(A) No person shall discharge or deposit any of the following waste materials into any town sewer:
(1) Any liquid or vapor having a temperature higher than 140°F;
(2) Any water or waste which may contain more than 100 parts per million, by weight, of fat, oil or grease, exclusively of soap;
(3) Any gasoline, benzene, naphtha, fuel oil or other flammable or explosive liquid, solid or gas;
(4) Any garbage that has not been properly shredded;
(5) Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure or other solid or viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewage works;
(6) Any waters or wastes having a stabilized pH lower than 6.0 or higher than 8.5, or having any other corrosive property capable of causing damage or hazard to structure, equipment and personnel of the sewage works;
(7) Any waters or wastes having a bio-chemical oxygen demand in excess of 600 parts per million by weight;
(8) Any waters or wastes containing more than 600 parts per million by weight or suspended solids;
(9) Any waters or wastes having an objectionable color which is not removable in the existing sewage treatment plant processes;
(10) (a) Any waters or wastes containing a toxic or poisonous substance or any other materials in sufficient quantity to injure or interfere with any sewage treatment process, or constitute a hazard to humans or animals, or create any hazard in the receiving stream at the sewage treatment plant. Maximum allowable concentrations of specific substances follows:
Substance | Concentration (mg/l) |
Cyanide | 0.05 |
Zinc | 0.05 |
Copper | 0.05 |
Cadmium | 0.05 |
Chromium (trivalent) | 0.6 |
Nickel | 1.0 |
(b) (Pesticides, herbicides and the like, including chlorinated hydrocarbons and organic phosphates are prohibited in any amount.)
(11) Any waters or wastes containing a toxic or suspended solids of the character and quantity that unusual attention or expense is required to handle the materials at the sewage treatment plant; and
(12) Any noxious or malodorous gas or substance capable of creating a public nuisance.
(B) No statement contained in this section shall be construed as preventing any special agreement or arrangement between the town and any person whereby an industrial waste of unusual strength or character may be admitted into the sanitary sewers by the town after approved pretreatment.
(1992 Code, § 52.61) Penalty, see § 52.99