries of Sections 13, 14,
15, 16, 17, and 18, Township 7
North and Range 16 West;
10. Then north along the range
line common to Range 16 West
and Range 17 West to the north
boundary of the Angeles
National Forest (collinear with
the township line common to
Township 8 North and Township 7
North);
11. Then west along the Angeles
National Forest boundary to the
point of intersection with the
south boundary of the Rancho La
Liebre Land Grant;
12. Then west and north along
this land grant boundary to the
Los Angeles-Kern County
boundary.Orange County:Riverside County (part)--that
portion of Riverside County which
lies to the west of a line
described as follows:
1. Beginning at the Riverside--
San Diego County boundary and
running north along the range
line common to Range 4 East and
Range 3 East, San Bernardino
Base and Meridian;
2. Then east along the township
line common to Township 8 South
and Township 7 South;
3. Then north along the range
line common to Range 5 East and
Range 4 East;
4. Then west along the township
line common to Township 6 South
and Township 7 South to the
southwest corner of Section 34,
Township 6 South, Range 4 East;
5. Then north along the west
boundaries of Sections 34, 27,
22, 15, 10, and 3, Township 6
South, Range 4 East;
6. Then west along the township
line common to Township 5 South
and Township 6 South;
7. Then north along the range
line common to Range 4 East and
Range 3 East;
8. Then west along the south
boundaries of Sections 13, 14,
15, 16, 17, and 18, Township 5
South, Range 3 East;
9. Then north along the range
line common to Range 2 East and
Range 3 East to the Riverside-
San Bernardino county line.San Bernardino County--that portion
of San Bernardino County which lies
south and west of a line described
as follows:
1. Beginning at the San
Bernardino-Riverside County
boundary and running north
along the range line common to
Range 3 East and Range 2 East,
San Bernardino Base and
Meridian;
2. Then west along the township
line common to Township 3 North
and Township 2 North to the San
Bernardino--Los Angeles County
boundary.Modesto Area:
Stanislaus County (part).......... 6/1/98 Attainment ......... ....................
Modesto Urbanized Area (Census
Bureau Urbanized Area).Sacramento Area:
Census Bureau Urbanized Area)..... 6/1/98 Attainment ......... ....................
Placer County (part)..............
Sacramento County (part)..........
Yolo County (part)................San Diego Area:
San Diego County (part)........... 6/1/98 Attainment
The Western Section of Air
Pollution Control District of San
Diego County is defined as all
that portion of San Diego County,
State of California, lying
westerly of the following
described line:.
1. Beginning at the
Northwest of Township 9
South, Range 1 West, San
Bernardino Base and
Meridian;
2. thence running Southerly
along the West line of said
township to the south line
therof;
3. thence Easterly along
said South line to the
range line between Range 1
West and Range 1 East;
4. thence Southerly along
said range line to the
township line between
Township 11 South and 12
South;
5. thence Easterly along
said township line to the
range line between Range 1
East and Range 2 East;
6. thence Southerly along
said range line to the
international boundary
between the United States
of America and Mexico.San Francisco-Oakland-San Jose Area:
Urbanized Areas................... 6/1/98 Attainment
Alameda County (part).............
Contra Costa County (part)........
Marin County (part)...............
Napa County (part)................
San Francisco County..............
San Mateo County (part)...........
Santa Clara County (part).........
Solano County (part)..............
Sonoma County (part)..............Stockton Area:
San Joaquin County (part)......... 6/1/98 Attainment
Stockton Urbanized Area...........Great Basin Valley Air Basin........ ......... Unclassifiable/Attainment
Alpine County
Inyo County
Mono CountyLake County Air Basin
Lake County....................... ......... Unclassifiable/AttainmentMountain Counties Air Basin
Amador County..................... ......... Unclassifiable/Attainment
Calaveras County.................. ......... Unclassifiable/Attainment
El Dorado County (part)
excluding Lake Tahoe South Shore ......... Unclassifiable/Attainment
Mariposa County................... ......... Unclassifiable/Attainment
Nevada County..................... ......... Unclassifiable/Attainment
Placer County (part)
excluding Lake Tahoe Air Basin ......... Unclassifiable/Attainment
portion and AQMA portion.
AQMA portion (of Placer County). ......... Unclassifiable/Attainment
Plumas County..................... ......... Unclassifiable/Attainment
Sierra County..................... ......... Unclassifiable/Attainment
Tuolumne County................... ......... Unclassifiable/AttainmentNorth Central Coast Air Basin
Monterey County................... ......... Unclassifiable/Attainment
San Benito County................. ......... Unclassifiable/Attainment
Santa Cruz County................. ......... Unclassifiable/AttainmentNorth Coast Air Basin............... ......... Unclassifiable/Attainment
Del Norte County
Humboldt County
Mendocino County
Sonoma County (part)
Remainder of County
Trinity CountyNortheast Plateau Air Basin......... ......... Unclassifiable/Attainment
Lassen County
Modoc County
Siskiyou CountySacramento Valley Air Basin
(portion)
Butte County (part)
Area other than Chico Urbanized ......... Unclassifiable/Attainment
Area (Census Bureau urbanized
part).
Colusa County..................... ......... Unclassifiable/Attainment
Glenn County...................... ......... Unclassifiable/Attainment
Sacramento County (part)
Area other than Census Bureau ......... Unclassifiable/Attainment
urbanized areas.
Shasta County..................... ......... Unclassifiable/Attainment
Solano County (part)
Sacramento Valley Air Basin ......... Unclassifiable/Attainment
portion.
Sutter County..................... ......... Unclassifiable/Attainment
Tehama County..................... ......... Unclassifiable/Attainment
Yolo County (part)
Area outside Census Bureau ......... Unclassifiable/Attainment
urbanized areas.
Yuba County....................... ......... Unclassifiable/AttainmentSan Diego Air Basin (Remainder of)
San Diego County (part)
Remainder of County............. ......... Unclassifiable/AttainmentSan Francisco Bay Area Air Basin.... ......... Unclassifiable/Attainment
Area other than urbanized Areas
Alameda County (part)
Contra Costa County (part)
Marin County (part)
Napa County (part)
San Mateo County (part)
Santa Clara County (part)
Solano County (part)
Sonoma County (part)San Joaquin Valley Air Basin
Fresno County (part)
Outside Fresno Urbanized Area... ......... Unclassifiable/Attainment
Kern County (part)
Area other than Bakersfield ......... Unclassifiable/Attainment
Metropolitan Area (Urbanized
part).
Kings County...................... ......... Unclassifiable/Attainment
Madera County..................... ......... Unclassifiable/Attainment
Merced County..................... ......... Unclassifiable/Attainment
San Joaquin County (part)
Outside Stockton urbanized area. ......... Unclassifiable/Attainment
Stanislaus County (part)
Outside Modesto Urbanized Area ......... Unclassifiable/Attainment
(Census Bureau Urbanized Area).
Tulare County..................... ......... Unclassifiable/AttainmentSouth Central Coast Air Basin
Channel Islands................... ......... Unclassifiable/Attainment
San Luis Obispo County............ ......... Unclassifiable/Attainment
Santa Barbara County.............. ......... Unclassifiable/Attainment
Ventura County.................... ......... Unclassifiable/AttainmentSoutheast Desert Air Basin
Imperial County................... ......... Unclassifiable/Attainment
Kern County (part)
excluding San Joaquin Valley ......... Unclassifiable/Attainment
portion.
Los Angeles County
excluding Los Angeles - South ......... Unclassifiable/Attainment
Coast Air Basin portion.
Riverside County (part) Portion ......... Unclassifiable/Attainment.
excluding Los Angeles-South Coast
Air Basin
San Bernardino Co(part)
AQMA portion (excluding Los ......... Unclassifiable/Attainment
Angeles - South Coast Air
Basin).
Non-AQMA portion (excluding Los ......... Unclassifiable/Attainment
Angeles - South Coast Air
Basin).----------------------------------------------------------------------------------------------------------------\1\ This date is November 15, 1990, unless otherwise noted.
California--Ozone (1-Hour Standard)\4\----------------------------------------------------------------------------------------------------------------
Designation Classification
Designated area ---------------------------------------------------------------------------
Date \1\ Type Date \1\ Type----------------------------------------------------------------------------------------------------------------Chico Area:
Butte County.................... (\3\) Nonattainment (\3\) Sec. 185A Area.\2\Imperial County Area:
Imperial County................. 11/15/90 Nonattainment 11/15/90 Sec. 185A Area.\2\Los Angeles-South Coast Air Basin 11/15/90 Nonattainment 11/15/90 Extreme.
Area \5\.
Los Angeles County (part)....... 11/15/90 Nonattainment 11/15/90 Extreme.
That portion of Los Angeles
County which lies south and
west of a line described as
follows:
1. Beginning at the Los
Angeles-San Bernardino
County boundary and running
west along the Township
line common to Township 3
North and Township 2 North,
San Bernardino Base and
Meridian;
2. then north along the
range line common to Range
8 West and Range 9 West;
3. then west along the
Township line common to
Township 4 North and
Township 3 North;
4. then north along the
range line common to Range
12 West and Range 13 West
to the southeast corner of
Section 12, Township 5
North and Range 13 West;
5. then west along the south
boundaries of Sections 12,
11, 10, 9, 8, and 7,
Township 5 North and Range
13 West to the boundary of
the Angeles National Forest
which is collinear with the
range line common to Range
13 West and Range 14 West;
6. then north and west along
the Angeles National Forest
boundary to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
7. then west along the
Township line common to
Township 7 North and
Township 6 North;
8. then north along the
range line common to Range
15 West and Range 16 West
to the southeast corner of
Section 13, Township 7
North and Range 16 West;
9. then along the south
boundaries of Sections 13,
14, 15, 16, 17, and 18,
Township 7 North and Range
16 West;
10. then north along the
range line common to Range
16 West and Range 17 West
to the north boundary of
the Angeles National Forest
(collinear with the
Township line common to
Township 8 North and
Township 7 North);
11. then west and north
along the Angeles National
Forest boundary to the
point of intersection with
the south boundary of the
Rancho La Liebre Land
Grant;
12. then west and north
along this land grant
boundary to the Los Angeles-
Kern County boundary.
Orange County................... 11/15/90 Nonattainment 11/15/90 Extreme.
Riverside County (part)......... 11/15/90 Nonattainment 11/15/90 Extreme.
That portion of Riverside
County which lies to the
west of a line described as
follows:
1. Beginning at the
Riverside-San Diego County
boundary and running north
along the range line common
to Range 4 East and Range 3
East, San Bernardino Base
and Meridian;
2. then east along the
Township line common to
Township 8 South and
Township 7 South;
3. then north along the
range line common to Range
5 East and Range 4 East;
4. then west along the
Township line common to
Township 6 South and
Township 7 South to the
southwest corner of Section
34, Township 6 South, Range
4 East;
5. then north along the west
boundaries of Sections 34,
27, 22, 15, 10, and 3,
Township 6 South, Range 4
East;
6. then west along the
Township line common to
Township 5 South and
Township 6 South;
7. then north along the
range line common to Range
4 East and Range 3 East;
8. then west along the south
boundaries of Sections 13,
14, 15, 16, 17, and 18,
Township 5 South, Range 3
East;
9. then north along the
range line common to Range
2 East and Range 3 East to
the Riverside-San
Bernardino County line.
San Bernardino County (part).... 11/15/90 Nonattainment 11/15/90 Extreme.
That portion of San
Bernardino County which
lies south and west of a
line described as follows:
1. Beginning at the San
Bernardino-Riverside County
boundary and running north
along the range line common
to Range 3 East and Range 2
East, San Bernardino Base
and Meridian;
2. then west along the
Township line common to
Township 3 North and
Township 2 North to the San
Bernardino-Los Angeles
County boundary.Morongo Band of Mission Indians \6\. 11/15/90 Nonattainment 11/15/90 Severe-17.Monterey Bay Area................... ......... Attainment
Monterey County
San Benito County
Santa Cruz CountySacramento Metro Area............... 11/15/90 Nonattainment 6/01/95 Severe-15.
El Dorado County (part):
All portions of the county
except that portion of El
Dorado County within the
drainage area naturally
tributary to Lake Tahoe
including said Lake.
Placer County (part):
All portions of the county 11/15/90 Nonattainment 6/01/95 Severe-15.
except that portion of
Placer County within the
drainage area naturally
tributary to Lake Tahoe
including said Lake, plus
that area in the vicinity
of the head of the Truckee
River described as follows:
commencing at the point
common to the
aforementioned drainage
area crestline and the line
common to Townships 15
North and 16 North, Mount
Diablo Base and Meridian
(M.D.B. & M.), and
following that line in a
westerly direction to the
northwest corner of Section
3, Township 15 North, Range
16 East, M.D.B. & M.,
thence south along the west
line of Sections 3 and 10,
Township 15 North, Range 16
East, M.D.B. & M., to the
intersection with the said
drainage area crestline,
thence following the said
drainage area boundary in a
southeasterly, then
northeasterly direction to
and along the Lake Tahoe
Dam, thence following the
said drainage area
crestline in a
northeasterly, then
northwesterly direction to
the point of beginning.
Sacramento County............... 11/15/90 Nonattainment 6/01/95 Severe-15.
Solano County (part) That 11/15/90 Nonattainment 6/01/95 Severe-15.
portion of Solano County which
lies north and east of a line
described as follows:
Description of boundary in 11/15/90 Nonattainment 6/01/95 Severe-15.
Solano county between San
Francisco and Sacramento:
Beginning at the
intersection of the
westerly boundary of Solano
County and the \1/4\
section line running east
and west through the center
of Section 34; T. 6 N., R.
2 W., M.D.B. & M., thence
east along said \1/4\
section line to the east
boundary of Section 36, T.
6 N., R. 2 W., thence south
\1/2\ mile and east 2.0
miles, more or less, along
the west and south boundary
of Los Putos Rancho to the
northwest corner of Section
4, T. 5 N., R. 1 W., thence
east along a line common to
T. 5 N. and T. 6 N. to the
northeast corner of Section
3, T. 5 N., R. 1 E., thence
south along section lines
to the southeast corner of
Section 10, T. 3 N., R. 1
E., thence east along
section lines to the south
\1/4\ corner of Section 8,
T. 3 N., R. 2 E., thence
east to the boundary
between Solano and
Sacramento Counties
Sutter County (part--southern 11/15/90 Nonattainment 6/01/95 Severe-15.
portion)South of a line
connecting the northern border
of Yolo Co. to the SW tip of
Yuba Co. and continuing along
the southern Yuba County border
to Placer County.
Yolo County..................... 11/15/90 Nonattainment 6/01/95 Severe-15.San Diego Area:.....................
San Diego County................ 7/28/03 AttainmentSan Francisco-Bay Area.............. 8/10/98 Nonattainment 8/10/98 Not classified/
Moderate under 23
U.S.C.
......... 8/23/99 104(b)(2).
Alameda County.................. 8/10/98 ......do 8/23/99 Do.
Contra Costa County............. 8/10/98 ......do 8/23/99 Do.
Marin County.................... 8/10/98 ......do 8/23/99 Do.
Napa County..................... 8/10/98 ......do 8/23/99 Do.
San Francisco County............ 8/10/98 ......do 8/23/99 Do.
San Mateo County................ 8/10/98 ......do 8/23/99 Do.
Santa Clara County.............. 8/10/98 ......do 8/23/99 Do.
Solano County (part)............ 8/10/98 ......do 8/23/99 Do.
That portion of the county
that lies south and west of
the line described that
follows: Description of
boundary in Solano County
between San Francisco and
Sacramento: Beginning at
the intersection at the
westerly boundary of Solano
County and the \1/4\
section line running east
and west through the center
of Section 34; T.6 N., R. 2
W., M.D.B. & M., thence
east along said \1/2\
section line to the east
boundary of Section 36, T.
6 N., R. 2 W., thence south
\1/2\ mile and east 2.0
miles, more or less, along
the west and south boundary
of Los Putos Rancho to the
northwest corner of Section
4, T. 5 N., R. 1 W, thence
east along a line common to
T. 5 N., and T. 6 N. to the
northeast corner of Section
3, T. 5 N., R. 1 E., thence
south along section lines
to the southeast corner of
Section 10 T. 3 N., R. 1
E., thence east along
section lines to the south
\1/4\ corner of Section 8
T. 3 N., R. 2 E., thence
east to the boundary
between Solano and
Sacramento Counties.
Sonoma County (part)............ 8/10/98 ......do 8/23/99 Do.
That portion of Sonoma
county which lies south and
east of a line described as
follows: Beginning at the
south-easterly corner of
the Rancho Estero
Americano, being on the
boundary line between Marin
Sonoma Counties,
California; thence running
northerly along the
easterly boundary line of
said Rancho Estero
Americano to the
northeasterly corner
thereof, being an angle
corner in the westerly
boundary line of Rancho
Canada de Jonive, thence
running along said boundary
of Rancho Canada de Jonive
westerly,; northerly and
easterly to its
intersection with the
easterly line of Granton
Road; thence running along
the easterly and southerly
line of Granton Road
northerly and easterly to
its intersection with the
easterly line of Sullivan
Road; thence running
northerly along said
easterly line of Sullivan
Road to the southerly line
of Green Valley Road;
thence running easterly
along the said southerly
line of Green Valley Road
and easterly along the
southerly line of State
Highway 116, to the
westerly and northerly line
of Vine Hill Road; thence
running along the westerly
and northerly line of Vine
Hill Road, northerly and
easterly to its
intersection with the
westerly line of Laguna
Road; thence running
northerly along the
westerly line of Laguna
Road and the northerly
projection thereof to the
northerly line of Trenton
Road; thence running
westerly along the
northerly line of said
Trenton Road to the
easterly line of Trenton-
Healdsburg Road to the
easterly line of Eastside
Road: thence running
northerly along said
easterly line of Eastside
Road to its intersection
with the southerly line of
Ranco Sotoyome; thence
running easterly along said
southerly line of Rancho
Sotoyome to its
intersection with the
Township line common to
Townships 8 and 9 north,
Mt. Diablo Base and
Meridian; thence running
easterly along said
Township line to its
intersection with the
boundary line between
Sonoma and Napa Counties,
State of California.
East Kern County:
That portion of Kern County that 6/21/04 Attainment
lies east and south of a line
described below: Beginning at
the Kern-Los Angeles County
boundary and running north and
east along the northwest
boundary of the Rancho La
Liebre Land Grant to the point
of intersection with the range
line common to Range 16 West
and Range 17 West, San
Bernardino Base and Meridian;
north along the range line to
the point of intersection with
the Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest along
the boundary of the Rancho El
Tejon Grant to the northwest
corner of Section 3, Township
11 North, Range 17 West; then
west 1.2 miles; then north to
the Rancho El Tejon Land Grant
boundary; then northwest along
the Rancho El Tejon line to the
southeast corner of Section 34,
Township 32 South, Range 30
East, Mount Diablo Base and
Meridian; then north to the
northwest corner of Section 35,
Township 31 South, Range 30
East, then northeast along the
boundary of the Rancho El Tejon
Land Grant to the southwest
corner of Section 18, Township
31 South, Range 31 East; then
east to the southeast corner of
Section 13, Township 31 South,
Range 31 East; then north along
the range line common to Range
31 East and Range 32 East,
Mount Diablo Base and Meridian,
to the northwest corner of
Section 6, Township 29 South,
Range 32 East; then east to the
southwest corner of Section 31,
Township 28 South, Range 32
East; then north along the
range line common to Range 31
East and Range 32 East to the
northwest corner of Section 6,
Township 28 South, Range 32
East, then west to the
southeast corner of Section 36,
Township 27 South, Range 31
East, then north along the
range line common to Range 31
East and Range 32 East to the
Kern-Tulare County Boundary.San Joaquin Valley Area:
Fresno County................... 11/15/90 Nonattainment 05/17/04 ExtremeKern County (part). That portion of 11/15/90 Nonattainment 05/17/04 Extreme
Kern County that lies west and
north of a line described below:.
Beginning at the Kern-Los
Angeles County boundary and
running north and east along
the northwest boundary of the
Rancho La Pliebre Land Grant to
the point of intersection with
the range line common to Range
16 West and Range 17 West, San
Bernardino Base and Meridian;
north along the range line to
the point of intersection with
the Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest along
the boundary of the Rancho El
Tejon Grant to the northwest
corner of Section 3, Township
11 North, Range 17 West; then
west 1.2 miles; then north to
the Rancho El Tejon Land Grant
boundary; then northwest along
the Rancho El Tejon line to the
southeast corner of Section 34,
Township 32 South, Range 30
East, Mount Diablo Base and
Meridian; then north to the
northwest corner of Section 35,
Township 31 South, Range 30
East; then northeast along the
boundary of the Rancho El Tejon
Land Grant to the southwest
corner of Section 18, Township
31 South, Range 31 East; then
east to the southeast corner of
Section 13, Township 31 South,
Range 31 East; then north along
the range line common to Range
31 East and Range 32 East,
Mount Diablo Base and Meridian,
to the northwest corner of
Section 6, Township 29 South,
Range 32 East; then east to the
southwest corner of Section 31,
Township 28 South, Range 32
East; then north along the
range line common to Range 31
East and Range 32 East to the
northwest corner of Section 6,
Township 28 South, Range 32
East, then west to the
southeast corner of Section 36,
Township 27 South, Range 31
East, then north along the
range line common to Range 31
East and Range 32 East to the
Kern-Tulare County boundary:.Kings County........................ 11/15/90 Nonattainment 05/17/04 ExtremeMadera County....................... 11/15/90 Nonattainment 05/17/04 ExtremeMerced County....................... 11/15/90 Nonattainment 05/17/04 ExtremeSan Joaquin County.................. 11/15/90 Nonattainment 05/17/04 ExtremeStanislaus County................... 11/15/90 Nonattainment 05/17/04 ExtremeTulare County....................... 11/15/90 Nonattainment 05/17/04 ExtremeSanta Barbara-Santa Maria-Lompoc
Area:
Santa Barbara County............ 8/8/03 AttainmentSoutheast Desert Modified AQMA Area. 11/15/90 Nonattainment 11/15/90 Severe-17.
Los Angeles County (part)--that
portion of Los Angeles County
which lies north and east of a
line described as follows:
1. Beginning at the Los
Angeles--San Bernardino
County boundary and running
west along the Township
line common to Township 3
North and Township 2 North,
San Bernardino Base and
Meridian;
2. then north along the
range line common to Range
8 West and Range 9 West;
3. then west along the
Township line common to
Township 4 North and
Township 3 North;
4. then north along the
range line common to Range
12 West and Range 13 West
to the southeast corner of
Section 12, Township 5
North and Range 13 West;
5. then west along the south
boundaries of Sections 12,
11, 10, 9, 8, and 7,
Township 5 North and Range
13 West to the boundary of
the Angeles National Forest
which is collinear with the
range line common to Range
13 West and Range 14 West;
6. then north and west along
the Angeles National Forest
boundary to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
7. then west along the
Township line common to
Township 7 North and
Township 6 North;
8. then north along the
range line common to Range
15 West and Range 16 West
to the southeast corner of
Section 13, Township 7
North and Range 16 West;
9. then along the south
boundaries of Sections 13,
14, 15, 16, 17, and 18,
Township 7 North and Range
16 West;
10. then north along the
range line common to Range
16 West and Range 17 West
to the north boundary of
the Angeles National Forest
(collinear with the
Township line common to
Township 8 North and
Township 7 North);
11. then west along the
Angeles National Forest
boundary to the point of
intersection with the south
boundary of the Rancho La
Liebre Land Grant;
12. then west and north
along this land grant
boundary to the Los Angeles-
Kern County boundary.
Riverside County 11/15/90 Nonattainment 11/15/90 Severe-17Coachella Valley planning area--that
portion of Riverside County which
lies to the east of a line
described as follows:
1. Beginning at the Riverside-
San Diego County boundary and
running north along the range
line common to Range 4 East and
Range 3 East, San Bernardino
Base and Meridian;
2. then east along the Township
line common to Township 8 South
and Township 7 South;
3. then north along the range
line common to Range 5 East and
Range 4 East;
4. then west along the Township
line common to Township 6 South
and Township 7 South to the
southwest corner of Section 34,
Township 6 South, Range 4 East;
5. then north along the west
boundaries of Sections 34, 27,
22, 15, 10, and 3, Township 6
South, Range 4 East;
6. then west along the Township
line common to Township 5 South
and Township 6 South;
7. then north along the range
line common to Range 4 East and
Range 3 East;
8. then west along the south
boundaries of Sections 13, 14,
15, 16, 17, and 18, Township 5
South, Range 3 East;
9. then north along the range
line common to Range 2 East and
Range 3 East to the Riverside-
San Bernardino County line and
that portion of Riverside
County which lies to the west
of a line described as follows:
That segment of the
southwestern boundary line of
Hydrologic Unit Number 18100100
within Riverside County,
further described as follows:
10. Beginning at the Riverside-
Imperial County boundary and
running north along the range
line common to Range 17 East
and Range 16 East, San
Bernardino Base and Meridian;
11. then northwest along the
ridge line of the Chuckwalla
Mountains, through Township 8
South, Range 16 East and
Township 7 South, Range 16
East, until the Black Butte
Mountain, elevation 4504 feet;
12. then west and northwest
along the ridge line to the
southwest corner of Township 5
South, Range 14 East;
13. then north along the range
line common to Range 14 East
and Range 13 East;
14. then west and northwest
along the ridge line to
Monument Mountain, elevation
4834 feet;
15. then southwest and then
northwest along the ridge line
of the Little San Bernardino
Mountains to Quail Mountain,
elevation 5814 feet;
16. then northwest along the
ridge line to the Riverside-San
Bernardino County line
San Bernadino County (part)-- 11/15/90 Nonattainment 11/15/90 Severe-17.
that portion of San Bernardino
County which lies north and
east of a line described as
follows:
1. Beginning at the San
Bernardino--Riverside
County boundary and running
north along the range line
common to Range 3 East and
Range 2 East, San
Bernardino Base and
Meridian;
2. then west along the
Township line common to
Township 3 North and
Township 2 North to the San
Bernardino--Los Angeles
County boundary; and that
portion of San Bernardino
County which lies south and
west of a line described as
follows:
3. latitude 35 degrees, 10
minutes north and longitude
115 degrees, 45 minutes
west.Ventura County Area:
Ventura County.................. 11/15/90 Nonattainment 11/15/90 Severe-15.
