§ 51.040 PROHIBITED SUBSTANCES.
   (A)   No person shall place, deposit, or cause to be deposited on public or private property within the town, any human or animal excrement, garbage or any other waste likely to cause a nuisance or damage to persons or property.
   (B)   No person shall discharge, or cause to be discharged, into any natural outlet within the town, or in any area under the jurisdiction of the town, any sanitary sewage, industrial waste or other polluted waters, except in accordance with the provisions of this chapter.
   (C)   No person shall discharge or cause to be discharged to any public sewer any of the following described substances, materials, waters or waste:
      (1)   Any liquid or vapor having a temperature higher than 150°F (65°C);
      (2)   Any water or wastes which contain grease, oil or some other substance that will solidify or become discernibly viscous at temperatures between 32°F or 1,500°F;
      (3)   Any water or wastes containing emulsified oil or grease exceeding, on analysis, an average of 100 parts per million floatable and 600 parts per million dispersed of either soluble matter.
      (4)   Any gasoline, benzine, naptha, fuel oil, mineral oil, or other flammable or explosive liquid, solid, or gas.
      (5)   Any water or wastes that contain more than ten parts per million by weight of the following gases: hydrogen sulphide; sulphur dioxide; or nitrous oxide.
      (6)   Any garbage that has not been properly comminuted or triturated.
      (7)   Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure, hair and fleshings, entrails, lime, slurry, lime residues, beer or distillery slops, chemical residues, paint residues, cannery waste, bulk solids, 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 sewage works.
      (8)   Any water or wastes that contain phenols in excess of 0.50 parts per million by weight (500 parts per billion). These limits may be modified by the town if, after a public hearing thereon, the town finds that the aggregate of contributions throughout the area being serviced creates treatment difficulties or produces a plant effluent discharge to the receiving waters which may be prohibitive.
      (9)   Any waters or wastes, acid or alkaline in reaction, and having corrosive properties capable of causing damage or hazard to structures, equipment, or personnel of the sewage works. Free acids and alkalis of such waste must be neutralized within a permissible range of pH, between four, five, and ten.
      (10)   (a)   Any waters or wastes containing a toxic or poisonous substance or of high chlorine demand, 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 or storm water overflows, such as copper, zinc, chromium and similar toxic substances, shall be limited to the following average quantities in the sewage as it arrives at the treatment plant and at no time shall the hourly concentration at the sewage treatment plant exceed three times the average concentration.
 
Cadmium
0.002 parts per million
Chlorine demand
30 parts per million
Chromium as Cr (hexavalent)
5 parts per million
Copper as Cu
3 parts per million
Lead
0.1 parts per million
Mercury
0.002 parts per million
Zinc as Zn
2 parts per million
 
         (b)   Contributions of greater volume or concentration from individual establishments shall be subject to control by the town.
      (11)   Any cyanides in excess of two parts per million by weight as CN in the wastes from any outlet into the public sewers;
      (12)   Any water or wastes containing the discharge of acid pickling wastes or concentrated plating solutions, whether neutralized or not, which are capable of causing any obstruction, damage or corrosion in the sewers or the sewage treatment plant;
      (13)   Any waters containing suspended solids of such character and quantity that unusual provision, attention or expense is required to handle the materials at the sewage treatment plant;
      (14)   Any noxious or malodorous gas or substance which either singly or by interaction with other wastes if capable of creating a public nuisance or hazard to life or of preventing entry into sewers for their maintenance and repair;
      (15)   Any toxic radioactive isotopes having a half-life of more than 100 days, without special permit, to be issued by the town;
      (16)   Any wastes that, for a duration of 15 minutes have a concentration greater than five time the average concentration of the wastes as measured by suspended solids and BOD;
      (17)   Any water or waste containing iron-bearing compounds or substances in quantities sufficient to cause the average concentration in the sewage as it arrives at the treatment plant to exceed 25 milligrams per liter total iron or five milligrams per liter soluble iron; and/or
      (18)   Any water or waste which may result in a violation of any provision of the town’s NPDES permits.
(1991 Code, § 50.20) Penalty, see § 51.999