a. septic tanks and drainfields;
b. feed lots or other livestock impoundments;
c. trash containers and dumpsters which are not under roof or which are located so that leachate from the receptacle could escape unfiltered and untreated;
d. fuel storage in excess of fifty (50) gallons [200L];
e. sanitary landfills;
f. activities involving the manufacture, bulk storage or any type of distribution of petroleum, chemical or asphalt products or any materials hazardous to a water supply (as defined in the Hazardous Materials Spills Emergency Handbook, American Waterworks Association, 1975, as revised) including specifically the following general classes of materials:
1. oil and oil products;
2. radioactive materials;
3. any material transported in large commercial quantities (such as in 55-gallon [200L] drums), which is a very soluble acid or base, causes abnormal growth of an organ or organism, or is highly biodegradable, exerting a severe oxygen demand
4. biologically accumulative poisons;
5. the active ingredients of poisons that are or were ever registered in accordance with the provisions of the Federal Insecticide, Fungicide, and Rodenticide Act, as amended (7 USC 135 et seq.); or
6. substances highly lethal to mammalian or aquatic life.