Yuba City Area:
Sutter County (part--northern (\3\) Nonattainment (\3\) Sec. 185A Area.2.
portion).
North of a line connecting the
northern border of Yolo County
to the SW tip of Yuba County
and continuing along the
southern Yuba County border to
Placer County.
Yuba County..................... (\3\) Nonattainment (\3\) Sec. 185A Area.2.Great Basin Valleys Air Basin....... ......... Unclassifiable/Attainment
Alpine County
Inyo County
Mono CountyLake County Air Basin............... ......... Unclassifiable/Attainment
Lake CountyLake Tahoe Air Basin ......... Unclassifiable/Attainment
El Dorado County (part)
Lake Tahoe Area: As described
under 40 CFR 81.275.
Placer County (part)
Lake Tahoe Area: As described
under 40 CFR 81.275.Mountain Counties Air Basin
(Remainder of):
Amador County................... 11/15/90 Unclassifiable/Attainment 11/15/90
Calaveras County................ 11/15/90 Unclassifiable/Attainment 11/15/90
Mariposa County................. ......... Unclassifiable/Attainment
Nevada County................... ......... Unclassifiable/Attainment
Plumas County................... ......... Unclassifiable/Attainment
Sierra County................... ......... Unclassifiable/Attainment
Tuolumne County................. ......... Unclassifiable/AttainmentNorth Coast Air Basin............... ......... Unclassifiable/Attainment
Del Norte County
Humboldt County
Mendocino County
Sonoma County (part)
Remainder of County
Trinity CountyNortheast Plateau Air Basin......... ......... Unclassifiable/Attainment
Lassen County
Modoc County
Siskiyou CounySacramento Valley Air Basin
(Remainder of):
Colusa County................... ......... Unclassifiable/Attainment
Glenn County.................... ......... Unclassifiable/Attainment
Shasta County................... ......... Unclassifiable/Attainment
Tehama County................... ......... Unclassifiable/AttainmentSouth Central Coast Air Basin
(Remainder of):
Channel Islands................. ......... Unclassifiable/Attainment
San Luis Obispo County.......... ......... Unclassifiable/AttainmentSoutheast Desert NON-AQMA:
Riverside County (part)
Remainder of county............. ......... Unclassifiable/Attainment
San Bernadino County (part)
Remainder of county............. ......... Unclassifiable/Attainment----------------------------------------------------------------------------------------------------------------\1\ This date is October 18, 2000 unless otherwise noted.\2\ An area designated as an ozone nonattainment area as of the date of enactment of the CAAA of the 1990 that
did not violate the ozone NAAQS during the period of 1987-1989.\3\ This date is January 16, 2001.\4\ The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in California. The Monterey Bay,
San Diego, and Santa Barbara-Santa Maria-Lompoc areas are maintenance areas for the 1-hour NAAQS for purposes
of 40 CFR part 51 subpart X.\5\ Excludes Morongo Band of Mission Indians' Indian country in Riverside County.\6\ Includes Indian country of the tribe listed in this table. Information pertaining to areas of Indian country
in this table is intended for CAA planning purposes only and is not an EPA determination of Indian country
status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is
making no determination of Indian country boundaries, in this table.
California--PM-10----------------------------------------------------------------------------------------------------------------
Designation Classification
Designated Area ---------------------------------------------------------------------------
Date Type Date Type----------------------------------------------------------------------------------------------------------------Inyo County.........................
Coso Junction planning area....... October Attainment
4, 2010
That portion of Inyo County
contained within Hydrologic Unit
#18090205.
Owens Valley planning area........ 11/15/90 Nonattainment 02/08/93 Serious
Hydrologic Unit #18090103Sacramento County................... 10/28/ Attainment.
2013San Bernardino County:..............
San Bernardino (part):............
Excluding that portion located 1/20/94 Nonattainment 1/20/94 Moderate.
in the Trona planning area and
excluding that portion located
in the South Coast Air Basin.
Trona planning area: That 9/5/02 Nonattainment 9/5/02 Moderate
portion of San Bernardino
County contained within
Hydrologic Unit #18090285.Mono County
Mammoth Lake planning area........ 11/15/90 Nonattainment 11/15/90 Moderate
Includes the following sections:
a. Sections 1-12, 17, and 18
of Township T4S, R28E;
b. Sections 25-36 of Township
T3S, R28E;
c. Sections 25-36 of Township
T3S, R27E;
d. Sections 1-18 of Township
T4S, R27E; and
e. Sections 25 and 36 of
Township T3S, R26E
Mono Basin........................
Hydrologic Unit 1809010 12/29/93 Nonattainment 12/29/93 ModerateFresno, Kern, Kings, Madera, Merced,
San Joaquin, Stanislaus, Tulare
Counties:
Indian Wells Valley planning 6/6/03 Attainment
area: That portion of Kern
County contained within
Hydrologic Unit #18090205.
San Joaquin Valley Air Basin; 12/12/08 Attainment
Fresno County, Kings County,
Madera County, Merced County,
San Joaquin County, Stanislaus
County, Tulare County, and that
portion of Kern County which
lies west and north of a line
described as follows: Beginning
at the Kern-Los Angeles County
boundary and running north and
east along the northwest
boundary of the Rancho La Libre
Land Grant to the point of
intersection with the range
line common to R. 16 W. and R.
17 W., San Bernardino Base and
Meridian; north along the range
line to the point of
intersection with the Rancho El
Tejon Land Grant boundary; then
southeast, northeast, and
northwest along the boundary of
the Rancho El Tejon Land Grant
to the northwest corner of S.
3, T. 11 N., R. 17 W.; then
west 1.2 miles; then north to
the Rancho El Tejon Land Grant
boundary; then northwest along
the Rancho El Tejon line to the
southeast corner of S. 34, T.
32 S., R. 30 E., Mount Diablo
Base and Meridian; then north
to the northwest corner of S.
35, T. 31 S., R. 30 E.; then
northeast along the boundary of
the Rancho El Tejon Land Grant
to the southwest corner of S.
18, T. 31 S., R. 31 E.; then
east to the southeast corner of
S. 13, T. 31 S., R. 31 E.; then
north along the range line
common to R. 31 E. and R. 32
E., Mount Diablo Base and
Meridian, to the northwest
corner of S. 6, T. 29 S., R. 32
E.; then east to the southwest
corner of S. 31, T. 28 S., R.
32 E.; then north along the
range line common to R. 31 E.
and R. 32 E. to the northwest
corner of S. 6, T. 28 S., R. 32
E., then west to the southeast
corner of S. 36, T. 27 S., R.
31 E., then north along the
range line common to R. 31 E.
and R. 32 E. to the Kern-Tulare
County boundary.
East Kern: That portion of Kern 11/15/90 Nonattainment 02/08/93 Serious.
County which lies between the
following two lines (with the
exception of that portion in
Hydrologic Unit Number
18090205--the Indian Wells
Valley):
(1) West and north of a line
described as follows:
Beginning at the southwest
corner of section 31, T. 10
N 16 W and running east to
the northwest boundary of
the Rancho La Liebre Land
Grant; then running north
and east along the
northwest boundary of the
Rancho La Liebre Land Grant
to the point of
intersection with the range
line common to R. 15 W. and
R. 16 W., San Bernardino
Base and Meridian; then
north along the range line
to the northwest corner of
section 2, T. 32 S., R. 32
E., Mount Diablo Base and
Meridian; then east along
the township line common to
T. 32 S. and T. 31 S.; then
north along the range line
common to R. 35 E. and R.
34 E.; then east along the
township line common to T.
29 S. and T. 28 S.; then
north along the range line
common to R. 36 E. and R.
35 E.; then east along the
township line common to T.
28 S. and T. 27 S.; then
north along the range line
common to R. 37 E. and R.
36 E. to the Kern-Tulare
County boundary.
(2) East and south of a line
of a line described as
follows: Beginning at the
southwest corner of section
31, T. 10 N 16 W and
running north along the
range line common to R. 16
W. and R. 17 W., San
Bernardino Base and
Meridian; north along the
range line to the point of
intersection with the
Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest
along the boundary of the
Rancho El Tejon Land Grant
to the northwest corner of
S. 3, T. 11 N., R. 17 W.;
then west 1.2 miles; then
north to the Rancho El
Tejon Land Grant boundary;
then northwest along the
Rancho El Tejon line to the
southeast corner of S. 34,
T. 32 S., R. 30 E., Mount
Diablo Base and Meridian;
then north to the northwest
corner of S. 35, T. 31 S.,
R. 30 E.; then northeast
along the boundary of the
Rancho El Tejon Land Grant
to the southwest corner of
S. 18, T. 31 S., R. 31 E.;
then east to the southeast
corner of S. 13, T. 31 S.,
R. 31 E.; then north along
the range line common to R.
31 E. and R. 32 E., Mount
Diablo Base and Meridian,
to the northwest corner of
S. 6, T. 29 S., R. 32 E.;
then east to the southwest
corner of S. 31, T. 28 S.,
R. 32 E.; then north along
the range line common to R.
31 E. and R. 32 E. to the
northwest corner of S. 6,
T. 28 S., R. 32 E., then
west to the southeast
corner of S. 36, T. 27 S.,
R. 31 E., then north along
the range line common to R.
31 E. and R. 32 E. to the
Kern-Tulare County boundary.Riverside, Los Angeles, Orange, and
San Bernardino Counties
South Coast Air Basin............. 7/26/13 Attainment .........Riverside County
Coachella Valley planning area.... 11/15/90 Nonattainment 02/08/93 Serious.Imperial County 11/15/90 Nonattainment 9/10/04 SeriousImperial Valley planning area: That
portion of Imperial County that is
defined as follows:Commencing at the southwest corner
of Imperial County and extending
north along the Imperial-San Diego
County line to the northwest corner
of Imperial County; then east along
the Imperial-Riverside County line
to the point of intersection of the
eastern boundary line of Hydrologic
Unit #18100200; then southeasterly
along the eastern boundary line of
Hydrologic Unit #18100200 to the
Imperial County-Mexico Border; then
west along the Imperial County-
Mexico Border to the point of the
beginning.----------------------------------------------------------------------------------------------------------------
California--1997 Annual PM2.5 NAAQS
[Primary and secondary]----------------------------------------------------------------------------------------------------------------
Designation \a\ Classification
Designated area ----------------------------------------------------------------------------
Date \1\ Type Date \2\ Type----------------------------------------------------------------------------------------------------------------Los Angeles-South Coast Air Basin,
CA:
Los Angeles County (part)...... .............. Nonattainment....... .............. Moderate
That portion of Los Angeles
County which lies south
and west of a line
described as follows:
Beginning at the Los
Angeles-San Bernardino
County boundary and
running west along the
Township line common to
Township 3 North and
Township 2 North, San
Bernardino Base and
Meridian; then north along
the range line common to
Range 8 West and Range 9
West; then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range line
common to Range 12 West
and Range 13 West to the
southeast corner of
Section 12, Township 5
North and Range 13 West;
then west along the south
boundaries of Sections 12,
11, 10, 9, 8, and 7,
Township 5 North and Range
13 West to the boundary of
the Angeles National
Forest which is collinear
with the range line common
to Range 13 West and Range
14 West; then north and
west along the Angeles
National Forest boundary
to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
then west along the
Township line common to
Township 7 North and
Township 6 North; then
north along the range line
common to Range 15 West
and Range 16 West to the
southeast corner of
Section 13, Township 7
North and Range 16 West;
then along the south
boundaries of Sections 13,
14, 15, 16, 17, and 18,
Township 7 North and Range
16 West; then north along
the range line common to
Range 16 West and Range 17
West to the north boundary
of the Angeles National
Forest (collinear with the
Township line common to
Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the
south boundary of the
Rancho La Liebre Land
Grant; then west and north
along this land grant
boundary to the Los
Angeles-Kern County
boundary.
Orange County.................. .............. Nonattainment....... .............. Moderate.
Riverside County (part)........ .............. Nonattainment....... .............. Moderate.
That portion of Riverside
County which lies to the
west of a line described
as follows: Beginning at
the Riverside-San Diego
County boundary and
running north along the
range line common to Range
4 East and Range 3 East,
San Bernardino Base and
Meridian; then east along
the Township line common
to Township 8 South and
Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the Township line
common to Township 6 South
and Township 7 South to
the southwest corner of
Section 34, Township 6
South, Range 4 East; then
north along the west
boundaries of Sections 34,
27, 22, 15, 10, and 3,
Township 6 South, Range 4
East; then west along the
Township line common to
Township 5 South and
Township 6 South; then
north along the range line
common to Range 4 East and
Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15,
16, 17, and 18, Township 5
South, Range 3 East; then
north along the range line
common to Range 2 East and
Range 3 East; to the
Riverside-San Bernardino
County line.
San Bernardino County (part)... .............. Nonattainment....... .............. Moderate.
That portion of San
Bernardino County which
lies south and west of a
line described as follows:
Beginning at the San
Bernardino-Riverside
County boundary and
running north along the
range line common to Range
3 East and Range 2 East,
San Bernardino Base and
Meridian; then west along
the Township line common
to Township 3 North and
Township 2 North to the
San Bernardino-Los Angeles
County boundary.San Diego, CA:
San Diego County............... .............. Unclassifiable/
Attainment.San Joaquin Valley, CA:
Fresno County.................. .............. Nonattainment....... May 7, 2015 Serious.
Kern County (part)............. .............. Nonattainment....... May 7, 2015 Serious.
That portion of Kern County
which lies west and north
of a line described as
follows: Beginning at the
Kern-Los Angeles County
boundary and running north
and east along the
northwest boundary of the
Rancho La Libre Land Grant
to the point of
intersection with the
range line common to R. 16
W. and R. 17 W., San
Bernardino Base and
Meridian; north along the
range line to the point of
intersection with the
Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest
along the boundary of the
Rancho El Tejon Land Grant
to the northwest corner of
S. 3, T. 11 N., R. 17 W.;
then west 1.2 miles; then
north to the Rancho El
Tejon Land Grant boundary;
then northwest along the
Rancho El Tejon line to
the southeast corner of S.
34, T. 32 S., R. 30 E.,
Mount Diablo Base and
Meridian; then north to
the northwest corner of S.
35, T. 31 S., R. 30 E.;
then northeast along the
boundary of the Rancho El
Tejon Land Grant to the
southwest corner of S. 18,
T. 31 S., R. 31 E.; then
east to the southeast
corner of S. 13, T. 31 S.,
R. 31 E.; then north along
the range line common to
R. 31 E. and R. 32 E.,
Mount Diablo Base and
Meridian, to the northwest
corner of S. 6, T. 29 S.,
R. 32 E.; then east to the
southwest corner of S. 31,
T. 28 S., R. 32 E.; then
north along the range line
common to R. 31 E. and R.
32 E. to the northwest
corner of S. 6, T. 28 S.,
R. 32 E., then west to the
southeast corner of S. 36,
T. 27 S., R. 31 E., then
north along the range line
common to R. 31 E. and R.
32 E. to the Kern-Tulare
County boundary.
Kings County................... .............. Nonattainment....... May 7, 2015 Serious.
Madera County.................. .............. Nonattainment....... May 7, 2015 Serious.
Merced County.................. .............. Nonattainment....... May 7, 2015 Serious.
San Joaquin County............. .............. Nonattainment....... May 7, 2015 Serious.
Stanislaus County.............. .............. Nonattainment....... May 7, 2015 Serious.
Tulare County.................. .............. Nonattainment....... May 7, 2015 Serious..North Coast Air Basin:
Del Norte County............... .............. Unclassifiable/
Attainment.
Humboldt County................ .............. Unclassifiable/
Attainment.
Mendocino County............... .............. Unclassifiable/
Attainment.
Sonoma County (part)........... .............. Unclassifiable/
Attainment.
That portion of Sonoma
county which lies north
and west of a line
described as follows:
Beginning at the south-
easterly corner of the
Rancho Estero Americano,
being on the boundary line
between Marin and Sonoma
Counties, California;
thence running northerly
along the easterly
boundary line of said
Rancho Estero Americano to
the northeasterly corner
thereof, being an angle
corner in the westerly
boundary line of Rancho
Canada de Jonive, thence
running along said
boundary of Rancho Canada
de Jonive westerly;
northerly and easterly to
its intersection with the
easterly line of Graton
Road; thence running along
the easterly and southerly
line of Graton Road
northerly and easterly to
its intersection with the
easterly line of Sullivan
Road; thence running
northerly along said
easterly line of Sullivan
Road to the southerly line
of Green Valley Road;
thence running easterly
along the said southerly
line of Green Valley Road
and easterly along the
southerly line of State
Highway 116, to the
westerly and northerly
line of Vine Hill Road;
thence running along the
westerly and northerly
line of Vine Hill Road,
northerly and easterly to
its intersection with the
westerly line of Laguna
Road; thence running
northerly along the
westerly line of Laguna
Road and the northerly
projection thereof to the
northerly line of Trenton
Road; thence running
westerly along the
northerly line of said
Trenton Road to the
easterly line of Trenton-
Healdsburg Road to the
easterly line of Eastside
Road: thence running
northerly along said
easterly line of Eastside
Road to its intersection
with the southerly line of
Rancho Sotoyome; thence
running easterly along
said southerly line of
Rancho Sotoyome to its
intersection with the
Township line common to
Townships 8 and 9 north,
Mt. Diablo Base and
Meridian; thence running
easterly along said
Township line to its
intersection with the
boundary line between
Sonoma and Napa Counties,
State of California.
Trinity County................. 3/7/11 Unclassifiable/
Attainment.Northeast Plateau Air Basin:
Lassen County.................. 3/7/11 Unclassifiable/
Attainment.
Modoc County................... 3/7/11 Unclassifiable/
Attainment.
Siskiyou County................ 3/7/11 Unclassifiable/
Attainment.Lake County Air Basin:
Lake County.................... .............. Unclassifiable/
Attainment.Upper Sacramento Valley Region:
Butte County (remainder)....... 3/7/11 Unclassifiable/
Attainment.
Colusa County.................. .............. Unclassifiable/
Attainment.
Glenn County................... .............. Unclassifiable/
Attainment.
Shasta County.................. 3/7/11 Unclassifiable/
Attainment.
Sutter County (part)........... .............. Unclassifiable/
Attainment.
Tehama County.................. 3/7/11 Unclassifiable/
Attainment.
Yuba County (remainder)........ 3/7/11 Unclassifiable/
Attainment.Sacramento Metropolitan Region:
El Dorado County (part)........ .............. Unclassifiable/
Attainment.
All portions of the county
except that portion of El
Dorado County within the
drainage area naturally
tributary to Lake Tahoe
including said Lake.
Placer County (part)........... .............. Unclassifiable/
Attainment.
All portions of the county
except that portion of
Placer County within the
drainage area naturally
tributary to Lake Tahoe
including said Lake, plus
that area in the vicinity
of the head of the Truckee
River described as
follows: Commencing at the
point common to the
aforementioned drainage
area crestline and the
line common to Townships
15 North and 16 North,
Mount Diablo Base and
Meridian, and following
that line in a westerly
direction to the northwest
corner of Section 3,
Township 15 North, Range
16 East, Mount Diablo Base
and Meridian, thence south
along the west line of
Sections 3 and 10,
Township 15 North, Range
16 East, Mount Diablo Base
and Meridian, to the
intersection with the said
drainage area crestline,
thence following the said
drainage area boundary in
a southeasterly, then
northeasterly direction to
and along the Lake Tahoe
Dam, thence following the
said drainage area
crestline in a
northeasterly, then
northwesterly direction to
the point of beginning.
Sacramento County.............. .............. Unclassifiable/
Attainment.
Solano County (part)........... .............. Unclassifiable/
Attainment.
That portion of Solano
County which lies north
and east of a line
described as follows:
Beginning at the
intersection of the
westerly boundary of
Solano County and the 1/4
section line running east
and west through the
center of Section 34;
Township 6 North, Range 2
West, Mount Diablo Base
and Meridian, thence east
along said 1/4 section
line to the east boundary
of Section 36, Township 6
North, Range 2 West,
thence south 1/2 mile and
east 2.0 miles, more or
less, along the west and
south boundary of Los
Putos Rancho to the
northwest corner of
Section 4, Township 5
North, Range 1 West,
thence east along a line
common to Township 5 North
and Township 6 North to
the northeast corner of
Section 3, Township 5
North, Range 1 East,
thence south along section
lines to the southeast
corner of Section 10,
Township 3 North, Range 1
East, thence east along
section lines to the south
1/4 corner of Section 8,
Township 3 North, Range 2
East, thence east to the
boundary between Solano
and Sacramento Counties.
Sutter County (part)........... .............. Unclassifiable/
Attainment.
That portion south of a
line connecting the
northern border of Yolo
County to the southwest
tip of Yuba County and
continuing along the
southern Yuba County
border to Placer County.
Yolo County.................... .............. Unclassifiable/
Attainment.Northern Mountain Counties:
Nevada County.................. .............. Unclassifiable/
Attainment..
Plumas County.................. 3/7/11 Unclassifiable/
Attainment.
Sierra County.................. 3/7/11 Unclassifiable/
Attainment.Central Mountain Counties:
Amador County.................. .............. Unclassifiable/
Attainment.
Calaveras County............... .............. Unclassifiable/
Attainment.Southern Mountain Counties:
Mariposa County................ .............. Unclassifiable/
Attainment.
Tuolumne County................ .............. Unclassifiable/
Attainment.Lake Tahoe Air Basin:
El Dorado County (part)........ .............. Unclassifiable/
Attainment.
That portion of El Dorado
County within the drainage
area naturally tributary
to Lake Tahoe including
said Lake..
Placer County (part)........... .............. Unclassifiable/
Attainment.
That portion of Placer
County within the drainage
area naturally tributary
to Lake Tahoe including
said Lake, plus that area
in the vicinity of the
head of the Truckee River
described as follows:
commencing at the point
common to the
aforementioned drainage
area crestline and the
line common to Townships
15 North and 16 North,
Mount Diablo Base and
Meridian, and following
that line in a westerly
direction to the northwest
corner of Section 3,
Township 15 North, Range
16 East, Mount Diablo Base
and Meridian, thence south
along the west line of
Sections 3 and 10,
Township 15 North, Range
16 East, Mount Diablo Base
and Meridian, to the
intersection with the said
drainage area crestline,
thence following the said
drainage area boundary in
a southeasterly, then
northeasterly direction to
and along the Lake Tahoe
Dam, thence following the
said drainage area
crestline in a
northeasterly, then
northwesterly direction to
the point of beginning.San Francisco Bay Area Air Basin:
Alameda County................. .............. Unclassifiable/
Attainment.
Contra Costa County............ .............. Unclassifiable/
Attainment.
Marin County................... .............. Unclassifiable/
Attainment.
Napa County.................... .............. Unclassifiable/
Attainment.
San Francisco County........... .............. Unclassifiable/
Attainment.
San Mateo County............... .............. Unclassifiable/
Attainment.
Santa Clara County............. .............. Unclassifiable/
Attainment.
Solano County (part)........... .............. Unclassifiable/
Attainment.
Portion of Solano County
which lies south and west
of a line described as
follows: Beginning at the
intersection of the
westerly boundary of
Solano County and the 1/4
section line running east
and west through the
center of Section 34, T6N,
R2W, M.D.B. & M., thence
east along said 1/4
section line to the east
boundary of Section 36,
T6N, R2W, thence south 1/2
mile and east 2.0 miles,
more or less, along the
west and south boundary of
Los Putos Rancho to the
northwest corner of
Section 4, T5N, R1W,
thence east along a line
common to T5N and T6N to
the northeast corner of
Section 3, T5N, R1E,
thence south along section
lines to the southeast
corner of Section 10, T3N,
R1E, thence east along
section lines to the south
1/4 corner of Section 8,
T3N, R2E, thence east to
the boundary between
Solano and Sacramento
Counties.
Sonoma County (part)........... .............. Unclassifiable/
Attainment..
