(A) No person shall discharge or cause to be discharged any storm water, swimming pool water, surface water, groundwater, roof runoff, subsurface drainage, cooling water or unpolluted industrial process waters to any sanitary sewer.
(B) Except as provided in this chapter, no person shall discharge or cause to be discharged any of the following into the public sewer:
(1) Any liquid or vapor having a temperature higher than 150°F;
(2) Any water or waste which may contain more than 50 parts per million by weight of fat, oil or grease;
(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, rages, feathers, tar, plastics, wood, paunch manure, grits such as brick, cement, onyx, carbide or any other solid or viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewer works;
(6) Any waters or wastes having a pH lower than five and one half or higher than nine or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewage works;
(7) Any waters or wastes containing a toxic, radioactive or poisonous substance in sufficient quantity to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals or create any hazard in the receiving waters of the sewage treatment plant;
(8) Any waters or wastes containing suspended solids of such character and quantity that unusual attention or expense is required to handle such materials at the sewage treatment plant; or
(9) Any noxious or malodorous gas or substance capable of creating a public nuisance.
(C) Table A lists the maximum allowable values for certain materials in, or characteristics of, wastewater entering the town’s public sewer.
(1) The town reserves the right to establish standards for substances not contained in this list. In setting additional standards, the town will generally follow the standards of the Water Pollution Control Federation.
(2) In defining and interpreting the values in Table A, reference shall be made to 40 C.F.R. part 136 and amendments thereto.
Table A | |
Material or Characteristic | Maximum Allowable Value |
Table A | |
Material or Characteristic | Maximum Allowable Value |
Arsenic | 0.1 mg/l |
Boron | 1.0 mg/l |
Barium | 10.0 mg/l |
Chromium, total | 10.0 mg/l |
Copper | 10.0 mg/l |
Cyanides | 2.0 mg/l |
Cadmium | 2.0 mg/l |
Iron | 25.0 mg/l |
Lead | 0.1 mg/l |
Manganese | 0.5 mg/l |
Mercury | 0.05 mg/l |
Nickel | 10.0 mg/l |
Phenols | 0.5 mg/l |
Selenium | 0.1 mg/l |
Silver | 0.5 mg/l |
Zinc | 10.0 mg/l |
(3) The above limitations are intended to apply generally to all industrial users within the town’s public sewer. If and when state or federal regulatory agency regulations require a specific pretreatment concentration for a specific industry, whichever is the more stringent concentration level between these restrictions and such regulations shall apply.
(Ord. 03-92, passed 9-28-1992) Penalty, see § 10.99