(a) Durable, fly-tight, clean containers in good condition of a minimum capacity of 20 gallons, shall be provided adjacent to each housing unit for the storage of garbage and other refuse. Such containers shall be provided in a minimum ratio of 1 per 15 persons.
(b) Provisions shall be made for collection of refuse at least twice a week, or more often if necessary. The disposal of refuse, which includes garbage, shall be in accordance with State and local law.