That portion of Sonoma
County which lies south
and east of a line
described as follows:
Beginning at the
southeasterly corner of
the Rancho Estero
Americano, being on the
boundary line between
Marin and Sonoma Counties,
California; thence running
northerly along the
easterly boundary line of
said Rancho Estero
Americano to the
northeasterly corner
thereof, being an angle
corner in the westerly
boundary line of Rancho
Canada de Jonive; thence
running along said
boundary of Rancho Canada
de Jonive westerly,
northerly and easterly to
its intersection with the
easterly line of Graton
Road; thence running along
the easterly and southerly
line of Graton Road,
northerly and easterly to
its intersection with the
easterly line of Sullivan
Road; thence running
northerly along said
easterly line of Sullivan
Road to the southerly line
of Green Valley Road;
thence running easterly
along the said southerly
line of Green Valley Road
and easterly along the
southerly line of State
Highway 116, to the
westerly line of Vine Hill
Road; thence running along
the westerly and northerly
line of Vine Hill Road,
northerly and easterly to
its intersection with the
westerly line of Laguna
Road; thence running
northerly along the
westerly line of Laguna
Road and the northerly
projection thereof to the
northerly line of Trenton
Road; thence running
westerly along the
northerly line of said
Trenton Road to the
easterly line of Trenton-
Healdsburg Road; thence
running northerly along
said easterly line of
Trenton-Healdsburg Road to
the easterly line of
Eastside Road; thence
running northerly along
said easterly line of
Eastside Road to its
intersection with the
southerly line of Rancho
Sotoyome; thence running
easterly along said
southerly line of Rancho
Sotoyome to its
intersection with the
Township line common to
Townships 8 and 9 North,
M.D.M.; thence running
easterly along said
township line to its
intersection with the
boundary line between
Sonoma and Napa Counties.North Central Coast Air Basin:
Monterey County................ .............. Unclassifiable/
Attainment.
San Benito County.............. .............. Unclassifiable/
Attainment.
Santa Cruz County.............. .............. Unclassifiable/
Attainment.San Luis Obispo County:
San Luis Obispo County......... .............. Unclassifiable/
Attainment.Santa Barbara County:
Santa Barbara County (part).... .............. Unclassifiable/
Attainment.
Excluding San Miguel, Santa
Rosa, Santa Cruz, and
Santa Barbara Islands
Santa Barbara County (part).... .............. Unclassifiable/
Attainment.
San Miguel, Santa Rosa,
Santa Cruz, and Santa
Barbara Islands.Ventura County:
Ventura County (part).......... .............. Unclassifiable/
Attainment.
Excluding Anacapa and San
Nicolas Islands.
Ventura County (part).......... .............. Unclassifiable/
Attainment.
Anacapa and San Nicolas
Islands.Great Basin Valleys Air Basin:
Alpine County.................. .............. Unclassifiable/
Attainment.
Inyo County (part)............. .............. Unclassifiable/
Attainment.
That portion of Inyo County
that lies outside
Hydrologic Unit Number
18090205.
Mono County.................... .............. Unclassifiable/
Attainment.Coso Junction:
Inyo County (part)............. .............. Unclassifiable/
Attainment.
That portion of Inyo County
that lies inside
Hydrologic Unit Number
18090205.
Eastern Kern County:
Kern County (part)............. .............. Unclassifiable/
Attainment.
That portion of Kern County
(with the exception of
that portion in Hydrologic
Unit Number 18090205--the
Indian Wells Valley) east
and south of a line
described as follows:
Beginning at the Kern--Los
Angeles County boundary
and running north and east
along the northwest
boundary of the Rancho La
Liebre Land Grant to the
point of intersection with
the range line common to
Range 16 West and Range 17
West, San Bernardino Base
and Meridian; north along
the range line to the
point of intersection with
the Rancho El Tejon Land
Grant boundary; then
southeast, northeast, and
northwest along the
boundary of the Rancho El
Tejon Grant to the
northwest corner of
Section 3, Township 11
North, Range 17 West; then
west 1.2 miles; then north
to the Rancho El Tejon
Land Grant boundary; then
northwest along the Rancho
El Tejon line to the
southeast corner of
Section 34, Township 32
South, Range 30 East,
Mount Diablo Base and
Meridian; then north to
the northwest corner of
Section 35, Township 31
South, Range 30 East; then
northeast along the
boundary of the Rancho El
Tejon Land Grant to the
southwest corner of
Section 18, Township 31
South, Range 31 East; then
east to the southeast
corner of Section 13,
Township 31 South, Range
31 East; then north along
the range line common to
Range 31 East and Range 32
East, Mount Diablo Base
and Meridian, to the
northwest corner of
Section 6, Township 29
South, Range 32 East; then
east to the southwest
corner of Section 31,
Township 28 South, Range
32 East; then north along
the range line common to
Range 31 East and Range 32
East to the northwest
corner of Section 6,
Township 28 South, Range
32 East, then west to the
southeast corner of
Section 36, Township 27
South, Range 31 East, then
north along the range line
common to Range 31 East
and Range 32 East to the
Kern-Tulare County
boundaryIndian Wells Valley:
Kern County (part)............. .............. Unclassifiable/
Attainment.
That portion of Kern County
that lies inside
Hydrologic Unit Number
18090205.Western Mojave Desert and Antelope
Valley:
Los Angeles County (part)...... .............. Unclassifiable/
Attainment.
That portion of Los Angeles
County which lies north
and east of a line
described as follows:
Beginning at the Los
Angeles--San Bernardino
County boundary and
running west along the
Township line common to
Township 3 North and
Township 2 North, San
Bernardino Base and
Meridian; then north along
the range line common to
Range 8 West and Range 9
West; then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range line
common to Range 12 West
and Range 13 West to the
southeast corner of
Section 12, Township 5
North and Range 13 West;
then west along the south
boundaries of Sections 12,
11, 10, 9, 8, and 7,
Township 5 North and Range
13 West to the boundary of
the Angeles National
Forest which is collinear
with the range line common
to Range 13 West and Range
14 West; then north and
west along the Angeles
National Forest boundary
to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
then west along the
Township line common to
Township 7 North and
Township 6 North; then
north along the range line
common to Range 15 West
and Range 16 West to the
southeast corner of
Section 13, Township 7
North and Range 16 West;
then along the south
boundaries of Sections 13,
14, 15, 16, 17, and 18,
Township 7 North and Range
16 West; then north along
the range line common to
Range 16 West and Range 17
West to the north boundary
of the Angeles National
Forest (collinear with the
Township line common to
Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the
south boundary of the
Rancho La Liebre Land
Grant; then west and north
along this land grant
boundary to the Los
Angeles-Kern County
boundary.Trona:
San Bernardino County (part)... .............. Unclassifiable/
Attainment.
That portion of San
Bernardino County that
lies inside Hydrologic
Unit Number 18090205.Coachella Valley:
Riverside County (part)........ .............. Unclassifiable/
Attainment.
That portion of Riverside
County which lies to the
east of a line described
as follows: Beginning at
the Riverside--San Diego
County boundary and
running north along the
range line common to Range
4 East and Range 3 East,
San Bernardino Base and
Meridian; then east along
the Township line common
to Township 8 South and
Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the Township line
common to Township 6 South
and Township 7 South to
the southwest corner of
Section 34, Township 6
South, Range 4 East; then
north along the west
boundaries of Sections 34,
27, 22, 15, 10, and 3,
Township 6 South, Range 4
East; then west along the
Township line common to
Township 5 South and
Township 6 South; then
north along the range line
common to Range 4 East and
Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15,
16, 17, and 18, Township 5
South, Range 3 East; then
north along the range line
common to Range 2 East and
Range 3 East;, to the
Riverside-San Bernardino
County line: And that
portion of Riverside
County which lies to the
west of a line described
as follows: That segment
of the southwestern
boundary line of
Hydrologic Unit Number
18100100 within Riverside
County, further described
as follows: Beginning at
the Riverside-Imperial
County boundary and
running north along the
range line common to Range
17 East and Range 16 East,
San Bernardino Base and
Meridian; then northwest
along the ridge line of
the Chuckwalla Mountains,
through Township 8 South,
Range 16 East and Township
7 South, Range 16 East,
until the Black Butte
Mountain, elevation 4504';
then west and northwest
along the ridge line to
the southwest corner of
Township 5 South, Range 14
East; then north along the
range line common to Range
14 East and Range 13 East;
then west and northwest
along the ridge line to
Monument Mountain,
elevation 4834'; then
southwest and then
northwest along the ridge
line of the Little San
Bernardino Mountains to
Quail Mountain, elev.
5814'; then northwest
along the ridge line to
the Riverside-San
Bernardino County line.Far Eastern Riverside and San
Bernardino Counties:
San Bernardino County .............. Unclassifiable/
(remainder). Attainment.
Riverside County (remainder)... .............. Unclassifiable/
Attainment..Imperial County:
Imperial County................ .............. Unclassifiable/
Attainment..----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ This date is 90 days after January 5, 2005, unless otherwise noted.\2\ This date is July 2, 2014, unless otherwise noted.
California--2012 Annual PM2.5 NAAQS
[Primary]--------------------------------------------------------------------------------------------------------------------------------------------------------
Designation Classification
Designated area \1\ ---------------------------------------------------------------------------------------------------------------
Date \2\ Type Date \2\ Type--------------------------------------------------------------------------------------------------------------------------------------------------------Los Angeles-South Coast Air Basin, CA:
Los Angeles County (part)........... ........... Nonattainment............................ ........... Moderate.
That portion of Los Angeles
County which lies south and
west of a line described as
follows: Beginning at the Los
Angeles-San Bernardino County
boundary and running west along
the Township line common to
Township 3 North and Township 2
North, San Bernardino Base and
Meridian; then north along the
range line common to Range 8
West and Range 9 West; then
west along the Township line
common to Township 4 North and
Township 3 North; then north
along the range line common to
Range 12 West and Range 13 West
to the southeast corner of
Section 12, Township 5 North
and Range 13 West; then west
along the south boundaries of
Sections 12, 11, 10, 9, 8, and
7, Township 5 North and Range
13 West to the boundary of the
Angeles National Forest which
is collinear with the range
line common to Range 13 West
and Range 14 West; then north
and west along the Angeles
National Forest boundary to the
point of intersection with the
Township line common to
Township 7 North and Township 6
North (point is at the
northwest corner of Section 4
in Township 6 North and Range
14 West); then west along the
Township line common to
Township 7 North and Township 6
North; then north along the
range line common to Range 15
West and Range 16 West to the
southeast corner of Section 13,
Township 7 North and Range 16
West; then along the south
boundaries of Sections 13, 14,
15, 16, 17, and 18, Township 7
North and Range 16 West; then
north along the range line
common to Range 16 West and
Range 17 West to the north
boundary of the Angeles
National Forest (collinear with
the Township line common to
Township 8 North and Township 7
North); then west and north
along the Angeles National
Forest boundary to the point of
intersection with the south
boundary of the Rancho La
Liebre Land Grant; then west
and north along this land grant
boundary to the Los Angeles-
Kern County boundary.
Orange County....................... ........... Nonattainment............................ ........... Moderate.
Riverside County (part)............. ........... Nonattainment............................ ........... Moderate.
That portion of Riverside County
which lies to the west of a
line described as follows:
Beginning at the Riverside-San
Diego County boundary and
running north along the range
line common to Range 4 East and
Range 3 East, San Bernardino
Base and Meridian; then east
along the Township line common
to Township 8 South and
Township 7 South; then north
along the range line common to
Range 5 East and Range 4 East;
then west along the Township
line common to Township 6 South
and Township 7 South to the
southwest corner of Section 34,
Township 6 South, Range 4 East;
then north along the west
boundaries of Sections 34, 27,
22, 15, 10, and 3, Township 6
South, Range 4 East; then west
along the Township line common
to Township 5 South and
Township 6 South; then north
along the range line common to
Range 4 East and Range 3 East;
then west along the south
boundaries of Sections 13, 14,
15, 16, 17, and 18, Township 5
South, Range 3 East; then north
along the range line common to
Range 2 East and Range 3 East;
to the Riverside-San Bernardino
County Line (excluding the
lands of the Santa Rosa Band of
Cahuilla Mission Indians, and
excluding the lands of the
Pechanga Band of Luise[ntilde]o
Mission Indians of the Pechanga
Reservation).
San Bernardino County (part)........ ........... Nonattainment............................ ........... Moderate.
That portion of San Bernardino
County which lies south and
west of a line described as
follows: Beginning at the San
Bernardino-Riverside County
boundary and running north
along the range line common to
Range 3 East and Range 2 East,
San Bernardino Base and
Meridian; then west along the
Township line common to
Township 3 North and Township 2
North to the San Bernardino-Los
Angeles County boundary.Imperial County, CA:
Imperial County (part).............. ........... Nonattainment............................ ........... Moderate.
That portion of Imperial County
which lies within the line
described as follows: (San
Bernardino Base and Meridian)
Beginning at the intersection
of the United States-Mexico
border and the southeast corner
of Township 17 South, Range 11
East, then north along the
range line of the eastern edge
of Range 11 East, then east
along the township line of the
southern edge of Township 12
South to the northeast corner
of Township 13 South, Range 15
East, then south along the
range line common to Range 15
East and Range 16 East, to the
United States-Mexico border.San Joaquin Valley, CA:
Fresno County....................... ........... Nonattainment............................ ........... Moderate.
Kern County (part).................. ........... Nonattainment............................ ........... Moderate.
That portion of Kern County
which lies west and north of a
line described as follows:
Beginning at the Kern-Los
Angeles County boundary and
running north and east along
the northwest boundary of the
Rancho La Libre Land Grant to
the point of intersection with
the range line common to Range
16 West and Range 17 West, San
Bernardino Base and Meridian;
north along the range line to
the point of intersection with
the Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest along
the boundary of the Rancho El
Tejon Land Grant to the
northwest corner of Section 3,
Township 11 North, Range 17
West; then west 1.2 miles; then
north to the Rancho El Tejon
Land Grant boundary; then
northwest along the Rancho El
Tejon Land Grant boundary line
to the southeast corner of
Section 34, Township 32 South,
Range 30 East, Mount Diablo
Base and Meridian; then north
to the northwest corner of
Section 35, Township 31 South,
Range 30 East; then northeast
along the boundary of the
Rancho El Tejon Land Grant to
the southwest corner of Section
18, Township 31 South, Range 31
East; then east to the
southeast corner of Section 13,
Township 31 South, Range 31
East; then north along the
range line common to Range 31
East and Range 32 East, Mount
Diablo Base and Meridian, to
the northwest corner of Section
6, Township 29 South, Range 32
East; then east to the
southwest corner of Section 31,
Township 28 South, Range 32
East; then north along the
range line common to Range 31
East and Range 32 East to the
northwest corner of Section 6,
Township 28 South, Range 32
East, then west to the
southeast corner of Section 36,
Township 27 South, Range 31
East, then north along the
range line common to Range 31
East and Range 32 East to the
Kern-Tulare County boundary.
Kings County........................ ........... Nonattainment............................ ........... Moderate.
Madera County....................... ........... Nonattainment............................ ........... Moderate.
Merced County....................... ........... Nonattainment............................ ........... Moderate.
San Joaquin County.................. ........... Nonattainment............................ ........... Moderate.
Stanislaus County................... ........... Nonattainment............................ ........... Moderate.
Tulare County....................... ........... Nonattainment............................ ........... Moderate.Plumas County, CA:
Plumas County (part)................ ........... Nonattainment............................ ........... Moderate.
That portion of Plumas County
within the following Super
Planning Watersheds (SPWS), as
defined by the State of
California's Department of
Conservation Statewide
Watershed Program: Humbug
Valley (#55183301), Sulpher
Creek (#55183302), Frazier
Creek (#55183303), and Eureka
Lake (#55183304).San Diego Air Basin, CA:
San Diego County (excluding the ........... Unclassifiable/Attainment................
lands of the Pechanga Band of
Luise[ntilde]o Mission Indians of
the Pechanga Reservation).North Coast Air Basin:
Del Norte County.................... ........... Unclassifiable/Attainment................
Humboldt County..................... ........... Unclassifiable/Attainment................
Mendocino County.................... ........... Unclassifiable/Attainment................
Sonoma County (part)................ ........... Unclassifiable/Attainment................
That portion of Sonoma County
which lies north and west of a
line described as follows:
Beginning at the southeast
corner of the Rancho Estero
Americano Land Grant on the
boundary line between Marin and
Sonoma Counties; then running
north along the east boundary
line of Rancho Estero Americano
Land Grant to the northeast
corner thereof, being an angle
corner in the westerly boundary
line of the Rancho Canada de
Jonive Land Grant, then running
along the boundary of the
Rancho Canada de Jonive Land
Grant west, north and east to
its intersection with the
eastern line of Graton Road;
then running along the east and
south line of Graton Road north
and east to its intersection
with the east line of Sullivan
Road; then running north along
the east line of Sullivan Road
to the southern line of Green
Valley Road; then running east
along the southern line of
Green Valley Road and east
along the southern line of
State Highway 116, to the west
and north line of Vine Hill
Road; then running along the
west and north line of Vine
Hill Road, north and east to
its intersection with the west
line of Laguna Road; then
running north along the west
line of Laguna Road and the
north projection thereof to the
north line of Trenton Road;
then running west along the
north line of Trenton Road to
the east line of Trenton-
Healdsburg Road to the east
line of Eastside Road; then
running north along the east
line of Eastside Road to its
intersection with the southern
line of Rancho Sotoyome Land
Grant; then running east along
the southern line of Rancho
Sotoyome Land Grant to its
intersection with the Township
line common to Townships 8 and
9 North, Mount Diablo Base and
Meridian; then running east
along the township line to its
intersection with the boundary
line between Sonoma and Napa
Counties.
Trinity County...................... ........... Unclassifiable/Attainment................Northeast Plateau Air Basin, CA:
Lassen County....................... ........... Unclassifiable/Attainment................
Modoc County........................ ........... Unclassifiable/Attainment................
Siskiyou County..................... ........... Unclassifiable/Attainment................Lake County Air Basin, CA:
Lake County......................... ........... Unclassifiable/Attainment................Sacramento Valley Air Basin, CA:
Butte County........................ ........... Unclassifiable/Attainment................
Colusa County....................... ........... Unclassifiable/Attainment................
Glenn County........................ ........... Unclassifiable/Attainment................
Placer County (part)................ ........... Unclassifiable/Attainment................
That portion of Placer County
which lies west of the line
described as follows: (Mount
Diablo Base and Meridian)
Beginning at the intersection
of the Placer-El Dorado County
line and the township line
common to Township 12 North,
Range 9 East and Township 13
North, Range 9 East, then
running west along the township
line common to Township 12
North, Range 9 East and
Township 13 North, Range 9
East, then north along the
range line common to Range 8
East and Range 9 East, to the
Placer-Nevada County boundary.
Sacramento County................... ........... Unclassifiable/Attainment................
Shasta County....................... ........... Unclassifiable/Attainment................
Solano County (part)................ ........... Unclassifiable/Attainment................
That portion of Solano County
which lies north and east of a
line described as follows:
Beginning at the intersection
of the westerly boundary of
Solano County and the \1/4\
section line running east and
west through the center of
Section 34, Township 6 North,
Range 2 West, Mount Diablo Base
and Meridian, then east along
said \1/4\ section line to the
east boundary of Section 36,
Township 6 North, Range 2 West,
then south \1/2\ mile and east
2 miles, more or less, along
the west and south boundary of
Los Putos Rancho to the
northwest corner of Section 4,
Township 5 North, Range 1 West,
then east along a line common
to Township 5 North and
Township 6 North to the
northeast corner of Section 3,
Township 5 North, Range 1 East,
then south along section lines
to the southeast corner of
Section 10, Township 3 North,
Range 1 East, then east along
section lines to the south \1/
4\ corner of Section 8,
Township 3 North, Range 2 East,
then east to the boundary
between Solano and Sacramento
Counties.
Sutter County....................... ........... Unclassifiable/Attainment................
Tehama County....................... ........... Unclassifiable/Attainment................
Yolo County......................... ........... Unclassifiable/Attainment................
Yuba County......................... ........... Unclassifiable/Attainment................Mountain Counties:
Amador County....................... ........... Unclassifiable/Attainment................
Calaveras County.................... ........... Unclassifiable/Attainment................
El Dorado (part).................... ........... Unclassifiable/Attainment................
All portions of the county
except that portion of El
Dorado County within the
drainage area naturally
tributary to Lake Tahoe
including said Lake.
Mariposa County..................... ........... Unclassifiable/Attainment................
Nevada County....................... ........... Unclassifiable/Attainment................
Placer (part)....................... ........... Unclassifiable/Attainment................
That portion of Placer County
which is contained inside the
two boundaries described as
follows: 1. That portion of the
county that lies east of the
line described as follows:
(Mount Diablo Base and
Meridian) Beginning at the
intersection of the Placer-El
Dorado County line and the
township line common to
Township 12 North, Range 9 East
and Township 13 North, Range 9
East, then running west along
the township line common to
Township 12 North, Range 9 East
and Township 13 North, Range 9
East, then north along the
range line common to Range 8
East and Range 9 East, to the
Placer-Nevada County boundary.
2. That portion of the county
that lies west of the drainage
area naturally tributary to
Lake Tahoe including said Lake,
plus west of the boundary of
that area in the vicinity of
the head of the Truckee River
described as follows:
Commencing at the point common
to the aforementioned drainage
area crestline and the line
common to Townships 15 North
and 16 North, Mount Diablo Base
and Meridian, and following
that line in a westerly
direction to the northwest
corner of Section 3, Township
15 North, Range 16 East Mount
Diablo Base and Meridian,
thence south along the west
line of Sections 3 and 10,
Township 15 North, Range 16
East, Mount Diablo Base and
Meridian, to the intersection
with the said drainage area
crestline, thence following the
said drainage area boundary in
a southeasterly, then
northeasterly direction to and
along the Lake Tahoe Dam,
thence following the said
drainage area crestline in a
northeasterly, then
northwesterly direction to the
point of beginning.
Plumas County (remainder)........... ........... Unclassifiable/Attainment................
Sierra County....................... ........... Unclassifiable/Attainment................
Tuolumne County..................... ........... Unclassifiable/Attainment................Lake Tahoe Air Basin:
El Dorado County (part)............. ........... Unclassifiable/Attainment................
That portion of El Dorado County
within the drainage area
naturally tributary to Lake
Tahoe including said Lake.
Placer County (part)................ ........... Unclassifiable/Attainment................
That portion of Placer County
within the drainage area
naturally tributary to Lake
Tahoe including said Lake, plus
that area in the vicinity of
the head of the Truckee River
described as follows:
commencing at the point common
to the aforementioned drainage
area crestline and the line
common to Township 15 North and
Township 16 North, Mount Diablo
Base and Meridian, and
following that line in a
westerly direction to the
northwest corner of Section 3,
Township 15 North, Range 16
East, Mount Diablo Base and
Meridian, then south along the
west line of Sections 3 and 10,
Township 15 North, Range 16
East, Mount Diablo Base and
Meridian, to the intersection
with the said drainage area
crestline, then following the
said drainage area boundary in
a southeasterly, then
northeasterly direction to and
along the Lake Tahoe Dam, then
following the said drainage
area crestline in a
northeasterly, then
northwesterly direction to the
point of beginning.San Francisco Bay Area Air Basin:
Alameda County...................... ........... Unclassifiable/Attainment................
Contra Costa County................. ........... Unclassifiable/Attainment................
Marin County........................ ........... Unclassifiable/Attainment................
Napa County......................... ........... Unclassifiable/Attainment................
San Francisco County................ ........... Unclassifiable/Attainment................
San Mateo County.................... ........... Unclassifiable/Attainment................
Santa Clara County.................. ........... Unclassifiable/Attainment................
Solano County (part)................ ........... Unclassifiable/Attainment................
That portion of Solano County
which lies south and west of a
line described as follows:
Beginning at the intersection
of the westerly boundary of
Solano County and the \1/4\
section line running east and
west through the center of
Section 34, Township 6 North,
Range 2 West, Mount Diablo Base
and Meridian, then east along
said \1/4\ section line to the
east boundary of Section 36,
Township 6 North, Range 2 West,
then south \1/2\ mile and east
2 miles, more or less, along
the west and south boundary of
Los Putos Rancho to the
northwest corner of Section 4,
Township 5 North, Range 1 West,
then east along a line common
to Township 5 North and
Township 6 North to the
northeast corner of Section 3,
Township 5 North, Range 1 East,
then south along section lines
to the southeast corner of
Section 10, Township 3 North,
Range 1 East, then east along
section lines to the south \1/
4\ corner of Section 8,
Township 3 North, Range 2 East,
then east to the boundary
between Solano and Sacramento
Counties.
Sonoma County (part)................ ........... Unclassifiable/Attainment................
That portion of Sonoma County
which lies south and east of a
line described as follows:
Beginning at the southeast
corner of the Rancho Estero
Americano Land Grant on the
boundary line between Marin and
Sonoma Counties; then running
north along the east boundary
line of Rancho Estero Americano
Land Grant to the northeast
corner thereof, being an angle
corner in the westerly boundary
line of Rancho Canada de Jonive
Land Grant, then running along
the boundary of Rancho Canada
de Jonive Land Grant west,
north and east to its
intersection with the eastern
line of Graton Road; then
running along the east and
south line of Graton Road north
and east to its intersection
with the east line of Sullivan
Road; then running north along
the east line of Sullivan Road
to the southern line of Green
Valley Road; then running east
along the southern line of
Green Valley Road and east
along the southern line of
State Highway 116, to the west
and north line of Vine Hill
Road; then running along the
west and north line of Vine
Hill Road, north and east to
its intersection with the west
line of Laguna Road; then
running north along the west
line of Laguna Road and the
north projection thereof to the
north line of Trenton Road;
then running west along the
north line of Trenton Road to
the east line of Trenton-
Healdsburg Road to the east
line of Eastside Road; then
running north along the east
line of Eastside Road to its
intersection with the southern
line of Rancho Sotoyome Land
Grant; then running east along
the southern line of Rancho
Sotoyome Land Grant to its
intersection with the Township
line common to Townships 8 and
9 North, Mount Diablo Base and
Meridian; then running east
along the township line to its
intersection with the boundary
line between Sonoma and Napa
Counties.North Central Coast Air Basin:
Monterey County..................... ........... Unclassifiable/Attainment................
San Benito County................... ........... Unclassifiable/Attainment................
Santa Cruz County................... ........... Unclassifiable/Attainment................South Central Coast Air Basin:
San Luis Obispo County.............. ........... Unclassifiable/Attainment................
Santa Barbara County................ ........... Unclassifiable/Attainment................
Ventura County...................... ........... Unclassifiable/Attainment................Great Basin Valleys Air Basin:
Alpine County....................... ........... Unclassifiable/Attainment................
Inyo County......................... ........... Unclassifiable/Attainment................
Mono County......................... ........... Unclassifiable/Attainment................Mojave Desert Air Basin:
Kern County (part).................. ........... Unclassifiable/Attainment................
That portion of Kern County east
and south of a line described
as follows: Beginning at the
Kern-Los Angeles County
boundary and running north and
east along the northwest
boundary of the Rancho La
Liebre Land Grant to the point
of intersection with the range
line common to Range 16 West
and Range 17 West, San
Bernardino Base and Meridian;
north along the range line to
the point of intersection with
the Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest along
the boundary of the Rancho El
Tejon Land Grant to the
northwest corner of Section 3,
Township 11 North, Range 17
West; then west 1.2 miles; then
north to the Rancho El Tejon
Land Grant boundary; then
northwest along the Rancho El
Tejon Land Grant boundary line
to the southeast corner of
Section 34, Township 32 South,
Range 30 East, Mount Diablo
Base and Meridian; then north
to the northwest corner of
Section 35, Township 31 South,
Range 30 East; then northeast
along the boundary of the
Rancho El Tejon Land Grant to
the southwest corner of Section
18, Township 31 South, Range 31
East; then east to the
southeast corner of Section 13,
Township 31 South, Range 31
East; then north along the
range line common to Range 31
East and Range 32 East, Mount
Diablo Base and Meridian, to
the northwest corner of Section
6, Township 29 South, Range 32
East; then east to the
southwest corner of Section 31,
Township 28 South, Range 32
East; then north along the
range line common to Range 31
East and Range 32 East to the
northwest corner of Section 6,
Township 28 South, Range 32
East, then west to the
southeast corner of Section 36,
Township 27 South, Range 31
East, then north along the
range line common to Range 31
East and Range 32 East to the
Kern-Tulare County boundary.
Los Angeles County (remainder)...... ........... Unclassifiable/Attainment................
Riverside County (part)............. ........... Unclassifiable/Attainment................
That portion of Riverside County
which lies to the east of a
line described as follows: That
segment of the southwestern
boundary line of Hydrologic
Unit Number 18100100 within
Riverside County, further
described as follows: Beginning
at the Riverside-Imperial
County boundary and running
north along the range line
common to Range 17 East and
Range 16 East, San Bernardino
Base and Meridian; then
northwest along the ridge line
of the Chuckwalla Mountains,
through Township 8 South, Range
16 East and Township 7 South,
Range 16 East, until the Black
Butte Mountain, Elevation
45'05''; then west and
northwest along the ridge line
to the southwest corner of
Township 5 South, Range 14
East; then north along the
range line common to Range 14
East and Range 13 East; then
west and northwest along the
ridge line to Monument
Mountain, elevation 4834'; then
southwest and then northwest
along the ridge line of the
Little San Bernardino Mountains
to Quail Mountain, elev. 5814';
then northwest along the ridge
line to the Riverside-San
Bernardino County line.
San Bernardino County (remainder)... ........... Unclassifiable/Attainment................Salton Sea Air Basin:
Imperial County (remainder)......... ........... Unclassifiable/Attainment................
Riverside County (part)............. ........... Unclassifiable/Attainment................
That portion of Riverside County
(including the lands of the
Santa Rosa Band of Cahuilla
Mission Indians within
Riverside County) which lies to
the east of a line described as
follows: Beginning at the
Riverside--San Diego County
boundary and running north
along the range line common to
Range 4 East and Range 3 East,
San Bernardino Base and
Meridian; then east along the
Township line common to
Township 8 South and Township 7
South; then north along the
range line common to Range 5
East and Range 4 East; then
west along the Township line
common to Township 6 South and
Township 7 South to the
southwest corner of Section 34,
Township 6 South, Range 4 East;
then north along the west
boundaries of Sections 34, 27,
22, 15, 10, and 3, Township 6
South, Range 4 East; then west
along the Township line common
to Township 5 South and
Township 6 South; then north
along the range line common to
Range 4 East and Range 3 East;
then west along the south
boundaries of Sections 13, 14,
15, 16, 17, and 18, Township 5
South, Range 3 East; then north
along the range line common to
Range 2 East and Range 3 East;,
to the Riverside-San Bernardino
County line: And that portion
of Riverside County which lies
to the west of a line described
as follows: That segment of the
southwestern boundary line of
Hydrologic Unit Number 18100100
within Riverside County,
further described as follows:
Beginning at the Riverside-
Imperial County boundary and
running north along the range
line common to Range 17 East
and Range 16 East, San
Bernardino Base and Meridian;
then northwest along the ridge
line of the Chuckwalla
Mountains, through Township 8
South, Range 16 East and
Township 7 South, Range 16
East, until the Black Butte
Mountain, elevation 4504'; then
west and northwest along the
ridge line to the southwest
corner of Township 5 South,
Range 14 East; then north along
the range line common to Range
14 East and Range 13 East; then
west and northwest along the
ridge line to Monument
Mountain, elevation 4834'; then
southwest and then northwest
along the ridge line of the
Little San Bernardino Mountains
to Quail Mountain, elev. 5814';
then northwest along the ridge
line to the Riverside-San
Bernardino County line.Pechanga Band of Luise[ntilde]o Mission ........... Unclassifiable/Attainment................
Indians.--------------------------------------------------------------------------------------------------------------------------------------------------------\1\ Includes areas of Indian country located in each county or area, except as otherwise specified.\2\ This date is April 15, 2015, unless otherwise noted.
California--1997 24-Hour PM2.5 NAAQS
[Primary and secondary]----------------------------------------------------------------------------------------------------------------
Designation \a\ Classification
Designated area ----------------------------------------------------------------------------
Date \1\ Type Date \2\ Type----------------------------------------------------------------------------------------------------------------Chico, CA:
Butte County (part)............ .............. Unclassifiable/
Attainment.
That portion of Butte
County which lies west of
the line described as
follows: (Mount Diablo
Base and Meridian)
Beginning at the
intersection of the Butte-
Yuba county line and the
township line common to
T18N R6E and T19N R6E,
west to the township line
common to T18N R6E and
T19N R6E, then north along
the range line common to
R5E and R6E, then west
along the township line
common to T21N and T20N,
then north along the range
line common to R4E and
R5E, then west along the
township line common to
T24N and T23N to the Butte-
Tehama County boundary.Imperial County, CA:
Imperial County (part)......... .............. Unclassifiable/
Attainment.
That portion of Imperial
County which lies within
the line described as
follows: (San Bernardino
Base and Meridan)
Beginning at the
intersection of the United
States-Mexico border and
the southeast corner of
T17S R11E, then north
along the range line of
the eastern edge of range
R11E, then east along the
township line of the
southern edge of T12S to
the northeast corner of
T13S R15E, then south
along the range line
common to R15E and R16E,
to the United States-
Mexico border.Los Angeles-South Coast Air Basin,
CA:
Los Angeles County (part)...... .............. Nonattainment....... .............. Moderate.
That portion of Los Angeles
County which lies south
and west of a line
described as follows:
Beginning at the Los
Angeles-San Bernardino
County boundary and
running west along the
Township line common to
Township 3 North and
Township 2 North, San
Bernardino Base and
Meridian; then North along
the range line common to
Range 8 West and Range 9
West; then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range line
common to Range 12 West
and Range 13 West to the
southeast corner of
Section 12, Township 5
North and Range 13 West;
then west along the south
boundaries of Sections 12,
11, 10, 9, 8, and 7,
Township 5 North and Range
13 West to the boundary of
the Angeles National
Forest which is collinear
with the range line common
to Range 13 West and Range
14 West; then north and
west along the Angeles
National Forest boundary
to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
then west along the
Township line common to
Township 7 North and
Township 6 North; then
north along the range line
common to Range 15 West
and Range 16 West to the
southeast corner of
Section 13, Township 7
North and Range 16 West;
then along the south
boundaries of Sections 13,
14, 15, 16, 17 and 18,
Township 7 North and Range
16 West; then north along
the range line common to
Range 16 West and Range 17
West to the north boundary
of the Angeles National
Forest (collinear with the
Township line common to
Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the
south boundary of the
Rancho La Liebre Land
Grant; then west and north
along this land grant
boundary to the Los
Angeles-Kern County
boundary.
Orange County.................. .............. Nonattainment....... .............. Moderate.
Riverside County (part)........ .............. Nonattainment....... .............. Moderate.
That portion of Riverside
County which lies to the
west of a line described
as follows: Beginning at
the Riverside-San Diego
County boundary and
running north along the
range line common to Range
4 East and Range 3 East,
San Bernardino Base and
Meridian; then east along
the Township line common
to Township 8 South and
Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the Township line
common to Township 6 South
and Township 7 South to
the southwest corner of
Section 34, Township 6
South, Range 4 East; then
north along the west
boundaries of Sections 34,
27, 22, 15, 10, and 3,
Township 6 South, Range 4
East; then west along the
Township line common to
Township 5 South and
Township 6 South; then
north along the range line
common to Range 4 East and
Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15,
16, 17, and 18, Township 5
South, Range 3 East; then
north along the range line
common to Range 2 East and
Range 3 East; to the
Riverside-San Bernardino
County Line (excluding the
lands of the Santa Rosa
Band of Cahuilla Mission
Indians).
That part of the lands of the .............. Nonattainment....... .............. Moderate.
Santa Rosa Band of Cahuilla
Mission Indians which is
excluded from the Riverside
County (part) nonattainment
area.
San Bernardino County (part)... .............. Nonattainment....... .............. Moderate.
That portion of San
Bernardino County which
lies south and west of a
line described as follows:
Beginning at the San
Bernardino-Riverside
County boundary and
running north along the
range line common to Range
3 East and Range 2 East,
San Bernardino Base and
Meridian; then west along
the Township line common
to Township 3 North and
Township 2 North to the
San Bernardino-Los Angeles
County boundary.Sacramento, CA:
El Dorado County (part)........ .............. Unclassifiable/
Attainment.
That portion of El Dorado
County which lies west of
the line described as
follows: (Mount Diablo
Base and Meridian)
Beginning at the
intersection of El Dorado-
Amador county line and the
township line common to
townships T8N R10E and T8N
R11E, then north along the
range line common to
ranges R10E and R11E, then
east along the township
line common to T9N and
T8N, then north along the
range line common to
ranges R12E and R13E, then
west along the township
line common to T12N and
T11N, then north along the
range line common to
ranges R10E and R11E, then
west along the township
line common to T13N and
T12N, then north along the
range line common to
ranges R9E and R10E, to
the El Dorado-Placer
County boundary.
Placer County (part)........... .............. Unclassifiable/
Attainment.
That portion of Placer
County which lies west of
the line described as
follows: (Mount Diablo
Base and Meridian)
Beginning at the
intersection of the Placer-
El Dorado County line and
the township line common
to townships T12N R9E and
T13N R9E, then running
west along the township
line common to townships
T12N R9E and T13N R9E,
then north along the range
line common to ranges R8E
and R9E, to the Placer-
Nevada County boundary.
Sacramento County.............. .............. Unclassifiable/
Attainment.
Solano County (part)........... .............. Unclassifiable/
Attainment.
That portion of Solano
County which lies north
and east of a line
described as follows:
beginning at the
intersection of the
westerly boundary of
Solano County and the \1/
4\ section line running
east and west through the
center of Section 34;
Township 6 North, Range 2
West, Mount Diablo Base
and Meridian, thence east
along said \1/4\ section
line to the east boundary
of Section 36, Township 6
North, Range 2 West,
thence south \1/2\ mile
and east 2.0 miles, more
or less, along the west
and south boundary of Los
Putos Rancho to the
northwest corner of
Section 4, Township 5
North, Range 1 West,
thence east along a line
common to Township 5 North
and Township 6 North to
the northeast corner of
Section 3, Township 5
North, Range 1 East,
thence south along section
lines to the southeast
corner of Section 10,
Township 3 North, Range 1
East, thence east along
section lines to the south
\1/4\ corner of Section 8,
Township 3 North, Range 2
East, thence east to the
boundary between Solano
and Sacramento Counties.
Yolo County (part)............. .............. Unclassifiable/
Attainment.
That portion of Yolo County
which lies east of the
line described as follows:
(Mount Diablo Base and
Meridian) Beginning at the
intersection of Yolo-
Solano County boundary and
the range line of the
eastern edge of township
T8N R2W, north along the
range line of the eastern
edge of township T8N R2W,
continuing north along the
range line common to
ranges R2W and R1W, to the
Yolo-Colusa County
boundary.San Francisco Bay Area, CA:
Alameda County................. .............. Unclassifiable/
Attainment.
Contra Costa County............ .............. Unclassifiable/
Attainment.
Marin County................... .............. Unclassifiable/
Attainment.
Napa County.................... .............. Unclassifiable/
Attainment.
San Francisco County........... .............. Unclassifiable/
Attainment.
San Mateo County............... .............. Unclassifiable/
Attainment.
Santa Clara County............. .............. Unclassifiable/
Attainment.
Solano County (part)........... .............. Unclassifiable/
Attainment.
That portion of Solano
County which lies south
and west of a line
described as follows:
Beginning at the
intersection of the
westerly boundary of
Solano County and the \1/
4\ section line running
east and west through the
center of Section 34,
Township 6 North, Range 2
West, Mount Diablo Base
and Meridian, thence east
along said \1/4\ section
line to the east boundary
of Section 36, Township 6
North, Range 2 West,
thence south \1/2\ mile
and east 2.0 miles, more
or less, along the west
and south boundary of Los
Putos Rancho to the
northwest corner of
Section 4, Township 5
North, Range 1 West thence
east along a line common
to T5N and T6N to the
northeast corner of
Section 3, T5N, R1E,
thence south along section
lines to the southeast
corner of Section 10, T3N,
R1E, thence east along
section lines to the south
\1/4\ corner of Section 8,
T3N, R2E, thence east to
the boundary between
Solano and Sacramento
Counties.
Sonoma County (part)........... .............. Unclassifiable/
Attainment..
That portion of Sonoma
County which lies south
and east of a line
described as follows:
Beginning at the
southeasterly corner of
the Rancho Estero
Americano, being on the
boundary line between
Marin and Sonoma Counties,
California; thence running
northerly along the
easterly boundary line of
said Rancho Estero
Americano to the
northeasterly corner
thereof, being an angle
corner in the westerly
boundary line of Rancho
Canada de Jonive; thence
running along said
boundary of Rancho Canada
de Jonive westerly,
northerly and easterly to
its intersection with the
easterly line of Graton
Road; thence running along
the easterly and southerly
line of Graton Road,
northerly and easterly to
its intersection with the
easterly line of Sullivan
Road; thence running
northerly along said
easterly line of Sullivan
Road to the southerly line
of Green Valley Road;
thence running easterly
along the said southerly
line of Green Valley Road
and easterly along the
southerly line of State
Highway 116, to the
westerly line of Vine Hill
Road; thence running along
the westerly and northerly
line of Vine Hill Road,
northerly and easterly to
its intersection with the
westerly line of Laguna
Road; thence running
northerly along the
westerly line of Laguna
Road and the northerly
projection thereof to the
northerly line of Trenton
Road; thence running
westerly along the
northerly line of said
Trenton Road to the
easterly line of Trenton-
Healdsburg Road; thence
running northerly along
said easterly line of
Trenton-Healdsburg Road to
the easterly line of
Eastside Road; thence
running northerly along
said easterly line of
Eastside Road to its
intersection with the
southerly line of Rancho
Sotoyome; thence running
easterly along said
southerly line of Rancho
Sotoyome to its
intersection with the
Township line common to
Townships 8 and 9 North,
M.D.M.; thence running
easterly along said
township line to its
intersection with the
boundary line between
Sonoma and Napa Counties.San Joaquin Valley, CA:
Fresno County.................. .............. Nonattainment....... May 7, 2015 Serious.
Kern County (part)............. .............. Nonattainment....... May 7, 2015 Serious.
That portion of Kern County
which lies west and north
of a line described as
follows: Beginning at the
Kern-Los Angeles County
boundary and running north
and east along the
northwest boundary of the
Rancho La Libre Land Grant
to the point of
intersection with the
range line common to R. 16
W. and R. 17 W., San
Bernardino Base and
Meridian; north along the
range line to the point of
intersection with the
Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest
along the boundary of the
Rancho El Tejon Land Grant
to the northwest corner of
S. 3, T. 11 N., R. 17 W.;
then west 1.2 miles; then
north to the Rancho El
Tejon Land Grant boundary;
then northwest along the
Rancho El Tejon line to
the southeast corner of S.
34, T. 32 S., R. 30 E.,
Mount Diablo Base and
Meridian; then north to
the northwest corner of S.
35, T. 31 S., R. 30 E.;
then northeast along the
boundary of the Rancho El
Tejon Land Grant to the
southwest corner of S. 18,
T. 31 S., R. 31 E.; then
east to the southeast
corner of S. 13, T. 31 S.,
R. 31 E.; then north along
the range line common to
R. 31 E. and R. 32 E.,
Mount Diablo Base and
Meridian, to the northwest
corner of S. 6, T. 29 S.,
R. 32 E.; then east to the
southwest corner of S. 31,
T. 28 S., R. 32 E.; then
north along the range line
common to R. 31 E. and R.
32 E. to the northwest
corner of S. 6, T. 28 S.,
R. 32 E., then west to the
southeast corner of S. 36,
T. 27 S., R. 31 E., then
north along the range line
common to R. 31 E. and R.
32 E. to the Kern-Tulare
County boundary.
Kings County................... .............. Nonattainment....... May 7, 2015 Serious.
Madera County.................. .............. Nonattainment....... May 7, 2015 Serious.
Merced County.................. .............. Nonattainment....... May 7, 2015 Serious.
San Joaquin County............. .............. Nonattainment....... May 7, 2015 Serious.
Stanislaus County.............. .............. Nonattainment....... May 7, 2015 Serious.
Tulare County.................. .............. Nonattainment....... May 7, 2015 Serious.Yuba City-Marysville, CA:
Sutter County.................. .............. Unclassifiable/
Attainment.
Yuba County (part)............. .............. Unclassifiable/
Attainment.
That portion of Yuba County
which lies west of the
line described as follows:
(Mount Diablo Base and
Meridian) Beginning at the
intersection of the Yuba-
Nevada county line and the
range line common to
ranges R7E and R8E, north
to the southeast corner of
township T18N R7E, then
west along the township
line common to T17N and
T18N, then north along the
range line common to
ranges R6E and R7E, then
west along the township
line common to T19N and
T18N to the Yuba-Butte
County boundary.North Coast Air Basin:
Del Norte County............... .............. Unclassifiable/
Attainment.
Humboldt County................ .............. Unclassifiable/
Attainment.
Mendocino County............... .............. Unclassifiable/
Attainment.
Sonoma County (part)........... .............. Unclassifiable/
Attainment.
That portion of Sonoma
County which lies north
and west of a line
described as follows:
Beginning at the
southeasterly corner of
the Rancho Estero
Americano, being on the
boundary line between
Marin and Sonoma Counties,
California; thence running
northerly along the
easterly boundary line of
said Rancho Estero
Americano to the
northeasterly corner
thereof, being an angle
corner in the westerly
boundary line of Rancho
Canada de Jonive, thence
running along said
boundary of Rancho Canada
de Jonive westerly;
northerly and easterly to
its intersection with the
easterly line of Graton
Road; thence running along
the easterly and southerly
line of Graton Road
northerly and easterly to
its intersection with the
easterly line of Sullivan
Road; thence running
northerly along said
easterly line of Sullivan
Road to the southerly line
of Green Valley Road;
thence running easterly
along the said southerly
line of Green Valley Road
and easterly along the
southerly line of State
Highway 116, to the
westerly and northerly
line of Vine Hill Road;
thence running along the
westerly and northerly
line of Vine Hill Road,
northerly and easterly to
its intersection with the
westerly line of Laguna
Road; thence running
northerly along the
westerly line of Laguna
Road and the northerly
projection thereof to the
northerly line of Trenton
Road; thence running
westerly along the
northerly line of said
Trenton Road to the
easterly line of Trenton-
Healdsburg Road to the
easterly line of Eastside
Road: thence running
northerly along said
easterly line of Eastside
Road to its intersection
with the southerly line of
Rancho Sotoyome; thence
running easterly along
said southerly line of
Rancho Sotoyome to its
intersection with the
Township line common to
Townships 8 and 9 north,
Mt. Diablo Base and
Meridian; thence running
easterly along said
Township line to its
intersection with the
boundary line between
Sonoma and Napa Counties,
State of California.
Trinity County................. .............. Unclassifiable/
Attainment.Northeast Plateau Air Basin:
Lassen County.................. .............. Unclassifiable/
Attainment.
Modoc County................... .............. Unclassifiable/
Attainment..
Siskiyou County................ .............. Unclassifiable/
Attainment.Lake County Air Basin:
Lake County.................... .............. Unclassifiable/
Attainment.Upper Sacramento Valley Region:
Butte County (remainder)....... .............. Unclassifiable/
Attainment.
Colusa County.................. .............. Unclassifiable/
Attainment.
Glenn County................... .............. Unclassifiable/
Attainment.
Shasta County.................. .............. Unclassifiable/
Attainment.
Tehama County.................. .............. Unclassifiable/
Attainment.
Yuba County (remainder)........ .............. Unclassifiable/
Attainment.Sacramento Metropolitan Region:
Yolo County (remainder)........ .............. Unclassifiable/
Attainment.Northern Mountain Counties:
Nevada County.................. .............. Unclassifiable/
Attainment.
Plumas County.................. .............. Unclassifiable/
Attainment.
Sierra County.................. .............. Unclassifiable/
Attainment.Central Mountain Counties:
Amador County.................. .............. Unclassifiable/
Attainment.
Calaveras County............... .............. Unclassifiable/
Attainment.Southern Mountain Counties:
Mariposa County................ .............. Unclassifiable/
Attainment.
Tuolumne County................ .............. Unclassifiable/
Attainment.Lake Tahoe Air Basin:
El Dorado County (remainder)... .............. Unclassifiable/
Attainment.
Placer County (remainder)...... .............. Unclassifiable/
Attainment.North Central Coast Air Basin:
Monterey County................ .............. Unclassifiable/
Attainment.
San Benito County.............. .............. Unclassifiable/
Attainment.
Santa Cruz County.............. .............. Unclassifiable/
Attainment.San Luis Obispo County:
San Luis Obispo County......... .............. Unclassifiable/
Attainment.Santa Barbara County:
Santa Barbara County (part).... .............. Unclassifiable/
Attainment.
Excluding San Miguel, Santa
Rosa, Santa Cruz and Santa
Barbara Islands.
Santa Barbara County (part).... .............. Unclassifiable/
Attainment.
San Miguel, Santa Rosa,
Santa Cruz and Santa
Barbara Islands.Ventura County:
Ventura County (part).......... .............. Unclassifiable/
Attainment.
Excluding Anacapa and San
Nicolas Islands..
Ventura County (part).......... .............. Unclassifiable/
Attainment.
Anacapa and San Nicolas
Islands..Great Basin Valleys Air Basin:
Alpine County.................. .............. Unclassifiable/
Attainment.
Inyo County (part)............. .............. Unclassifiable/
Attainment.
That portion of Inyo County
that Lies outside
Hydrologic Unit Number
18090205.
Mono County.................... .............. Unclassifiable/
Attainment.Coso Junction:
Inyo County (part)............. .............. Unclassifiable/
Attainment.
That portion of Inyo County
that lies inside
Hydrologic Unit Number
18090205..Eastern Kern County:
Kern County (part)............. .............. Unclassifiable/
Attainment.
That portion of Kern County
(with the exception of
that portion in Hydrologic
Unit Number 18090205--the
Indian Wells Valley) east
and south of a line
described as follows:
Beginning at the Kern-Los
Angeles County boundary
and running north and east
along the northwest
boundary of the Rancho La
Liebre Land Grant to the
point of intersection with
the range line common to
Range 16 West and Range 17
West, San Bernardino Base
and Meridian; north along
the range line to the
point of intersection with
the Rancho El Tejon Land
Grant boundary; then
southeast, northeast, and
northwest along the
boundary of the Rancho El
Tejon Grant to the
northwest corner of
Section 3, Township 11
North, Range 17 West; then
west 1.2 miles; then north
to the Rancho El Tejon
Land Grant boundary; Then
northwest Along the Rancho
El Tejon line to the
southeast corner of
Section 34, Township 32
South, Range 30 East,
Mount Diablo Base and
Meridian; then north to
the northwest corner of
Section 35, Township 31
South, Range 30 East; then
northeast along the
boundary of the Rancho El
Tejon Land Grant to the
southwest corner of
Section 18, Township 31
South, Range 31 East; then
east to the southeast
corner of Section 13,
Township 31 South, Range
31 East; then north along
the range line common to
Range 31 East and Range 32
East, Mount Diablo Base
and Meridian, to the
northwest corner of
Section 6, Township 29
South, Range 32 East; then
east to the southwest
corner of Section 31,
Township 28 South, Range
32 East; then north along
the range line common to
Range 31 East and Range 32
East to the northwest
corner of Section 6,
Township 28 South, Range
32 East, then west to the
southeast corner of
Section 36, Township 27
South, Range 31 East, then
north along the range line
common to Range 31 East
and Range 32 East to the
Kern-Tulare County
boundary.Indian Wells Valley:
Kern County (part)............. .............. Unclassifiable/
Attainment.
That portion of Kern County
that lies inside
Hydrologic Unit Number
18090205.Western Mojave Desert and Antelope
Valley:
Los Angeles County (part)...... .............. Unclassifiable/
Attainment.
That portion of Los Angeles
County which lies north
and east of a line
described as follows:
Beginning at the Los
Angeles-San Bernardino
County boundary and
running west along the
Township line common to
Township 3 North and
Township 2 North, San
Bernardino Base and
Meridian; then north along
the range line common to
Range 8 West and Range 9
West; then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range line
common to Range 12 West
and Range 13 West to the
southeast corner of
Section 12, Township 5
North and Range 13 West;
then west along the south
boundaries of Sections 12,
11, 10, 9, 8, and 7,
Township 5 North and Range
13 West to the boundary of
the Angeles National
Forest which is collinear
with the range line common
to Range 13 West and Range
14 West; then north and
west along the Angeles
National Forest boundary
to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
then west along the
Township line common to
Township 7 North and
Township 6 North; then
north along the range line
common to Range 15 West
and Range 16 West to the
southeast corner of
Section 13, Township 7
North and Range 16 West;
then along the south
boundaries of Sections 13,
14, 15, 16, 17, and 18,
Township 7 North and Range
16 West; then north along
the range line common to
Range 16 West and Range 17
West to the north boundary
of the Angeles National
Forest (collinear with the
Township line common to
Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the
south boundary of the
Rancho La Liebre Land
Grant; then west and north
along this land grant
boundary to the Los
Angeles-Kern County
boundary.
San Bernardino County (part)... .............. Unclassifiable/
Attainment.
That portion of San
Bernardino County (with
the exception of that
portion in Hydrologic Unit
Number 18090205) which
lies north and east of a
line described as follows:
Beginning at the San
Bernardino-Riverside
County boundary and
running north along the
range line common to Range
3 East and Range 2 East,
San Bernardino Base and
Meridian; then west along
the Township line common
to Township 3 North and
Township 2 North to the
San Bernardino-Los Angeles
County boundary; And that
portion of San Bernardino
County which lies south
and west of a line
described as follows:
latitude 35 degrees, 10
minutes north and
longitude 115 degrees, 45
minutes west.Trona:
San Bernardino County (part)... .............. Unclassifiable/
Attainment.
That portion of San
Bernardino County that
lies inside Hydrologic
Unit Number 18090205.Coachella Valley:
Riverside County (part)........ .............. Unclassifiable/
Attainment.
That portion of Riverside
County which lies to the
east of a line described
as follows: Beginning at
the Riverside-San Diego
County boundary and
running north along the
range line common to Range
4 East and Range 3 East,
San Bernardino Base and
Meridian; then east along
the Township line common
to Township 8 South and
Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the Township line
common to Township 6 South
and Township 7 South to
the southwest corner of
Section 34, Township 6
South, Range 4 East; then
north along the west
boundaries of Sections 34,
27, 22, 15, 10, and 3,
Township 6 South, Range 4
East; then west along the
Township line common to
Township 5 South and
Township 6 South; then
north along the range line
common to Range 4 East and
Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15,
16, 17, and 18, Township 5
South, Range 3 East; then
North along the range line
common to Range 2 East and
Range 3 East; to the
Riverside-San Bernardino
County line: And that
portion of Riverside
County which lies to the
west of a line described
as follows: That segment
of the southwestern
boundary line of
Hydrologic Unit Number
18100100 within Riverside
County, further described
as follows: Beginning at
the Riverside-Imperial
County boundary and
running north along the
range line common to Range
17 East and Range 16 East,
San Bernardino Base and
Meridian; then northwest
along the ridge line of
the Chuckwalla Mountains,
through Township 8 South,
Range 16 East and Township
7 South, Range 16 East,
until the Black Butte
Mountain, Elevation 4504';
then west and northwest
along the ridge line to
the southwest corner of
Township 5 South, Range 14
East; then north along the
range line common to Range
14 East and Range 13 East;
then west and northwest
along the ridge line to
Monument Mountain,
elevation 4834'; then
southwest and then
northwest along the ridge
line of the Little San
Bernardino Mountains to
Quail Mountain, elev.
5814'; then northwest
along the ridge line to
the Riverside-San
Bernardino County line.Far Eastern Riverside and San
Bernardino Counties:
San Bernardino County .............. Unclassifiable/
(remainder). Attainment..
Riverside County (remainder)... .............. Unclassifiable/
Attainment..
Imperial County (remainder).... .............. Unclassifiable/
Attainment.
San Diego County............... .............. Unclassifiable/
Attainment.----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ This date is 90 days after January 5, 2005, unless otherwise noted.\2\ This date is July 2, 2014, unless otherwise noted.
California--2006 24-Hour PM2.5 NAAQS
[Primary and secondary]----------------------------------------------------------------------------------------------------------------
Designation \a\ Classification
Designated area ----------------------------------------------------------------------------
Date \1\ Type Date \2\ Type----------------------------------------------------------------------------------------------------------------Chico, CA:
Butte County (part)............ .............. Nonattainment....... .............. Moderate.
That portion of Butte
County which lies west of
the line described as
follows: (Mount Diablo
Base and Meridian)
Beginning at the
intersection of the Butte-
Yuba county line and the
township line common to
T18N R6E and T19N R6E,
west to the township line
common to T18N R6E and
T19N R6E, then north along
the range line common to
R5E and R6E, then west
along the township line
common to T21N and T20N,
then north along the range
line common to R4E and
R5E, then west along the
township line common to
T24N and T23N to the Butte-
Tehama County boundary.Imperial County, CA:
Imperial County (part)......... .............. Nonattainment....... .............. Moderate.
That portion of Imperial
County which lies within
the line described as
follows: (San Bernardino
Base and Meridian)
Beginning at the
intersection of the United
States-Mexico border and
the southeast corner of
T17S R11E, then north
along the range line of
the eastern edge of range
R11E, then east along the
township line of the
southern edge of T12S to
the northeast corner of
T13S R15E, then south
along the range line
common to R15E and R16E,
to the United States-
Mexico border.Los Angeles-South Coast Air Basin,
CA:
Los Angeles County (part)...... .............. Nonattainment....... .............. Moderate.
That portion of Los Angeles
County which lies south
and west of a line
described as follows:
Beginning at the Los
Angeles-San Bernardino
County boundary and
running west along the
Township line common to
Township 3 North and
Township 2 North, San
Bernardino Base and
Meridian; then North along
the range line common to
Range 8 West and Range 9
West; then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range line
common to Range 12 West
and Range 13 West to the
southeast corner of
Section 12, Township 5
North and Range 13 West;
then west along the south
boundaries of Sections 12,
11, 10, 9, 8, and 7,
Township 5 North and Range
13 West to the boundary of
the Angeles National
Forest which is collinear
with the range line common
to Range 13 West and Range
14 West; then north and
west along the Angeles
National Forest boundary
to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
then west along the
Township line common to
Township 7 North and
Township 6 North; then
north along the range line
common to Range 15 West
and Range 16 West to the
southeast corner of
Section 13, Township 7
North and Range 16 West;
then along the south
boundaries of Sections 13,
14, 15, 16, 17 and 18,
Township 7 North and Range
16 West; then north along
the range line common to
Range 16 West and Range 17
West to the north boundary
of the Angeles National
Forest (collinear with the
Township line common to
Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the
south boundary of the
Rancho La Liebre Land
Grant; then west and north
along this land grant
boundary to the Los
Angeles-Kern County
boundary.
Orange County.................. .............. Nonattainment....... .............. Moderate.
Riverside County (part)........ .............. Nonattainment....... .............. Moderate.
That portion of Riverside
County which lies to the
west of a line described
as follows: Beginning at
the Riverside-San Diego
County boundary and
running north along the
range line common to Range
4 East and Range 3 East,
San Bernardino Base and
Meridian; then east along
the Township line common
to Township 8 South and
Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the Township line
common to Township 6 South
and Township 7 South to
the southwest corner of
Section 34, Township 6
South, Range 4 East; then
north along the west
boundaries of Sections 34,
27, 22, 15, 10, and 3,
Township 6 South, Range 4
East; then west along the
Township line common to
Township 5 South and
Township 6 South; then
north along the range line
common to Range 4 East and
Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15,
16, 17, and 18, Township 5
South, Range 3 East; then
north along the range line
common to Range 2 East and
Range 3 East; to the
Riverside-San Bernardino
County Line (excluding the
lands of the Santa Rosa
Band of Cahuilla Mission
Indians).
That part of the lands of the .............. Unclassifiable/
Santa Rosa Band of Cahuilla Attainment.
Mission Indians which is
excluded from the Riverside
County (part) nonattainment
area.
San Bernardino County (part)... .............. Nonattainment....... .............. Moderate.
That portion of San
Bernardino County which
lies south and west of a
line described as follows:
Beginning at the San
Bernardino-Riverside
County boundary and
running north along the
range line common to Range
3 East and Range 2 East,
San Bernardino Base and
Meridian; then west along
the Township line common
to Township 3 North and
Township 2 North to the
San Bernardino-Los Angeles
County boundary.Sacramento, CA:
El Dorado County (part)........ .............. Nonattainment....... .............. Moderate.
That portion of El Dorado
County which lies west of
the line described as
follows: (Mount Diablo
Base and Meridian)
Beginning at the
intersection of El Dorado-
Amador county line and the
township line common to
townships T8N R10E and T8N
R11E, then north along the
range line common to
ranges R10E and R11E, then
east along the township
line common to T9N and
T8N, then north along the
range line common to
ranges R12E and R13E, then
west along the township
line common to T12N and
T11N, then north along the
range line common to
ranges R10E and R11E, then
west along the township
line common to T13N and
T12N, then north along the
range line common to
ranges R9E and R10E, to
the El Dorado-Placer
County boundary.
Placer County (part)........... .............. Nonattainment....... .............. Moderate.
That portion of Placer
County which lies west of
the line described as
follows: (Mount Diablo
Base and Meridian)
Beginning at the
intersection of the Placer-
El Dorado County line and
the township line common
to townships T12N R9E and
T13N R9E, then running
west along the township
line common to townships
T12N R9E and T13N R9E,
then north along the range
line common to ranges R8E
and R9E, to the Placer-
Nevada County boundary.
Sacramento County.............. .............. Nonattainment....... .............. Moderate.
Solano County (part)........... .............. Nonattainment....... .............. Moderate.
That portion of Solano
County which lies north
and east of a line
described as follows:
beginning at the
intersection of the
westerly boundary of
Solano County and the 1/4
section line running east
and west through the
center of Section 34;
Township 6 North, Range 2
West, Mount Diablo Base
and Meridian, thence east
along said 1/4 section
line to the east boundary
of Section 36, Township 6
North, Range 2 West,
thence south 1/2 mile and
east 2.0 miles, more or
less, along the west and
south boundary of Los
Putos Rancho to the
northwest corner of
Section 4, Township 5
North, Range 1 West,
thence east along a line
common to Township 5 North
and Township 6 North to
the northeast corner of
Section 3, Township 5
North, Range 1 East,
thence south along section
lines to the southeast
corner of Section 10,
Township 3 North, Range 1
East, thence east along
section lines to the south
1/4 corner of Section 8,
Township 3 North, Range 2
East, thence east to the
boundary between Solano
and Sacramento Counties.
Yolo County (part)............. .............. Nonattainment....... .............. Moderate.
That portion of Yolo County
which lies east of the
line described as follows:
(Mount Diablo Base and
Meridian) Beginning at the
intersection of Yolo-
Solano County boundary and
the range line of the
eastern edge of township
T8N R2W, north along the
range line of the eastern
edge of township T8N R2W,
continuing north along the
range line common to
ranges R2W and R1W, to the
Yolo-Colusa County
boundary.San Francisco Bay Area, CA:
Alameda County................. .............. Nonattainment....... .............. Moderate.
Contra Costa County............ .............. Nonattainment....... .............. Moderate.
Marin County................... .............. Nonattainment....... .............. Moderate.
Napa County.................... .............. Nonattainment....... .............. Moderate.
San Francisco County........... .............. Nonattainment....... .............. Moderate.
San Mateo County............... .............. Nonattainment....... .............. Moderate.
Santa Clara County............. .............. Nonattainment....... .............. Moderate.
Solano County (part)........... .............. Nonattainment....... .............. Moderate.
That portion of Solano
County which lies south
and west of a line
described as follows:
Beginning at the
intersection of the
westerly boundary of
Solano County and the 1/4
section line running east
and west through the
center of Section 34,
Township 6 North, Range 2
West, Mount Diablo Base
and Meridian, thence east
along said 1/4 section
line to the east boundary
of Section 36, Township 6
North, Range 2 West,
thence south 1/2 mile and
east 2.0 miles, more or
less, along the west and
south boundary of Los
Putos Rancho to the
northwest corner of
Section 4, Township 5
North, Range 1 West thence
east along a line common
to T5N and T6N to the
northeast corner of
Section 3, T5N, R1E,
thence south along section
lines to the southeast
corner of Section 10, T3N,
R1E, thence east along
section lines to the south
1/4 corner of Section 8,
T3N, R2E, thence east to
the boundary between
Solano and Sacramento
Counties.
Sonoma County (part)........... .............. Nonattainment....... .............. Moderate.
That portion of Sonoma
County which lies south
and east of a line
described as follows:
Beginning at the
southeasterly corner of
the Rancho Estero
Americano, being on the
boundary line between
Marin and Sonoma Counties,
California; thence running
northerly along the
easterly boundary line of
said Rancho Estero
Americano to the
northeasterly corner
thereof, being an angle
corner in the westerly
boundary line of Rancho
Canada de Jonive; thence
running along said
boundary of Rancho Canada
de Jonive westerly,
northerly and easterly to
its intersection with the
easterly line of Graton
Road; thence running along
the easterly and southerly
line of Graton Road,
northerly and easterly to
its intersection with the
easterly line of Sullivan
Road; thence running
northerly along said
easterly line of Sullivan
Road to the southerly line
of Green Valley Road;
thence running easterly
along the said southerly
line of Green Valley Road
and easterly along the
southerly line of State
Highway 116, to the
westerly line of Vine Hill
Road; thence running along
the westerly and northerly
line of Vine Hill Road,
northerly and easterly to
its intersection with the
westerly line of Laguna
Road; thence running
northerly along the
westerly line of Laguna
Road and the northerly
projection thereof to the
northerly line of Trenton
Road; thence running
westerly along the
northerly line of said
Trenton Road to the
easterly line of Trenton-
Healdsburg Road; thence
running northerly along
said easterly line of
Trenton-Healdsburg Road to
the easterly line of
Eastside Road; thence
running northerly along
said easterly line of
Eastside Road to its
intersection with the
southerly line of Rancho
Sotoyome; thence running
easterly along said
southerly line of Rancho
Sotoyome to its
intersection with the
Township line common to
Townships 8 and 9 North,
M.D.M.; thence running
easterly along said
township line to its
intersection with the
boundary line between
Sonoma and Napa Counties.San Joaquin Valley, CA:
Fresno County.................. .............. Nonattainment....... .............. Moderate.
Kern County (part)............. .............. Nonattainment....... .............. Moderate.
That portion of Kern County
which lies west and north
of a line described as
follows: Beginning at the
Kern-Los Angeles County
boundary and running north
and east along the
northwest boundary of the
Rancho La Liebre Land
Grant to the point of
intersection with the
range line common to R. 16
W. and R. 17 W., San
Bernardino Base and
Meridian; north along the
range line to the point of
intersection with the
Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest
along the boundary of the
Rancho El Tejon Land Grant
to the northwest corner of
Sec. 3, T11N, R17W; then
west 1.2 miles; then north
to the Rancho El Tejon
Land Grant boundary; then
northwest along the Rancho
El Tejon line to the
southeast corner of Sec.
34, T32S, R30E Mount
Diablo Base And Meridian;
then north to the
northwest corner of Sec.
35, T31S, R30E; then
Northeast along the
boundary of the Rancho El
Tejon Land Grant to the
southwest corner of Sec.
18, T. 31 S., R. 31 E.;
then east to the southeast
corner of Sec. 13, T. 31
S., R. 31 E.; then north
along the range line
common to R. 31 E. and R.
32 E., Mount Diablo Base
and Meridian, to the
northwest corner of Sec.
6, T. 29 S., R. 32 E.;
then east to the southwest
corner of Sec. 31, T. 28
S., R. 32 E.; then north
along the range line
common to R. 31 E. and R.
32 E. to the northwest
corner of Sec. 6, T. 28
S., R. 32 E., then west to
the southeast corner of
Sec. 36, T. 27 S., R. 31
E., then north along the
range line common to R. 31
E. and R. 32 E. to the
Kern-Tulare County
boundary.
Kings County................... .............. Nonattainment....... .............. Moderate.
Madera County.................. .............. Nonattainment....... .............. Moderate.
Merced County.................. .............. Nonattainment....... .............. Moderate.
San Joaquin County............. .............. Nonattainment....... .............. Moderate.
Stanislaus County.............. .............. Nonattainment....... .............. Moderate.
Tulare County.................. .............. Nonattainment....... .............. Moderate.Yuba City-Marysville, CA
Sutter County.................. January 8, Attainment..........
2015
Yuba County (part)............. January 8, Attainment..........
2015
That portion of Yuba County
which lies west of the
line described as follows:
(Mount Diablo Base and
Meridian) Beginning at the
intersection of the Yuba-
Nevada county line and the
range line common to
ranges R7E and R8E, north
to the southeast corner of
township T18N R7E, then
west along the township
line common to T17N and
T18N, then north along the
range line common to
ranges R6E and R7E, then
west along the township
line common to T19N and
T18N to the Yuba-Butte
County boundary..Rest of State:North Coast Air Basin:
Del Norte County............... .............. Unclassifiable/
Attainment.
Humboldt County................ .............. Unclassifiable/
Attainment.
Mendocino County............... .............. Unclassifiable/
Attainment.
Sonoma County (part)........... .............. Unclassifiable/
Attainment.
That portion of Sonoma
County which lies north
and west of a line
described as follows:
Beginning at the
southeasterly corner of
the Rancho Estero
Americano, being on the
boundary line between
Marin and Sonoma Counties,
California; thence running
northerly along the
easterly boundary line of
said Rancho Estero
Americano to the
northeasterly corner
thereof, being an angle
corner in the westerly
boundary line of Rancho
Canada de Jonive, thence
running along said
boundary of Rancho Canada
de Jonive westerly;
northerly and easterly to
its intersection with the
easterly line of Graton
Road; thence running along
the easterly and southerly
line of Graton Road
northerly and easterly to
its intersection with the
easterly line of Sullivan
Road; thence running
northerly along said
easterly line of Sullivan
Road to the southerly line
of Green Valley Road;
thence running easterly
along the said southerly
line of Green Valley Road
and easterly along the
southerly line of State
Highway 116, to the
westerly and northerly
line of Vine Hill Road;
thence running along the
westerly and northerly
line of Vine Hill Road,
northerly and easterly to
its intersection with the
westerly line of Laguna
Road; thence running
northerly along the
westerly line of Laguna
Road and the northerly
projection thereof to the
northerly line of Trenton
Road; thence running
westerly along the
northerly line of said
Trenton Road to the
easterly line of Trenton-
Healdsburg Road to the
easterly line of Eastside
Road: thence running
northerly along said
easterly line of Eastside
Road to its intersection
with the southerly line of
Rancho Sotoyome; thence
running easterly along
said southerly line of
Rancho Sotoyome to its
intersection with the
Township line common to
Townships 8 and 9 north,
Mt. Diablo Base and
Meridian; thence running
easterly along said
Township line to its
intersection with the
boundary line between
Sonoma and Napa Counties,
State of California.
Trinity County................. .............. Unclassifiable/
Attainment.Northeast Plateau Air Basin:
Lassen County.................. .............. Unclassifiable/
Attainment.
Modoc County................... .............. Unclassifiable/
Attainment.
Siskiyou County................ .............. Unclassifiable/
Attainment.Lake County Air Basin:
Lake County.................... .............. Unclassifiable/
Attainment.Upper Sacramento Valley Region:
Butte County (remainder)....... .............. Unclassifiable/
Attainment.
Colusa County.................. .............. Unclassifiable/
Attainment.
Glenn County................... .............. Unclassifiable/
Attainment.
Shasta County.................. .............. Unclassifiable/
Attainment.
Tehama County.................. .............. Unclassifiable/
Attainment.
Yuba County (remainder)........ .............. Unclassifiable/
Attainment.Sacramento Metropolitan Region:
Yolo County (remainder)........ .............. Unclassifiable/
Attainment.Northern Mountain Counties:
Nevada County.................. .............. Unclassifiable/
Attainment.
Plumas County.................. .............. Unclassifiable/
Attainment.
Sierra County.................. .............. Unclassifiable/
Attainment.Central Mountain Counties:
Amador County.................. .............. Unclassifiable/
Attainment.
Calaveras County............... .............. Unclassifiable/
Attainment.Southern Mountain Counties:
Mariposa County................ .............. Unclassifiable/
Attainment.
Tuolumne County................ .............. Unclassifiable/
Attainment.Lake Tahoe Air Basin:
El Dorado County (remainder)... .............. Unclassifiable/
Attainment.
Placer County (remainder)...... .............. Unclassifiable/
Attainment.North Central Coast Air Basin:
Monterey County................ .............. Unclassifiable/
Attainment.
San Benito County.............. .............. Unclassifiable/
Attainment.
Santa Cruz County.............. .............. Unclassifiable/
Attainment.San Luis Obispo County:
San Luis Obispo County......... .............. Unclassifiable/
Attainment.Santa Barbara County:
Santa Barbara County (part).... .............. Unclassifiable/
Attainment.
Excluding San Miguel, Santa
Rosa, Santa Cruz, and
Santa Barbara Islands
Santa Barbara County (part).... .............. Unclassifiable/
Attainment.
San Miguel, Santa Rosa,
Santa Cruz, and Santa
Barbara IslandsVentura County:
Ventura County (part).......... .............. Unclassifiable/
Attainment.
Excluding Anacapa and San
Nicolas Islands.
Ventura County (part).......... .............. Unclassifiable/
Attainment.
Anacapa and San Nicolas
Islands.Great Basin Valleys Air Basin:
Alpine County.................. .............. Unclassifiable/
Attainment.
Inyo County (part)............. .............. Unclassifiable/
Attainment.
That portion of Inyo County
that Lies outside
Hydrologic Unit Number
18090205.
Mono County.................... .............. Unclassifiable/
Attainment.Coso Junction:
Inyo County (part)............. .............. Unclassifiable/
Attainment.
That portion of Inyo County
that lies inside
Hydrologic Unit Number
18090205.Eastern Kern County:
Kern County (part)............. .............. Unclassifiable/
Attainment.
That portion of Kern County
(with the exception of
that portion in Hydrologic
Unit Number 18090205--the
Indian Wells Valley) east
and south of a line
described as follows:
Beginning at the Kern-Los
Angeles County boundary
and running north and east
along the northwest
boundary of the Rancho La
Liebre Land Grant to the
point of intersection with
the range line common to
Range 16 West and Range 17
West, San Bernardino Base
and Meridian; north along
the range line to the
point of intersection with
the Rancho El Tejon Land
Grant boundary; then
southeast, northeast, and
northwest along the
boundary of the Rancho El
Tejon Grant to the
northwest corner of
Section 3, Township 11
North, Range 17 West; then
west 1.2 miles; then north
to the Rancho El Tejon
Land Grant boundary; Then
northwest Along the Rancho
El Tejon line to the
southeast corner of
Section 34, Township 32
South, Range 30 East,
Mount Diablo Base and
Meridian; then north to
the northwest corner of
Section 35, Township 31
South, Range 30 East; then
northeast along the
boundary of the Rancho El
Tejon Land Grant to the
southwest corner of
Section 18, Township 31
South, Range 31 East; then
east to the southeast
corner of Section 13,
Township 31 South, Range
31 East; then north along
the range line common to
Range 31 East and Range 32
East, Mount Diablo Base
and Meridian, to the
northwest corner of
Section 6, Township 29
South, Range 32 East; then
east to the southwest
corner of Section 31,
Township 28 South, Range
32 East; then north along
the range line common to
Range 31 East and Range 32
East to the northwest
corner of Section 6,
Township 28 South, Range
32 East, then west to the
southeast corner of
Section 36, Township 27
South, Range 31 East, then
north along the range line
common to Range 31 East
and Range 32 East to the
Kern-Tulare County
boundary.Indian Wells Valley:
Kern County (part)............. .............. Unclassifiable/
Attainment.
That portion of Kern County
that lies inside
Hydrologic Unit Number
18090205.Western Mojave Desert and Antelope
Valley:
Los Angeles County (part)...... .............. Unclassifiable/
Attainment.
That portion of Los Angeles
County which lies north
and east of a line
described as follows:
Beginning at the Los
Angeles-San Bernardino
County boundary and
running west along the
Township line common to
Township 3 North and
Township 2 North, San
Bernardino Base and
Meridian; then north along
the range line common to
Range 8 West and Range 9
West; then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range line
common to Range 12 West
and Range 13 West to the
southeast corner of
Section 12, Township 5
North and Range 13 West;
then west along the south
boundaries of Sections 12,
11, 10, 9, 8, and 7,
Township 5 North and Range
13 West to the boundary of
the Angeles National
Forest which is collinear
with the range line common
to Range 13 West and Range
14 West; then north and
west along the Angeles
National Forest boundary
to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
then west along the
Township line common to
Township 7 North and
Township 6 North; then
north along the range line
common to Range 15 West
and Range 16 West to the
southeast corner of
Section 13, Township 7
North and Range 16 West;
then along the south
boundaries of Sections 13,
14, 15, 16, 17, and 18,
Township 7 North and Range
16 West; then north along
the range line common to
Range 16 West and Range 17
West to the north boundary
of the Angeles National
Forest (collinear with the
Township line common to
Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the
south boundary of the
Rancho La Liebre Land
Grant; then west and north
along this land grant
boundary to the Los
Angeles-Kern County
boundary.
San Bernardino County (part)... .............. Unclassifiable/
Attainment.
That portion of San
Bernardino County (with
the exception of that
portion in Hydrologic Unit
Number 18090205) which
lies north and east of a
line described as follows:
Beginning at the San
Bernardino-Riverside
County boundary and
running north along the
range line common to Range
3 East and Range 2 East,
San Bernardino Base and
Meridian; then west along
the Township line common
to Township 3 North and
Township 2 North to the
San Bernardino-Los Angeles
County boundary; And that
portion of San Bernardino
County which lies south
and west of a line
described as follows:
latitude 35 degrees, 10
minutes north and
longitude 115 degrees, 45
minutes west.Trona:
San Bernardino County (part)... .............. Unclassifiable/
Attainment.
That portion of San
Bernardino County that
lies inside Hydrologic
Unit Number 18090205.Coachella Valley:
Riverside County (part)........ .............. Unclassifiable/
Attainment.
That portion of Riverside
County which lies to the
east of a line described
as follows: Beginning at
the Riverside-San Diego
County boundary and
running north along the
range line common to Range
4 East and Range 3 East,
San Bernardino Base and
Meridian; then east along
the Township line common
to Township 8 South and
Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the Township line
common to Township 6 South
and Township 7 South to
the southwest corner of
Section 34, Township 6
South, Range 4 East; then
north along the west
boundaries of Sections 34,
27, 22, 15, 10, and 3,
Township 6 South, Range 4
East; then west along the
Township line common to
Township 5 South and
Township 6 South; then
north along the range line
common to Range 4 East and
Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15,
16, 17, and 18, Township 5
South, Range 3 East; then
North along the range line
common to Range 2 East and
Range 3 East; to the
Riverside-San Bernardino
County line: And that
portion of Riverside
County which lies to the
west of a line described
as follows: That segment
of the southwestern
boundary line of
Hydrologic Unit Number
18100100 within Riverside
County, further described
as follows: Beginning at
the Riverside-Imperial
County boundary and
running north along the
range line common to Range
17 East and Range 16 East,
San Bernardino Base and
Meridian; then northwest
along the ridge line of
the Chuckwalla Mountains,
through Township 8 South,
Range 16 East and Township
7 South, Range 16 East,
until the Black Butte
Mountain, Elevation
45'05''; then west and
northwest along the ridge
line to the southwest
corner of Township 5
South, Range 14 East; then
north along the range line
common to Range 14 East
and Range 13 East; then
west and northwest along
the ridge line to Monument
Mountain, elevation 4834';
then southwest and then
northwest along the ridge
line of the Little San
Bernardino Mountains to
Quail Mountain, elev.
5814'; then northwest
along the ridge line to
the Riverside-San
Bernardino County line.Far Eastern Riverside and San
Bernardino Counties:
San Bernardino County .............. Unclassifiable/
(remainder). Attainment.
Riverside County (remainder)... .............. Unclassifiable/
Attainment.
Imperial County (remainder).... .............. Unclassifiable
Attainment.
San Diego County............... .............. Unclassifiable/
Attainment.----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ This date is 30 days after November 13, 2009, unless otherwise noted.\2\ This date is July 2, 2014, unless otherwise noted.
California--NO2 (1971 Annual Standard)------------------------------------------------------------------------
Cannot be
classified
Does not or better
Designated area meet primary than
standards national
standards------------------------------------------------------------------------North Coast Air Basin....................... ............ XSan Francisco Area Air Basin................ ............ XLake County Air Basin....................... ............ XNorth Central Coast Air Basin:
Monterey portion.......................... ............ X
San Benito portion........................ ............ X
Santa Cruz portion........................ ............ XSouth Central Coast Air Basin:
San Luis Obispo Count..................... ............ X
Santa Barbara AQMA........................ ............ X
Santa Barbara non-AQMA.................... ............ X
Ventura County............................ ............ X
Channel Islands........................... ............ XSan Diego Air Basin:
West San Diego County..................... ............ X
East San Diego County..................... ............ XSouth Coast Air Basin....................... ............ XSan Joaquin Valley Air Basin:
Fresno County............................. ............ X
Kern County (SJVAS portion)............... ............ X
Kings County.............................. ............ X
Madera County............................. ............ X
Merced County............................. ............ X
San Joaquin County........................ ............ X
Stanislaus County......................... ............ X
Tulare County............................. ............ XSacramento Valley Air Basin:
Sacramento County......................... ............ X
Solano County (Sacramento Valley Air Basin ............ X
portion).................................
Yolo County............................... ............ X
Butte County.............................. ............ X
Colusa County............................. ............ X
Glenn County.............................. ............ X
Shasta County (Sacramento Valley portion). ............ X
Sutter County............................. ............ X
Tehama County............................. ............ X
Yuba County............................... ............ XGreat Basin Valleys Air Basin............... ............ XNortheast Plateau Air Basin................. ............ XMountain Counties Air Basin:
AQMA portion of Placer Co. County......... ............ X
Placer County excluding AQMA portion and ............ X
Lake Tahoe portion.......................Anador County............................... ............ XCalaveras County............................ ............ XEl Dorado County, excluding Lake Tahoe Air ............ X
Basin portion..............................Mariposa County............................. ............ XNevada County............................... ............ XPlumas County............................... ............ XSierra County............................... ............ XTuolumne County............................. ............ XSoutheast Desert Air Basin County:
Kern County (S.E. Desert portion) County.. ............ XImperial County............................. ............ XLos Angeles County (portion within S.E. ............ X
Desert Air Basin)..........................Riverside County (portion not within South ............ X
Coast Air Basin or Coachella Valley
planning area).............................San Bernardino County (portion within S.E. ............ X
Desert AQMA)...............................Riverside County (Coachella Valley planning ............ X
area)......................................San Bernardino, non-AQMA.................... ............ XTahoe Air Basin............................. ............ X------------------------------------------------------------------------
California--NO2 (2010 1-Hour Standard)----------------------------------------------------------------------------------------------------------------
Designation \a\
Designated area -----------------------------------------------------------------
Date \1\ Type----------------------------------------------------------------------------------------------------------------Amador County APCD:
Amador County............................. ........... Unclassifiable/Attainment.Antelope Valley AQMD:
Los Angeles County (part)................. ........... Unclassifiable/Attainment.
That portion of Los Angeles County
which lies north and east of a line
described as follows: Beginning at
the Los Angeles-San Bernardino County
boundary and running west along the
township line common to T. 3 N and T.
2 N, San Bernardino Base and
Meridian; then north along the range
line common to R. 8 W and R. 9 W;
then west along the township line
common to T. 4 N and T. 3 N; then
north along the range Line Common to
R. 12 W and R. 13 W to the southeast
corner of Section 12, T. 5 N, R. 13
W; then west along the south
boundaries of Sections 12, 11, 10, 9,
8, 7, T. 5 N, R. 13 W to the boundary
of the Angeles National Forest which
is collinear with the range line
common to R. 13 W and R. 14 W; then
north and west along the Angeles
National Forest boundary to the point
of intersection with the township
line common to T. 7 N and T. 6 N
(point is at the northwest corner of
Section 4 in T. 6 N, R. 14 W); then
west along the township line common
to T. 7 N and T. 6 N; then north
along the range line common to R. 15
W and R. 16 W to the southeast corner
of Section 13, T. 7 N, R. 16 W; then
along the south boundaries of
Sections 13, 14, 15, 16, 17, 18, T. 7
N, R. 16 W; then north along the
range line common to R. 16 W and R.
17 W to the north boundary of the
Angeles National Forest (collinear
with township line common to T. 8 N
and T. 7 N) then west and north along
the Angeles National Forest boundary
to the point of intersection with the
south boundary of the Rancho La
Liebre Land Grant; then west and
north along this land grant boundary
to the Los Angeles-Kern County
boundary.Bay Area AQMD:
Alameda County............................ ........... Unclassifiable/Attainment.
Contra Costa County....................... ........... Unclassifiable/Attainment.
Marin County.............................. ........... Unclassifiable/Attainment.
Napa County............................... ........... Unclassifiable/Attainment.
San Francisco County...................... ........... Unclassifiable/Attainment.
San Mateo County.......................... ........... Unclassifiable/Attainment.
Santa Clara County........................ ........... Unclassifiable/Attainment.
Solano County (part)...................... ........... Unclassifiable/Attainment.
That portion of Solano County which
lies south and west of a line
described as follows: Beginning at
the intersection of the westerly
boundary of Solano County and the \1/
4\ section line running east and west
through the center of Section 34, T.
6 N, R. 2.W, Mount Diablo Base and
Meridian, thence east along said \1/
4\ section line to the east boundary
of Section 36, T. 6 N, R. 2 W, thence
south \1/2\ mile and east 2.0 miles,
more or less, along the west and
south boundary of Los Putos Rancho to
the northwest corner of Section 4, T.
5 N, R. 1 W, thence east along a line
common to T. 5 N and T. 6 N to the
northeast corner of Section 3, T. 5
N, R. 1 E, thence south along section
lines to the southeast corner of
Section 10, T. 3 N, R. 1 E, thence
east along section lines to the south
\1/4\ corner of Section 8, T. 3 N, R.
2 E, thence east to the boundary
between Solano and Sacramento
Counties.
Sonoma County (part)...................... ........... Unclassifiable/Attainment.
That portion of Sonoma County which
lies south and east of a line
described as follows: Beginning at
the southeasterly corner of the
Rancho Estero Americano, being on the
boundary line between Marin and
Sonoma Counties, California; thence
running northerly along the easterly
boundary line of said Rancho Estero
Americano to the northeasterly corner
thereof, being an angle corner in the
westerly boundary line of Rancho
Canada de Jonive; thence running
along said boundary of Rancho Canada
de Jonive westerly, northerly and
easterly to its intersection with the
easterly line of Graton Road; thence
running along the easterly and
southerly line of Graton Road,
northerly and easterly to its
intersection with the easterly line
of Sullivan Road; thence running
northerly along said easterly line of
Sullivan Road to the southerly line
of Green Valley Road; thence running
easterly along the said southerly
line of Green Valley Road and
easterly along the southerly line of
State Highway 116, to the westerly
line of Vine Hill Road; thence
running along the westerly and
northerly line of Vine Hill Road,
northerly and easterly to its
intersection with the westerly line
of Laguna Road; thence running
northerly along the westerly line of
Laguna Road and the northerly
projection thereof to the northerly
line of Trenton Road; thence running
westerly along the northerly line of
said Trenton Road to the easterly
line of Trenton-Healdsburg Road;
thence running northerly along said
easterly line of Trenton-Healdsburg
Road to the easterly line of Eastside
Road; thence running northerly along
said easterly line of Eastside Road
to its intersection with the
southerly line of Rancho Sotoyome;
thence running easterly along said
southerly line of Rancho Sotoyome to
its intersection with the Township
line common to Townships 8 and 9
North, Mount Diablo Meridian; thence
running easterly along said township
line to its intersection with the
boundary line between Sonoma and Napa
Counties.Butte County AQMD:
Butte County.............................. ........... Unclassifiable/Attainment.Calaveras County AQMD:
Calaveras County.......................... ........... Unclassifiable/Attainment.Colusa County AQMD:
Colusa County............................. ........... Unclassifiable/Attainment.Eastern Kern APCD:
Kern County (part)........................ ........... Unclassifiable/Attainment.
That portion of Kern County east and
south of a line described as follows:
Beginning at the Kern-Los Angeles
County boundary and running north and
east along the northwest boundary of
the Rancho La Libre Land Grant to the
point of intersection with the range
line common to R. 16 W and R. 17 W,
San Bernardino Base and Meridian;
north along the range line to the
point of intersection with the Rancho
El Tejon Land Grant boundary; then
southeast, northeast, and northwest
along the boundary of the Rancho El
Tejon Land Grant to the northwest
corner of Section 3, T. 11 N, R. 17
W; then west 1.2 miles; then north to
the Rancho El Tejon Land Grant
boundary; then northwest along the
Rancho El Tejon line to the southeast
corner of Section 34, T. 32 S, R. 30
E, Mount Diablo Base and Meridian;
then north to the northwest corner of
Section 35, T. 31 S, R. 30 E; then
northeast along the boundary of the
Rancho El Tejon Land Grant to the
southwest corner of Section 18, T. 31
S, R. 31 E; then east to the
southeast corner of Section 13, T. 31
S, R. 31 E; then north along the
range line common to R. 31 E and R.
32 E, Mount Diablo Base and Meridian,
to the northwest corner of Section 6,
T. 29 S, R. 32 E; then east to the
southwest corner of Section 31 T. 28
S, R. 32 E; then north along the
range line common to R. 31 E and R.
32 E to the northwest corner of
Section 6, T. 28 S, R. 32 E, then
west to the southeast corner of
Section 36, T. 27 S, R. 31 E, then
north along the range line common to
R. 31 E and R. 32 E to the Kern-
Tulare County boundary.El Dorado County AQMD:
El Dorado County.......................... ........... Unclassifiable/Attainment.Feather River AQMD:
Sutter County............................. ........... Unclassifiable/Attainment.
Yuba County............................... ........... Unclassifiable/Attainment.Glenn County APCD:
Glenn County.............................. ........... Unclassifiable/Attainment.Great Basin Unified APCD:
Alpine County............................. ........... Unclassifiable/Attainment.
Inyo County............................... ........... Unclassifiable/Attainment.
Mono County............................... ........... Unclassifiable/Attainment.Imperial County APCD:
Imperial County........................... ........... Unclassifiable/Attainment.Lake County AQMD:
Lake County............................... ........... Unclassifiable/Attainment.Lassen County APCD:
Lassen County............................. ........... Unclassifiable/Attainment.Mariposa County APCD:
Mariposa County........................... ........... Unclassifiable/Attainment.Mendocino County AQMD:
Mendocino County.......................... ........... Unclassifiable/Attainment.Modoc County APCD:
Modoc County.............................. ........... Unclassifiable/Attainment.Mojave Desert AQMD:
Riverside County (part)................... ........... Unclassifiable/Attainment.
That portion of Riverside County which
lies east of a line described as
follows: Beginning at the southwest
corner of Section 32, T. 8 S, R. 20
E, San Bernardino Base and Meridian,
on the Riverside-Imperial County
Boundary; then northerly along
section lines to the northwest corner
of Section 5, T. 7 S, R. 20 E; then
westerly along the township line to
the southwest corner of Section 31,
T. 6 S, R. 19 E; then northerly along
the range line to the northwest
corner of Section 6, T. 5 S, R. 19 E;
then easterly along the township line
to the southwest corner of Section
33, T. 4 S, R. 19 E; then northerly
along section lines to the northwest
corner of Section 4, T. 4 S, R. 19 E;
then westerly along the township
lines to the southwest corner of
Section 32, T. 3 S, R. 19 E; then
northerly along section lines to the
northwest corner of Section 17, T. 3
S, R. 19 E; then westerly along the
township line to the southwest corner
of Section 7, T. 3 S, R. 19 E; then
northerly along section lines to the
northwest corner of Section 30, T. 2
S, R. 19 E; then westerly along the
southerly line of Section 24, T. 2 S,
R. 18 E, to the southwest corner
thereof; then northerly along section
lines to the northwest corner of
Section 13, T. 2 S, R. 18 E; then
westerly along section lines to the
southwest corner of Section 10, T. 2
S, R. 18 E; then northerly along
section lines to the Riverside-San
Bernardino County boundary.
San Bernardino County (part).............. ........... Unclassifiable/Attainment.
That portion of San Bernardino County
east and north of a line described as
follows: Beginning at the San
Bernardino-Riverside County boundary
and running north along the range
line common to R. 3 E and R. 2 E, San
Bernardino Base and Meridian; then
west along the township line common
to T. 3 N and T. 2 N to the San
Bernardino-Los Angeles County
boundary.Monterey Bay Unified APCD:
Monterey County........................... ........... Unclassifiable/Attainment.
San Benito County......................... ........... Unclassifiable/Attainment.
Santa Cruz County......................... ........... Unclassifiable/Attainment.North Coast Unified AQMD:
Del Norte County.......................... ........... Unclassifiable/Attainment.
Humboldt Count............................ ........... Unclassifiable/Attainment.
Trinity County............................ ........... Unclassifiable/Attainment.Northern Sierra AQMD:
Nevada County............................. ........... Unclassifiable/Attainment.
Plumas County............................. ........... Unclassifiable/Attainment.
Sierra County............................. ........... Unclassifiable/Attainment.Northern Sonoma County APCD:
Sonoma County (part)...................... ........... Unclassifiable/Attainment.
That portion of Sonoma County which
lies north and west of a line
described as follows: Beginning at
the southeasterly corner of the
Rancho Estero Americano, being on the
boundary line between Marin and
Sonoma Counties, California; thence
running northerly along the easterly
boundary line of said Rancho Estero
Americano to the northeasterly corner
thereof, being an angle corner in the
westerly boundary line of Rancho
Canada de Jonive; thence running
along said boundary of Rancho Canada
de Jonive westerly, northerly and
easterly to its intersection with the
easterly line of Graton Road; thence
running along the easterly and
southerly line of Graton Road,
northerly and easterly to its
intersection with the easterly line
of Sullivan Road; thence running
northerly along said easterly line of
Sullivan Road to the southerly line
of Green Valley Road; thence running
easterly along the said southerly
line of Green Valley Road and
easterly along the southerly line of
State Highway 116, to the westerly
line of Vine Hill Road; thence
running along the westerly and
northerly line of Vine Hill Road,
northerly and easterly to its
intersection with the westerly line
of Laguna Road; thence running
northerly along the westerly line of
Laguna Road and the northerly
projection thereof to the northerly
line of Trenton Road; thence running
westerly along the northerly line of
said Trenton Road to the easterly
line of Trenton-Healdsburg Road;
thence running northerly along said
easterly line of Trenton-Healdsburg
Road to the easterly line of Eastside
Road; thence running northerly along
said easterly line of Eastside Road
to its intersection with the
southerly line of Rancho Sotoyome;
thence running easterly along said
southerly line of Rancho Sotoyome to
its intersection with the Township
line common to Townships 8 and 9
North, Mount Diablo Meridian; thence
running easterly along said township
line to its intersection with the
boundary line between Sonoma and Napa
Counties.Placer County APCD:
Placer County............................. ........... Unclassifiable/Attainment.Sacramento Metropolitan AQMD:
Sacramento County......................... ........... Unclassifiable/Attainment.San Diego County APCD:
San Diego County.......................... ........... Unclassifiable/Attainment.San Joaquin Valley Unified APCD:
Fresno County............................. ........... Unclassifiable/Attainment.
Kern County (part)........................ ........... Unclassifiable/Attainment.
That portion of Kern County which lies
west and north of a line described as
follows: Beginning at the Kern-Los
Angeles County boundary and running
north and east along the northwest
boundary of the Rancho La Libre Land
Grant to the point of intersection
with the range line common to R. 16 W
and R. 17 W, San Bernardino Base and
Meridian; north along the range line
to the point of intersection with the
Rancho El Tejon Land Grant boundary;
then southeast, northeast, and
northwest along the boundary of the
Rancho El Tejon Land Grant to the
northwest corner of Section 3, T. 11
N, R. 17 W; then west 1.2 miles; then
north to the Rancho El Tejon Land
Grant boundary; then northwest along
the Rancho El Tejon line to the
southeast corner of Section 34, T. 32
S, R. 30 E, Mount Diablo Base and
Meridian; then north to the northwest
corner of Section 35, T. 31 S, R. 30
E; then northeast along the boundary
of the Rancho El Tejon Land Grant to
the southwest corner of Section 18,
T. 31 S, R. 31 E; then east to the
southeast corner of Section 13, T. 31
S, R. 31 E; then north along the
range line common to R. 31 E and R.
32 E, Mount Diablo Base and Meridian,
to the northwest corner of Section 6,
T. 29 S, R. 32 E; then east to the
southwest corner of Section 31, T. 28
S, R. 32 E; then north along the
range line common to R. 31 E and R.
32 E to the northwest corner of
Section 6, T. 28 S, R. 32 E, then
west to the southeast corner of
Section 36, T. 27 S, R. 31 E, then
north along the range line common to
R. 31 E and R. 32 E to the Kern-
Tulare County boundary.
Kings County.............................. ........... Unclassifiable/Attainment.
Madera County............................. ........... Unclassifiable/Attainment.
Merced County............................. ........... Unclassifiable/Attainment.
San Joaquin County........................ ........... Unclassifiable/Attainment.
Stanislaus County......................... ........... Unclassifiable/Attainment.
Tulare County............................. ........... Unclassifiable/Attainment.San Luis Obispo County APCD:
San Luis Obispo County.................... ........... Unclassifiable/Attainment.Santa Barbara County APCD:
Santa Barbara County...................... ........... Unclassifiable/Attainment.Shasta County AQMD:
Shasta County............................. ........... Unclassifiable/Attainment.Siskiyou County APCD:
Siskiyou County........................... ........... Unclassifiable/Attainment.South Coast AQMD:
Los Angeles County (part)................. ........... Unclassifiable/Attainment.
That portion of Los Angeles County
which lies south and west of a line
described as follows: Beginning at
the Los Angeles-San Bernardino County
boundary and running west along the
township line common to T.3 N and T.2
N, San Bernardino Base and Meridian;
then north along the range line
common to R.8 W and R.9 W; then west
along the township line common to T.4
N and T.3 N; then north along the
range line common to R.12 W and R.13
W to the southeast corner of Section
12, T.5 N, R. 13 W; then west along
the south boundaries of Sections 12,
11, 10, 9, 8, 7, T.5 N, R. 13 W to
the boundary of the Angeles National
Forest which is collinear with the
range line common to R. 13 W and R.
14 W; then north and west along the
Angeles National Forest boundary to
the point of intersection with the
township line common to T.7 N and T.
6 N (point is at the northwest corner
of Section 4 in T.6 N, R. 14 W); then
west along the township line common
to T.7 N and T.6 N; then north along
the range line common to R. 15 W and
R. 16 W to the southeast corner of
Section 13, T.7 N, R. 16 W; then
along the south boundaries of
Sections 13, 14, 15, 16, 17, 18, T.7
N, R. 16 W; then north along the
range line common to R.16 W and R. 17
W to the north boundary of the
Angeles National Forest (collinear
with township line common to T.8 N
and T.7 N); then west and north along
the Angeles National Forest boundary
to the point of intersection with the
south boundary of the Rancho La
Liebre Land Grant; then west and
north along this land grant boundary
to the Los Angeles-Kern County
boundary.
Orange County............................. ........... Unclassifiable/Attainment.
Riverside County (part)................... ........... Unclassifiable/Attainment.
That portion of Riverside County which
lies west of a line described as
follows: Beginning at the southwest
corner of Section 32, T. 8 S, R. 20
E, San Bernardino Base and Meridian,
on the Riverside-Imperial County
Boundary; then northerly along
section lines to the northwest corner
of Section 5, T. 7 S, R. 20 E; then
westerly along the township line to
the southwest corner of Section 31,
T. 6 S, R. 19 E; then northerly along
the range line to the northwest
corner of Section 6, T. 5 S, R. 19 E;
then easterly along the township line
to the southwest corner of Section
33, T. 4 S, R. 19 E; then northerly
along section lines to the northwest
corner of Section 4, T. 4 S, R. 19 E;
then westerly along the township
lines to the southwest corner of
Section 32, T. 3 S, R. 19 E; then
northerly along section lines to the
northwest corner of Section 17, T. 3
S, R. 19 E; then westerly along the
township line to the southwest corner
of Section 7, T. 3 S, R. 19 E; then
northerly along section lines to the
northwest corner of Section 30, T. 2
S, R. 19 E; then westerly along the
southerly line of Section 24, T. 2 S,
R. 18 E, to the southwest corner
thereof; then northerly along section
lines to the northwest corner of
Section 13, T. 2 S, R. 18 E; then
westerly along section lines to the
southwest corner of Section 10, T. 2
S, R. 18 E; then northerly along
section lines to the Riverside-San
Bernardino County boundary.
San Bernardino County (part).............. ........... Unclassifiable/Attainment.
That portion of San Bernardino County
west and south of a line described as
follows: Beginning at the San
Bernardino-Riverside County boundary
and running north along the range
line common to R. 3 E and R. 2 E;
then west along the township line
common to T. 3 N and T. 2 N to the
San Bernardino-Los Angeles County
boundary.Tehama County APCD:
Tehama County............................. ........... Unclassifiable/Attainment.Tuolumne County APCD:
Tuolumne County........................... ........... Unclassifiable/Attainment.Ventura County APCD:
Ventura County............................ ........... Unclassifiable/Attainment.Yolo-Solano AQMD:
Solano County............................. ........... Unclassifiable/Attainment.
That portion of Solano County which
lies north and east of a line
described as follows: Beginning at
the intersection of the westerly
boundary of Solano County and the \1/
4\ section line running east and west
through the center of Section 34, T.
6 N, R. 2 W, Mount Diablo Base and
Meridian, thence east along said \1/
4\ section line to the east boundary
of Section 36, T. 6 N, R. 2 W, thence
south \1/2\ mile and east 2.0 miles,
more or less, along the west and
south boundary of Los Putos Rancho to
the northwest corner of Section 4, T.
5 N, R. 1 W, thence east along a line
common to T. 5 N and T. 6 N to the
northeast corner of Section 3, T. 5
N, R. 1 E, thence south along section
lines to the southeast corner of
Section 10, T. 3 N, R. 1 E, thence
east along section lines to the south
\1/4\ corner of Section 8, T. 3 N, R.
2 E, thence east to the boundary
between Solano and Sacramento
Counties.
Yolo County............................... ........... Unclassifiable/Attainment.----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.\1\ This date is 90 days after October 31, 2011, unless otherwise noted.
California--1997 8-Hour Ozone NAAQS (Primary and Secondary)----------------------------------------------------------------------------------------------------------------
Designation \a\ Category/classification
Designated area ---------------------------------------------------------------------------
Date \1\ Type Date \1\ Type----------------------------------------------------------------------------------------------------------------Amador and Calaveras Cos., CA:(Central Mountain Cos.).............
Amador County................... ......... Nonattainment 6/13/12 Subpart 2/Moderate.
Calaveras County................ ......... Nonattainment 6/13/12 Subpart 2/Moderate.Chico, CA:
Butte County.................... ......... Nonattainment 6/13/12 Subpart 2/Marginal.Kern County (Eastern Kern), CA
Kern County (part).............. ......... Nonattainment 6/13/12 Subpart 2/Moderate.
That portion of Kern County
(with the exception of that
portion in Hydrologic Unit
Number 18090205--the Indian
Wells Valley) east and south of
a line described as follows:
Beginning at the Kern-Los
Angeles County boundary and
running north and east along
the northwest boundary of the
Rancho La Liebre Land Grant to
the point of intersection with
the range line common to Range
16 West and Range 17 West, San
Bernardino Base and Meridian;
north along the range line to
the point of intersection with
the Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest along
the boundary of the Rancho El
Tejon Grant to the northwest
corner of Section 3, Township
11 North, Range 17 West; then
west 1.2 miles; then north to
the Rancho El Tejon Land Grant
boundary; then northwest along
the Rancho El Tejon line to the
southeast corner of Section 34,
Township 32 South, Range 30
East, Mount Diablo Base and
Meridian; then north to the
northwest corner of Section 35,
Township 31 South, Range 30
East; then northeast along the
boundary of the Rancho El Tejon
Land Grant to the southwest
corner of Section 18, Township
31 South, Range 31 East; then
east to the southeast corner of
Section 13, Township 31 South,
Range 31 East; then north along
the range line common to Range
31 East and Range 32 East,
Mount Diablo Base and Meridian,
to the northwest corner of
Section 6, Township 29 South,
Range 32 East; then east to the
southwest corner of Section 31,
Township 28 South, Range 32
East; then north along the
range line common to Range 31
East and Range 32 East to the
northwest corner of Section 6,
Township 28 South, Range 32
East, then west to the
southeast corner of Section 36,
Township 27 South, Range 31
East, then north along the
range line common to Range 31
East and Range 32 East to the
Kern-Tulare County boundary.Imperial County, CA: Imperial County ......... Nonattainment 3/14/08 Subpart 2/Moderate.Los Angeles--South Coast Air Basin, ......... Nonattainment (\2\) Subpart 2/Extreme.
CA: d f.
Los Angeles County (part)....... ......... Nonattainment (\2\) Subpart 2/Extreme.
That portion of Los Angeles
County which lies south and
west of a line described as
follows: Beginning at the
Los Angeles-San Bernardino
County boundary and running
west along the Township
line common to Township 3
North and Township 2 North,
San Bernardino Base and
Meridian; then north along
the range line common to
Range 8 West and Range 9
West; then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range line
common to Range 12 West and
Range 13 West to the
southeast corner of Section
12, Township 5 North and
Range 13 West; then west
along the south boundaries
of Sections 12, 11, 10, 9,
8, and 7, Township 5 North
and Range 13 West to the
boundary of the Angeles
National Forest which is
collinear with the range
line common to Range 13
West and Range 14 West;
then north and west along
the Angeles National Forest
boundary to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
then west along the
Township line common to
Township 7 North and
Township 6 North; then
north along the range line
common to Range 15 West and
Range 16 West to the
southeast corner of Section
13, Township 7 North and
Range 16 West; then along
the south boundaries of
Sections 13, 14, 15, 16,
17, and 18, Township 7
North and Range 16 West;
then north along the range
line common to Range 16
West and Range 17 West to
the north boundary of the
Angeles National Forest
(collinear with the
Township line common to
Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the south
boundary of the Rancho La
Liebre Land Grant; then
west and north along this
land grant boundary to the
Los Angeles-Kern County
boundary.
Orange County................... ......... Nonattainment (\2\) Subpart 2/Extreme.
Riverside County (part)......... ......... Nonattainment (\2\) Subpart 2/Extreme.
That portion of Riverside
County which lies to the
west of a line described as
follows: Beginning at the
Riverside-San Diego County
boundary and running north
along the range line common
to Range 4 East and Range 3
East, San Bernardino Base
and Meridian; then east
along the Township line
common to Township 8 South
and Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the Township line
common to Township 6 South
and Township 7 South to the
southwest corner of Section
34, Township 6 South, Range
4 East; then north along
the west boundaries of
Sections 34, 27, 22, 15,
10, and 3, Township 6
South, Range 4 East; then
west along the Township
line common to Township 5
South and Township 6 South;
then north along the range
line common to Range 4 East
and Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15, 16,
17, and 18, Township 5
South, Range 3 East; then
north along the range line
common to Range 2 East and
Range 3 East; to the
Riverside-San Bernardino
County line.
San Bernardino County (part).... ......... Nonattainment (\2\) Subpart 2/Extreme.
That portion of San
Bernardino County which
lies south and west of a
line described as follows:
Beginning at the San
Bernardino-Riverside County
boundary and running north
along the range line common
to Range 3 East and Range 2
East, San Bernardino Base
and Meridian; then west
along the Township line
common to Township 3 North
and Township 2 North to the
San Bernardino-Los Angeles
County boundary.Pechanga Reservation \c\............ April 3, Attainment.
2015Morongo Band of Mission Indians \e\. ......... Nonattainment ......... Subpart 2/Severe-17.Los Angeles and San Bernardino ......... Nonattainment 6/7/2012 Subpart 2/Severe-15.
Counties (Western Mojave Desert),
CA.Los Angeles County (part)........... ......... Nonattainment 6/7/2012 Subpart 2/Severe-15.
That portion of Los Angeles
County which lies north and
east of a line described as
follows: Beginning at the Los
Angeles-San Bernardino County
boundary and running west along
the Township line common to
Township 3 North and Township 2
North, San Bernardino Base and
Meridian; then north along the
range line common to Range 8
West and Range 9 West; then
west along the Township line
common to Township 4 North and
Township 3 North; then north
along the range line common to
Range 12 West and Range 13 West
to the southeast corner of
Section 12, Township 5 North
and Range 13 West; then west
along the south boundaries of
Sections 12, 11, 10, 9, 8, and
7, Township 5 North and Range
13 West to the boundary of the
Angeles National Forest which
is collinear with the range
line common to Range 13 West
and Range 14 West; then north
and west along the Angeles
National Forest boundary to the
point of intersection with the
Township line common to
Township 7 North and Township 6
North (point is at the
northwest corner of Section 4
in Township 6 North and Range
14 West); then west along the
Township line common to
Township 7 North and Township 6
North; then north along the
range line common to Range 15
West and Range 16 West to the
southeast corner of Section 13,
Township 7 North and Range 16
West; then along the south
boundaries of Sections 13, 14,
15, 16, 17, and 18, Township 7
North and Range 16 West; then
north along the range line
common to Range 16 West and
Range 17 West to the north
boundary of the Angeles
National Forest (collinear with
the Township line common to
Township 8 North and Township 7
North); then west and north
along the Angeles National
Forest boundary to the point of
intersection with the south
boundary of the Rancho La
Liebre Land Grant; then west
and north along this land grant
boundary to the Los Angeles-
Kern County boundary.San Bernardino County (part)........ ......... Nonattainment 6/7/2012 Subpart 2/Severe-15.
That portion of San Bernardino
County which lies north and
east of a line described as
follows: Beginning at the San
Bernardino-Riverside County
boundary and running north
along the range line common to
Range 3 East and Range 2 East,
San Bernardino Base and
Meridian; then west along the
Township line common to
Township 3 North and Township 2
North to the San Bernardino-Los
Angeles County boundary; And
that portion of San Bernardino
County which lies south and
west of a line described as
follows: latitude 35 degrees,
10 minutes north and longitude
115 degrees, 45 minutes west..Mariposa and Tuolumne Cos., CA:(Southern Mountain Counties)
Mariposa County................. ......... Nonattainment 6/13/12 Subpart 2/Moderate.
Tuolumne County................. ......... Nonattainment 6/13/12 Subpart 2/Moderate.Riverside Co. (Coachella Valley), CA ......... Nonattainment (\2\) Subpart 2/Severe-15.
Riverside County (part)......... ......... Nonattainment (\2\) Subpart 2/Severe-15.
That portion of Riverside
County which lies to the
east of a line described as
follows: Beginning at the
Riverside-San Diego County
boundary and running north
along the range line common
to Range 4 East and Range 3
East, San Bernardino Base
and Meridian; then east
along the Township line
common to Township 8 South
and Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the Township line
common to Township 6 South
and Township 7 South to the
southwest corner of Section
34, Township 6 South, Range
4 East; then north along
the west boundaries of
Sections 34, 27, 22, 15,
10, and 3, Township 6
South, Range 4 East; then
west along the Township
line common to Township 5
South and Township 6 South;
then north along the range
line common to Range 4 East
and Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15, 16,
17, and 18, Township 5
South, Range 3 East; then
north along the range line
common to Range 2 East and
Range 3 East; to the
Riverside-San Bernardino
County line. And that
portion of Riverside County
which lies to the west of a
line described as follows:
That segment of the
southwestern boundary line
of Hydrologic Unit Number
18100100 within Riverside
County, further described
as follows: Beginning at
the Riverside-Imperial
County boundary and running
north along the range line
common to Range 17 East and
Range 16 East, San
Bernardino Base and
Meridian; then northwest
along the ridge line of the
Chuckwalla Mountains,
through Township 8 South,
Range 16 East and Township
7 South, Range 16 East,
until the Black Butte
Mountain, elevation 4504';
then west and northwest
along the ridge line to the
southwest corner of
Township 5 South, Range 14
East; then north along the
range line common to Range
14 East and Range 13 East;
then west and northwest
along the ridge line to
Monument Mountain,
elevation 4834'; then
southwest and then
northwest along the ridge
line of the Little San
Bernardino Mountains to
Quail Mountain, elev.
5814'; then northwest along
the ridge line to the
Riverside-San Bernardino
County line.Sacramento Metro, CA................ ......... Nonattainment (\2\) Subpart 2/Severe-15.
El Dorado County (part)......... ......... Nonattainment (\2\) Subpart 2/Severe-15.
All portions of the county,
except that portion of El
Dorado County within the
drainage area naturally
tributary to Lake Tahoe
including said Lake.
Placer County (part)............ ......... Nonattainment (\2\) Subpart 2/Severe-15.
All portions of the county
except that portion of
Placer County within the
drainage area naturally
tributary to Lake Tahoe
including said Lake, plus
that area in the vicinity
of the head of the Truckee
River described as follows:
Commencing at the point
common to the
aforementioned drainage
area crestline and the line
common to Townships 15
North and 16 North, Mount
Diablo Base and Meridian,
and following that line in
a westerly direction to the
northwest corner of Section
3, Township 15 North, Range
16 East, Mount Diablo Base
and Meridian, thence south
along the west line of
Sections 3 and 10, Township
15 North, Range 16 East,
Mount Diablo Base and
Meridian, to the
intersection with the said
drainage area crestline,
thence following the said
drainage area boundary in a
southeasterly, then
northeasterly direction to
and along the Lake Tahoe
Dam, thence following the
said drainage area
crestline in a
northeasterly, then
northwesterly direction to
the point of beginning.
Sacramento County............... ......... Nonattainment (\2\) Subpart 2/Severe-15.
Solano County (part)............ ......... Nonattainment (\2\) Subpart 2/Severe-15.
That portion of Solano
County which lies north and
east of a line described as
follows: Beginning at the
intersection of the
westerly boundary of Solano
County and the \1/4\
section line running east
and west through the center
of Section 34; Township 6
North, Range 2 West, Mount
Diablo Base and Meridian,
thence east along said \1/
4\ section line to the east
boundary of Section 36,
Township 6 North, Range 2
West, thence south \1/2\
mile and east 2.0 miles,
more or less, along the
west and south boundary of
Los Putos Rancho to the
northwest corner of Section
4, Township 5 North, Range
1 West, thence east along a
line common to Township 5
North and Township 6 North
to the northeast corner of
Section 3, Township 5
North, Range 1 East, thence
south along section lines
to the southeast corner of
Section 10, Township 3
North, Range 1 East, thence
east along section lines to
the south \1/4\ corner of
Section 8, Township 3
North, Range 2 East, thence
east to the boundary
between Solano and
Sacramento Counties.
Sutter County (part)............ ......... Nonattainment (\2\) Subpart 2/Severe-15.
Portion south of a line
connecting the northern
border of Yolo County to
the SW tip of Yuba County
and continuing along the
southern Yuba County border
to Placer County.
Yolo County..................... ......... Nonattainment (\2\) Subpart 2/Severe-15.San Diego, CA
San Diego County (part)\f\......
That portion of San Diego July 5, Attainment.
County that excludes the 2013
areas listed below: La
Posta Areas #1 and #2,\b\
Cuyapaipe Area,\b\
Manzanita Area,\b\ Campo
Areas #1 and #2\b\.
La Posta Areas #1 and #2 \b\.... ......... Unclassifiable/Attainment.
Cuyapaipe Area \b\.............. ......... Unclassifiable/Attainment.
Manzanita Area \b\.............. ......... Unclassifiable/Attainment.Campo Areas #1 and #2 \b\........... ......... Unclassifiable/Attainment.San Francisco Bay Area, CA.......... ......... Nonattainment ......... Subpart 2/Marginal.
Alameda County.................. ......... Nonattainment ......... Subpart 2/Marginal.
Contra Costa County............. ......... Nonattainment ......... Subpart 2/Marginal.
Marin County.................... ......... Nonattainment ......... Subpart 2/Marginal.
Napa County..................... ......... Nonattainment ......... Subpart 2/Marginal.
San Francisco County............ ......... Nonattainment ......... Subpart 2/Marginal.
San Mateo County................ ......... Nonattainment ......... Subpart 2/Marginal.
Santa Clara County.............. ......... Nonattainment ......... Subpart 2/Marginal.
Solano County (part)............ ......... Nonattainment ......... Subpart 2/Marginal.
Portion of Solano County
which lies south and west
of a line described as
follows: Beginning at the
intersection of the
westerly boundary of Solano
County and the \1/4\
section line running east
and west through the center
of Section 34, T6N, R2W,
M.D.B. & M., thence east
along said \1/4\ section
line to the east boundary
of Section 36, T6N, R2W,
thence south \1/2\ mile and
east 2.0 miles, more or
less, along the west and
south boundary of Los Putos
Rancho to the northwest
corner of Section 4, T5N,
R1W, thence east along a
line common to T5N and T6N
to the northeast corner of
Section 3, T5N, R1E, thence
south along section lines
to the southeast corner of
Section 10, T3N, R1E,
thence east along section
lines to the south \1/4\
corner of Section 8, T3N,
R2E, thence east to the
boundary between Solano and
Sacramento Counties.
Sonoma County (part)............ ......... Nonattainment ......... Subpart 2/Marginal.
That portion of Sonoma
County which lies south and
east of a line described as
follows: Beginning at the
southeasterly corner of the
Rancho Estero Americano,
being on the boundary line
between Marin and Sonoma
Counties, California;
thence running northerly
along the easterly boundary
line of said Rancho Estero
Americano to the
northeasterly corner
thereof, being an angle
corner in the westerly
boundary line of Rancho
Canada de Jonive; thence
running along said boundary
of Rancho Canada de Jonive
westerly, northerly and
easterly to its
intersection with the
easterly line of Graton
Road; thence running along
the easterly and southerly
line of Graton Road,
northerly and easterly to
its intersection with the
easterly line of Sullivan
Road; thence running
northerly along said
easterly line of Sullivan
Road to the southerly line
of Green Valley Road;
thence running easterly
along the said southerly
line of Green Valley Road
and easterly along the
southerly line of State
Highway 116, to the
westerly line of Vine Hill
Road; thence running along
the westerly and northerly
line of Vine Hill Road,
northerly and easterly to
its intersection with the
westerly line of Laguna
Road; thence running
northerly along the
westerly line of Laguna
Road and the northerly
projection thereof to the
northerly line of Trenton
Road; thence running
westerly along the
northerly line of said
Trenton Road to the
easterly line of Trenton-
Healdsburg Road; thence
running northerly along
said easterly line of
Trenton-Healdsburg Road to
the easterly line of
Eastside Road; thence
running northerly along
said easterly line of
Eastside Road to its
intersection with the
southerly line of Rancho
Sotoyome; thence running
easterly along said
southerly line of Rancho
Sotoyome to its
intersection with the
Township line common to
Townships 8 and 9 North,
M.D.M.; thence running
easterly along said
township line to its
intersection with the
boundary line between
Sonoma and Napa Counties.San Joaquin Valley, CA.............. ......... Nonattainment (\2\) Subpart 2/Extreme.
Fresno County................... ......... Nonattainment (\2\) Subpart 2/Extreme.
Kern County (part).............. ......... Nonattainment (\2\) Subpart 2/Extreme.
That portion of Kern County
which lies west and north
of a line described as
follows: Beginning at the
Kern-Los Angeles County
boundary and running north
and east along the
northwest boundary of the
Rancho La Libre Land Grant
to the point of
intersection with the range
line common to R. 16 W. and
R. 17 W., San Bernardino
Base and Meridian; north
along the range line to the
point of intersection with
the Rancho El Tejon Land
Grant boundary; then
southeast, northeast, and
northwest along the
boundary of the Rancho El
Tejon Land Grant to the
northwest corner of S. 3,
T. 11 N., R. 17 W.; then
west 1.2 miles; then north
to the Rancho El Tejon Land
Grant boundary; then
northwest along the Rancho
El Tejon line to the
southeast corner of S. 34,
T. 32 S., R. 30 E., Mount
Diablo Base and Meridian;
then north to the northwest
corner of S. 35, T. 31 S.,
R. 30 E.; then northeast
along the boundary of the
Rancho El Tejon Land Grant
to the southwest corner of
S. 18, T. 31 S., R. 31 E.;
then east to the southeast
corner of S. 13, T. 31 S.,
R. 31 E.; then north along
the range line common to R.
31 E. and R. 32 E., Mount
Diablo Base and Meridian,
to the northwest corner of
S. 6, T. 29 S., R. 32 E.;
then east to the southwest
corner of S. 31, T. 28 S.,
R. 32 E.; then north along
the range line common to R.
31 E. and R. 32 E. to the
northwest corner of S. 6,
T. 28 S., R. 32 E., then
west to the southeast
corner of S. 36, T. 27 S.,
R. 31 E., then north along
the range line common to R.
31 E. and R. 32 E. to the
Kern-Tulare County
boundary.
Kings County.................... ......... Nonattainment (\2\) Subpart 2/Extreme.
Madera County................... ......... Nonattainment (\2\) Subpart 2/Extreme.
Merced County................... ......... Nonattainment (\2\) Subpart 2/Extreme.
San Joaquin County.............. ......... Nonattainment (\2\) Subpart 2/Extreme.
Stanislaus County............... ......... Nonattainment (\2\) Subpart 2/Extreme.
Tulare County................... ......... Nonattainment (\2\) Subpart 2/Extreme.Sutter County (part), CA:Sutter County (part)
(Sutter Buttes) That portion of ......... Nonattainment 6/13/12 Subpart 2/Marginal.
the Sutter Buttes mountain
range at or above 2,000 feet in
elevation.
Remainder of County............. ......... Unclassifiable/AttainmentVentura County, CA:
Ventura County (part)--That part ......... Nonattainment 6/19/08 Subpart 2/Serious.
of Ventura County excluding the
Channel Islands of Anacapa and
San Nicolas Islands..
Remainder of County............. ......... Unclassifiable/AttainmentNevada County (Western part), CA....Nevada County (part)................
That portion of Nevada County, ......... Nonattainment 6/13/12 Subpart 2/Moderate.
which lies west of a line,
described as follows: beginning
at the Nevada-Placer County
boundary and running north
along the western boundaries of
Sections 24, 13, 12, 1,
Township 17 North, Range 14
East, Mount Diablo Base and
Meridian, and Sections 36, 25,
24, 13, 12, Township 18 North,
Range 14 East to the Nevada-
Sierra County boundary.Santa Barbara-Santa Maria-Lompoc,
CA:
Santa Barbara County............ ......... Unclassifiable/AttainmentMohave Desert Air Basin:
Riverside County (part) ......... Unclassifiable/Attainment
remainder.
San Bernardino County (part) ......... Unclassifiable/Attainment
remainder.Great Basin Valleys Air Basin....... ......... Unclassifiable/Attainment
Alpine County
Inyo County
Mono CountyLake County Air Basin............... ......... Unclassifiable/Attainment
Lake CountyLake Tahoe Air Basin................ ......... Unclassifiable/Attainment
El Dorado County (part)
Lake Tahoe Area: As
described under 40 CFR
81.275.
Placer County (part)
Lake Tahoe Area: As
described under 40 CFR
81.275.Monterey Bay Area................... ......... Unclassifiable/Attainment
Monterey County
San Benito County
Santa Cruz CountyMountain Counties Air Basin
(remainder of):
Nevada County (part) remainder.. ......... Unclassifiable/Attainment
Plumas County................... ......... Unclassifiable/Attainment
Sierra County................... ......... Unclassifiable/AttainmentNorth Coast Air Basin............... ......... Unclassifiable/Attainment
Del Norte County
Humboldt County
Mendocino County
Sonoma County (part) remainder
Trinity CountyNortheast Plateau Air Basin......... ......... Unclassifiable/Attainment
Lassen County
Modoc County
Siskiyou CountySacramento Valley Air Basin
(remainder of):
Colusa County................... ......... Unclassifiable/Attainment
Glenn County.................... ......... Unclassifiable/Attainment
Shasta County................... ......... Unclassifiable/Attainment
Tehama County................... ......... Unclassifiable/Attainment
Yuba County..................... ......... Unclassifiable/AttainmentSouth Central Coast Air Basin:
(remainder of)
Channel Islands................. ......... Unclassifiable/Attainment
San Luis Obispo County.......... ......... Unclassifiable/Attainment----------------------------------------------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as otherwise specified.
\b\ The boundaries for these designated areas are based on coordinates of latitude and longitude derived from
EPA Region 9's GIS database and are illustrated in a map entitled ``Eastern San Diego County Attainment Areas
for the 8-Hour Ozone NAAQS,'' dated March 9, 2004, including an attached set of coordinates. The map and
attached set of coordinates are available at EPA's Region 9 Air Division office. The designated areas roughly
approximate the boundaries of the reservations for these tribes, but their inclusion in this table is intended
for CAA planning purposes only and is not intended to be a federal determination of the exact boundaries of
the reservations. Also, the specific listing of these tribes in this table does not confer, deny, or withdraw
Federal recognition of any of the tribes so listed nor any of the tribes not listed.\c\ The use of reservation boundaries for this designation is for purposes of CAA planning only and is not
intended to be a federal determination of the exact boundaries of the reservations. Nor does the specific
listing of the Tribes in this table confer, deny, or withdraw Federal recognition of any of the Tribes listed
or not listed.\d\ Excludes Morongo Band of Mission Indians' Indian country in Riverside County.\e\ Includes Indian country of the tribe listed in this table. Information pertaining to areas of Indian country
in this table is intended for CAA planning purposes only and is not an EPA determination of Indian country
status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is
making no determination of Indian country boundaries, in this table.\f\ Excludes the Pechanga Reservation.\1\ This date is June 15, 2004, unless otherwise noted.\2\ This date is June 4, 2010.
California--2008 8-Hour Ozone NAAQS (Primary and secondary)----------------------------------------------------------------------------------------------------------------
Designation Classification
Designated area ---------------------------------------------------------------------------
Date \1\ Type Date \1\ Type----------------------------------------------------------------------------------------------------------------Calaveras County, CA: \2\ Calaveras ......... Nonattainment ......... Marginal.
County.Chico (Butte County), CA: \2\ ......... Nonattainment ......... Marginal.
Butte County
Berry Creek Rancheria of Maidu
Indians of California \3\
Enterprise Rancheria of Maidu
Indians of California \3\.
Mechoopda Indian Tribe of Chico
Rancheria \3\.
Mooretown Rancheria of Maidu
Indians of California \3\.Imperial County, CA: \2\............ ......... Nonattainment ......... Marginal.
Imperial County
Quechan Tribe of the Fort Yuma
Indian Reservation \3\.
Torres Martinez Desert Cahuilla
Indians \3\.Kern County (Eastern Kern), CA: \2\ ......... Nonattainment ......... Marginal.
Kern County (part)
That portion of Kern County
(with the exception of that
portion in Hydrologic Unit
Number 18090205--the Indian
Wells Valley) east and
south of a line described
as follows: Beginning at
the Kern-Los Angeles County
boundary and running north
and east along the
northwest boundary of the
Rancho La Liebre Land Grant
to the point of
intersection with the range
line common to Range 16
West and Range 17 West, San
Bernardino Base and
Meridian; north along the
range line to the point of
intersection with the
Rancho El Tejon Land Grant
boundary; then southeast,
northeast, and northwest
along the boundary of the
Rancho El Tejon Grant to
the northwest corner of
Section 3, Township 11
North, Range 17 West; then
west 1.2 miles; then north
to the Rancho El Tejon Land
Grant boundary; then
northwest along the Rancho
El Tejon line to the
southeast corner of Section
34, Township 32 South,
Range 30 East, Mount Diablo
Base and Meridian; then
north to the northwest
corner of Section 35,
Township 31 South, Range 30
East; then northeast along
the boundary of the Rancho
El Tejon Land Grant to the
southwest corner of Section
18, Township 31 South,
Range 31 East; then east to
the southeast corner of
Section 13, Township 31
South, Range 31 East; then
north along the range line
common to Range 31 East and
Range 32 East, Mount Diablo
Base and Meridian, to the
northwest corner of Section
6, Township 29 South, Range
32 East; then east to the
southwest corner of Section
31, Township 28 South,
Range 32 East; then north
along the range line common
to Range 31 East and Range
32 East to the northwest
corner of Section 6,
Township 28 South, Range 32
East, then west to the
southeast corner of Section
36, Township 27 South,
Range 31 East, then north
along the range line common
to Range 31 East and Range
32 East to the Kern-Tulare
County boundary.Los Angeles-San Bernardino Counties ......... Nonattainment ......... Severe 15.
(West Mojave Desert), CA: \2\.
Los Angeles County (part)
That portion of Los Angeles
County which lies north and
east of a line described as
follows: Beginning at the
Los Angeles-San Bernardino
County boundary and running
west along the Township
line common to Township 3
North and Township 2 North,
San Bernardino Base and
Meridian; then north along
the range line common to
Range 8 West and Range 9
West; then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range line
common to Range 12 West and
Range 13 West to the
southeast corner of Section
12, Township 5 North and
Range 13 West; then west
along the south boundaries
of Sections 12, 11, 10, 9,
8, and 7, Township 5 North
and Range 13 West to the
boundary of the Angeles
National Forest which is
collinear with the range
line common to Range 13
West and Range 14 West;
then north and west along
the Angeles National Forest
boundary to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
then west along the
Township line common to
Township 7 North and
Township 6 North; then
north along the range line
common to Range 15 West and
Range 16 West to the
southeast corner of Section
13, Township 7 North and
Range 16 West; then along
the south boundaries of
Sections 13, 14, 15, 16,
17, and 18, Township 7
North and Range 16 West;
then north along the range
line common to Range 16
West and Range 17 West to
the north boundary of the
Angeles National Forest
(collinear with the
Township line common to
Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the south
boundary of the Rancho La
Liebre Land Grant; then
west and north along this
land grant boundary to the
Los Angeles-Kern County
boundary.
San Bernardino County (part)
That portion of San
Bernardino County which
lies north and east of a
line described as follows:
Beginning at the San
Bernardino-Riverside County
boundary and running north
along the range line common
to Range 3 East and Range 2
East, San Bernardino Base
and Meridian; then west
along the Township line
common to Township 3 North
and Township 2 North to the
San Bernardino-Los Angeles
County boundary; and that
portion of San Bernardino
County which lies south and
west of a line described as
follows: latitude 35
degrees, 10 minutes north
and longitude 115 degrees,
45 minutes west.
Twenty-Nine Palms Band of
Mission Indians of California
\3\.Los Angeles-South Coast Air Basin, ......... Nonattainment ......... Extreme.
CA \2\.
Los Angeles County (part)
That portion of Los Angeles
County which lies south and
west of a line described as
follows: Beginning at the
Los Angeles-San Bernardino
County boundary and running
west along the Township
line common to Township 3
North and Township 2 North
San Bernardino Base and
Meridian; then north along
the range line common to
Range 8 West and Range 9
West; then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range line
common to Range 12 West and
Range 13 West to the
southeast corner of Section
12, Township 5 North and
Range 13 West; then west
along the south boundaries
of Sections 12, 11, 10, 9,
8, and 7, Township 5 North
and Range 13 West to the
boundary of the Angeles
National Forest which is
collinear with the range
line common to Range 13
West and Range 14 West;
then north and west along
the Angeles National Forest
boundary to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point is
at the northwest corner of
Section 4 in Township 6
North and Range 14 West);
then west along the
Township line common to
Township 7 North and
Township 6 North; then
north along the range line
common to Range 15 West and
Range 16 West to the
southeast corner of Section
13, Township 7 North and
Range 16 West; then along
the south boundaries of
Sections 13, 14, 15, 16,
17, and 18, Township 7
North and Range 16 West;
then north along the range
line common to Range 16
West and Range 17 West to
the north boundary of the
Angeles National Forest
(collinear with the
Township line common to
Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the south
boundary of the Rancho La
Liebre Land Grant; then
west and north along this
land grant boundary to the
Los Angeles-Kern County
boundary.
Orange County
Riverside County (part)
That portion of Riverside
County which lies to the
west of a line described as
follows: Beginning at the
Riverside-San Diego County
boundary and running north
along the range line common
to Range 4 East and Range 3
East, San Bernardino Base
and Meridian; then east
along the Township line
common to Township 8 South
and Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the southern
boundaries of Sections 25,
26, and 27, Township 7
South, Range 4 East, then
North along the west
boundaries of Sections 27,
22, 15, 10, and 3 Township
7 South, Range 4 East, then
East along the Township
line common to Township 6
South and Township 7 South
to the southwest corner of
Section 34, Township 6
South, Range 4 East; then
north along the west
boundaries of Sections 34,
27, 22, 15, 10, and 3,
Township 6 South, Range 4
East; then west along the
Township line common to
Township 5 South and
Township 6 South; then
north along the range line
common to Range 4 East and
Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15, 16,
17, and 18, Township 5
South, Range 3 East; then
north along the range line
common to Range 2 East and
Range 3 East; to the
Riverside-San Bernardino
County line.
San Bernardino County (part)
That portion of San
Bernardino County which
lies south and west of a
line described as follows:
Beginning at the San
Bernardino-Riverside County
boundary and running north
along the range line common
to Range 3 East and Range 2
East, San Bernardino Base
and Meridian; then west
along the Township line
common to Township 3 North
and Township 2 North to the
San Bernardino-Los Angeles
County boundary.
Cahuilla Band of Mission Indians
of the Cahuilla Reservation \3\.
Ramona Band of Cahuilla \3\.....
San Manuel Band of Mission
Indians \3\.
Soboba Band of Luiseno Indians
\3\.Mariposa County, CA: \2\ Mariposa ......... Nonattainment ......... Marginal.
County.Nevada County (Western part), CA: ......... Nonattainment ......... Marginal.
\2\.
Nevada County (part)
That portion of Nevada
County, which lies west of
a line, described as
follows: Beginning at the
Nevada-Placer County
boundary and running north
along the western
boundaries of Sections 24,
13, 12, 1, Township 17
North, Range 14 East, Mount
Diablo Base and Meridian,
and Sections 36, 25, 24,
13, 12, Township 18 North,
Range 14 East to the Nevada-
Sierra County boundary.Riverside County (Coachella Valley), ......... Nonattainment ......... Severe 15.
CA: \2\.
Riverside County (part)
That portion of Riverside
County which lies to the
east of a line described as
follows: Beginning at the
Riverside-San Diego County
boundary and running north
along the range line common
to Range 4 East and Range 3
East, San Bernardino Base
and Meridian; then east
along the Township line
common to Township 8 South
and Township 7 South; then
north along the range line
common to Range 5 East and
Range 4 East; then west
along the Township line
common to Township 6 South
and Township 7 South to the
southwest corner of Section
34, Township 6 South, Range
4 East; then north along
the west boundaries of
Sections 34, 27, 22, 15,
10, and 3, Township 6
South, Range 4 East; then
west along the Township
line common to Township 5
South and Township 6 South;
then north along the range
line common to Range 4 East
and Range 3 East; then west
along the south boundaries
of Sections 13, 14, 15, 16,
17, and 18, Township 5
South, Range 3 East; then
north along the range line
common to Range 2 East and
Range 3 East; to the
Riverside-San Bernardino
County line. And that
portion of Riverside County
which lies to the west of a
line described as follows:
That segment of the
southwestern boundary line
of hydrologic Unit Number
18100100 within Riverside
County.
Agua Caliente Band of Cahuilla
Indians of the Agua Caliente
Indian Reservation \3\.
Augustine Band of Cahuilla
Indians \3\.
Cabazon Band of Mission Indians
\3\.
Santa Rosa Band of Cahuilla
Indians \3\.
Torres Martinez Desert Cahuilla
Indians \3\.
Twenty-Nine Palms Band of
Mission Indians of California
\3\.Sacramento Metro, CA: \2\........... ......... Nonattainment ......... Severe 15.
El Dorado County (part)
All portions of the county
except that portion of El
Dorado County within the
drainage area naturally
tributary to Lake Tahoe
including said Lake.
Placer County (part)
All portions of the county
except that portion of
Placer County within the
drainage area naturally
tributary to Lake Tahoe
including said Lake, plus
that area in the vicinity
of the head of the Truckee
River described as follows:
Commencing at the point
common to the
aforementioned drainage
area crestline and the line
common to Townships 15
North and 16 North, Mount
Diablo Base and Meridian,
and following that line in
a westerly direction to the
northwest corner of Section
3, Township 15 North, Range
16 East Mount Diablo Base
and Meridian, thence south
along the west line of
Sections 3 and 10, Township
15 North, Range 16 East,
Mount Diablo Base and
Meridian, to the
intersection with the said
drainage area crestline,
thence following the said
drainage area boundary in a
southeasterly, then
northeasterly direction to
and along the Lake Tahoe
Dam, thence following the
said drainage area
crestline in a
northeasterly, then
northwesterly direction to
the point of beginning.
Sacramento County
Solano County (part)
That portion of Solano
County which lies north and
east of a line described as
follows: Beginning at the
intersection of the
westerly boundary of Solano
County and the \1/4\
section line running east
and west through the center
of Section 34; Township 6
North, Range 2 West, Mount
Diablo Base and Meridian,
thence east along said \1/
4\ section line to the east
boundary of Section 36,
Township 6 North, Range 2
West, thence south \1/2\
mile and east 2.0 miles,
more or less, along the
west and south boundary of
Los Putos Rancho to the
northwest corner of Section
4, Township 5 North, Range
1 West, thence east along a
line common to Township 5
North and Township 6 North
to the northeast corner of
Section 3, Township 5
North, Range 1 East, thence
south along section lines
to the southeast corner of
Section 10, Township 3
North, Range 1 East, thence
east along section lines to
the south \1/4\ corner of
Section 8, Township 3
North, Range 2 East, thence
east to the boundary
between Solano and
Sacramento Counties.
Sutter County (part)
Portion south of a line
connecting the northern
border of Yolo County to
the SW tip of Yuba County
and continuing along the
southern Yuba County border
to Placer County.
Yolo County
Shingle Springs Band of Miwok
Indians, Shingle Springs
Rancheria (Verona Tract) \3\.
United Auburn Indian Community
of the Auburn Rancheria of
California \3\.
Yocha Dehe Wintun Nation \3\....San Diego County, CA: \2\........... ......... Nonattainment ......... Marginal.
San Diego County
Barona Group of Capitan Grande
Band of Mission Indians of the
Barona Reservation \3\.
Campo Band of Diegueno Mission
Indians of the Campo Indian
Reservation \3\.
Capitan Grande Band of Diegueno
Mission Indians of California
\3\.
Ewiiaapaayp Band of Kumayaay
Indians \3\.
Iipay Nation of Santa Ysabel \3\
Inaja Band of Diegueno Mission
Indians of the Inaja and Cosmit
Reservation \3\.
Jamul Indian Village of
California \3\.
La Jolla Band of Luiseno Indians
\3\.
La Posta Band of Diegueno
Mission Indians of the La Posta
Indian Reservation \3\.
Los Coyotes Band of Cahuilla and
Cupeno Indians \3\.
Manzanita Band of Diegueno
Mission Indians of the
Manzanita Reservation \3\.
Mesa Grande Band of Diegueno
Mission Indians of the Mesa
Grande Reservation \3\.
Pala Band of Luiseno Mission
Indians of the Pala Reservation
\3\.
Pauma Band of Luiseno Mission
Indians of the Pauma and Yuima
Reservation \3\.
Rincon Band of Luiseno Mission
Indians of the Rincon
Reservation \3\.
San Pasqual Band of Diegueno
Mission Indians of California
\3\.
Sycuan Band of the Kumeyaay
Nation \3\.
Viejas (Baron Long) Group of
Capitan Grande Band of Mission
Indians \3\.San Francisco Bay Area, CA: \2\..... ......... Nonattainment ......... Marginal.
Alameda County
Contra Costa County
Marin County
Napa County
San Francisco County
San Mateo County
Santa Clara County
Solano County (part)
Portion of Solano County
which lies south and west
of a line described as
follows: Beginning at the
intersection of the
westerly boundary of Solano
County and the \1/4\
section line running east
and west through the center
of Section 34, T6N, R2W,
M.D.B. & M., thence east
along said \1/4\ section
line to the east boundary
of Section 36, T6N, R2W,
thence south \1/2\ mile and
east 2.0 miles, more or
less, along the west and
south boundary of Los Putos
Rancho to the northwest
corner of Section 4, T5N,
R1W, thence east along a
line common to T5N and T6N
to the northeast corner of
Section 3, T5N, R1E, thence
south along section lines
to the southeast corner of
Section 10, T3N, R1E,
thence east along section
lines to the south \1/4\
corner of Section 8, T3N,
R2E, thence east to the
boundary between Solano and
Sacramento Counties.
Sonoma County (part)
That portion of Sonoma
County which lies south and
east of a line described as
follows: Beginning at the
southeasterly corner of the
Rancho Estero Americano,
being on the boundary line
between Marin and Sonoma
Counties, California;
thence running northerly
along the easterly boundary
line of said Rancho Estero
Americano to the
northeasterly corner
thereof, being an angle
corner in the westerly
boundary line of Rancho
Canada de Jonive; thence
running along said boundary
of Rancho Canada de Jonive
westerly, northerly and
easterly to its
intersection with the
easterly line of Graton
Road; thence running along
the easterly and southerly
line of Graton Road,
northerly and easterly to
its intersection with the
easterly line of Sullivan
Road; thence running
northerly along said
easterly line of Sullivan
Road to the southerly line
of Green Valley Road;
thence running easterly
along the said southerly
line of Green Valley Road
and easterly along the
southerly line of State
Highway 116, to the
westerly line of Vine Hill
Road; thence Running along
the westerly and northerly
line of Vine Hill Road,
northerly and easterly to
its intersection with the
westerly line of Laguna
Road; thence running
northerly along the
westerly line of Laguna
Road and the northerly
projection thereof to the
northerly line of Trenton
Road; thence running
westerly along the
northerly line of said
Trenton Road to the
easterly line of Trenton-
Healdsburg Road; thence
running northerly along
said easterly line of
Trenton-Healdsburg Road to
the easterly line of
Eastside Road; thence
running northerly along
said easterly line of
Eastside Road to its
intersection with the
southerly line of Rancho
Sotoyome; thence running
easterly along said
southerly line of Rancho
Sotoyome to its
intersection with the
Township line common to
Townships 8 and 9 North,
M.D.M.; thence running
easterly along said
township line to its
intersection with the
boundary line between
Sonoma and Napa Counties.
Federated Indians of Graton
Rancheria \3\
Lytton Rancheria of California
\3\.San Joaquin Valley, CA: \2\......... ......... Nonattainment ......... Extreme.
Fresno County
Kern County (part)
That portion of Kern County
which lies west and north
of a line described as
follows: Beginning at the
Kern-Los Angeles County
boundary and running north
and east along the
northwest boundary of the
Rancho La Libre Land Grant
to the point of
intersection with the range
line common to R. 16 W. and
R. 17 W., San Bernardino
Base and Meridian; north
along the range line to the
point of intersection with
the Rancho El Tejon Land
Grant boundary; then
southeast, northeast, and
northwest along the
boundary of the Rancho El
Tejon Land Grant to the
northwest corner of S. 3,
T. 11 N., R. 17 W.; then
west 1.2 miles; then north
to the Rancho El Tejon Land
Grant boundary; then
northwest along the Rancho
El Tejon line to the
southeast corner of S. 34,
T. 32 S., R. 30 E., Mount
Diablo Base and Meridian;
then north to the northwest
corner of S. 35, T. 31 S.,
R. 30 E.; then northeast
along the boundary of the
Rancho El Tejon Land Grant
to the southwest corner of
S. 18, T. 31 S., R. 31 E.;
then east to the southeast
corner of S. 13, T. 31 S.,
R. 31 E.; then north along
the range line common to R.
31 E. and R. 32 E., Mount
Diablo Base and Meridian,
to the northwest corner of
S. 6, T. 29 S., R. 32 E.;
then east to the southwest
corner of S. 31, T. 28 S.,
R. 32 E.; then north along
the range line common to R.
31 E. and R. 32 E. to the
northwest corner of S. 6,
T. 28 S., R. 32 E., then
west to the southeast
corner of S. 36, T. 27 S.,
R. 31 E., then north along
the range line common to R.
31 E. and R. 32 E. to the
Kern-Tulare County
boundary.
Kings County
Madera County
Merced County
San Joaquin County
Stanislaus County
Tulare County
Big Sandy Rancheria of Mono
Indians of California \3\.
Cold Springs Rancheria of Mono
Indians of California \3\.
Northfork Rancheria of Mono
Indians of California \3\.
Picayune Rancheria of Chukchansi
Indians of California \3\.
Santa Rosa Indian Community of
the Santa Rosa Rancheria \3\.
Table Mountain Rancheria of
California \3\.
Tule River Indian Tribe of the
Tule River Reservation \3\.San Luis Obispo (Eastern San Luis ......... Nonattainment ......... Marginal.
Obispo), CA: \2\.
San Luis Obispo County (part)
That portion of San Luis
Obispo County that lies
east of a line described as
follows: Beginning at the
San Luis Obispo County/
Santa Barbara County
boundary and running north
along 120 degrees 24
minutes longitude to the
intersection with 35
degrees 27 minutes
latitude; east along 35
degrees 27 minutes latitude
to the intersection with
120 degrees 18 minutes
longitude; then north along
120 degrees 18 minutes
longitude to the San Luis
Obispo County/Monterey
County boundary.Tuscan Buttes, CA: \2\.............. ......... Nonattainment ......... Marginal.
Tehama County (part)
Those portions of the
immediate Tuscan Buttes
area at or above 1,800 feet
in elevation.Ventura County, CA: \2\............. ......... Nonattainment ......... Serious.
Ventura County (part)
That part of Ventura County
excluding the Channel
Islands of Anacapa and San
Nicolas Islands.Morongo Band of Mission Indians \3\. ......... Nonattainment ......... Serious.Pechanga Band of Luiseno Mission ......... Nonattainment ......... Moderate.
Indians of the Pechanga Reservation
\3\.Rest of State: \4\
Alpine, Inyo, and Mono Counties: ......... Unclassifiable/Attainment
Alpine County
Inyo County
Mono County
Amador County................... ......... Unclassifiable/Attainment
Channel Islands (Ventura County) ......... Unclassifiable/Attainment
Ventura County (part)
remainder.
Colusa County................... ......... Unclassifiable/Attainment
Del Norte, Humboldt, and Trinity ......... Unclassifiable/Attainment
Counties):.
Del Norte County
Humboldt County
Trinity County
Nevada County (part) remainder.. ......... Unclassifiable/Attainment
Glenn County.................... ......... Unclassifiable/Attainment
Kern County (part) remainder.... ......... Unclassifiable/Attainment
Lake County..................... ......... Unclassifiable/Attainment
Lake Tahoe (El Dorado County ......... Unclassifiable/Attainment
Portion):.
El Dorado County (part)
remainder
Lake Tahoe (Placer County ......... Unclassifiable/Attainment
Portion):.
Placer County (part)
remainder.
Lassen County................... ......... Unclassifiable/Attainment
Mendocino County................ ......... Unclassifiable/Attainment
Modoc County.................... ......... Unclassifiable/Attainment
Monterey County................. Unclassifiable/Attainment
Northeastern San Bernardino ......... Unclassifiable/Attainment
County and Eastern Riverside
County.
San Bernardino County (part)
remainder
Riverside County (part)
remainder
Sonoma County (part) remainder.. ......... Unclassifiable/Attainment
Sutter County and Yuba County... ......... Unclassifiable/Attainment
Sutter County (part)
remainder
Yuba County
Plumas and Sierra Counties...... ......... Unclassifiable/Attainment
San Benito County............... ......... Unclassifiable/Attainment
Santa Barbara County............ ......... Unclassifiable/Attainment
Santa Cruz County............... ......... Unclassifiable/Attainment
Shasta County................... ......... Unclassifiable/Attainment
Siskiyou County................. ......... Unclassifiable/Attainment
Tehama County (part) remainder.. ......... Unclassifiable/Attainment
Tuolumne County................. ......... Unclassifiable/Attainment
San Luis Obispo County (part) ......... Unclassifiable/Attainment
remainder.----------------------------------------------------------------------------------------------------------------\1\ This date is July 20, 2012, unless otherwise noted.\2\ Excludes Indian country located in each area, unless otherwise noted.\3\ Includes Indian country of the tribe listed in this table located in the identified area. Information
pertaining to areas of Indian country in this table is intended for CAA planning purposes only and is not an
EPA determination of Indian country status or any Indian country boundary. EPA lacks the authority to
establish Indian country land status, and is making no determination of Indian country boundaries, in this
table.\4\ Includes any Indian country in each county or area, unless otherwise specified.
California--2008 Lead NAAQS------------------------------------------------------------------------
Designation for the 2008 NAAQS \a\
Designated area --------------------------------------
Date \1\ Type------------------------------------------------------------------------Los Angeles County--South Coast
Air Basin, CA:
Los Angeles County (part).... 12/31/10 Nonattainment.
That portion of Los
Angeles County which
lies south and west of
line described as
follows: Beginning at
the Los Angeles-San
Bernardino County
boundary and running
west along the Township
line common to Township
3 North and Township 2
North, San Bernardino
Base and Meridian; then
North along the range
line common to Range 8
West and Range 9 West;
then west along the
Township line common to
Township 4 North and
Township 3 North; then
north along the range
line common to Range 12
West and Range 13 West
to the southeast corner
of Section 12, Township
5 North and Range 13
West; then west along
the south boundaries of
Sections 12, 11, 10, 9,
8, and 7, Township 5
North and Range 13 West
to the boundary of the
Angeles National Forest
which is collinear with
the range line common to
Range 13 West and Range
14 West; then north and
west along the Angeles
National Forest boundary
to the point of
intersection with the
Township line common to
Township 7 North and
Township 6 North (point
is at the northwest
corner of Section 4 in
Township 6 North and
Range 14 West); then
west along the Township
line common to Township
7 North and Township 6
North; then north along
the range line common to
Range 15 West and Range
16 West to the southeast
corner of Section 13,
Township 7 North and
Range 16 West; then
along the south
boundaries of Sections
13, 14, 15, 16, 17 and
18, Township 7 North and
Range 16 West; then
north along the range
line common to Range 16
West and Range 17 West
to the north boundary of
the Angeles National
Forest (collinear with
The Township line common
to Township 8 North and
Township 7 North); then
west and north along the
Angeles National Forest
boundary to the point of
intersection with the
south boundary of the
Rancho La Liebre Land
Grant; then west and
north along this land
grant boundary to the
Los Angeles-Kern County
boundary.Rest of State.................... .............. Unclassifiable/
Attainment.------------------------------------------------------------------------\a\ Includes Indian Country located in each county or area, except as
otherwise specified.\1\ December 31, 2011 unless otherwise noted. [43 FR 8964, Mar. 3, 1978]
Editorial Note: For Federal Register citations affecting Sec. 81.305, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.fdsys.gov.