§ 50.040 PROHIBITED SUBSTANCES.
   (A)   Prohibited substances. It shall be unlawful for any person to discharge or cause to be discharged to the sanitary sewers:
      (1)   Any storm water, surface water, ground water, roof runoff, surface drainage, cooling water, or unpolluted process waters that may constitute inflow as defined in this chapter;
      (2)   Pollutants which create a fire or explosion hazard to the system or treatment plant;
      (3)   Solid or viscous pollutants in amounts that will cause obstruction to the flow in sewers or other interference or damage with the system or treatment plant;
      (4)   Any waters or wastes containing toxic, radioactive, poisonous, or other substances in sufficient quantity to injure or interfere with any sewage treatment process, cause corrosive structural damage, constitute a hazard to humans, or create any hazard to the sewerage system or in receiving waters of the sewage treatment plant;
      (5)   Any waters with a pH of less than 5 or greater than 9.5;
      (6)   Any waters with a temperature greater than 150°F (66°C); and/or
      (7)   Any water or waste greater than the following parameters (mg/l) ;
Substance
Milligrams Per Liter
Substance
Milligrams Per Liter
Arsenic
0.1
Barium
10.0
Boron
10.0
Cadmium
0.1
Chromium VI
0.5
Copper
10.0
Cyanide (includes cyanates)
0.1
Dissolved sulfides
0.5
Lead
0.5
Manganese
0.5
Mercury
0.05
Selenium
0.1
Silver
0.5
Total grease, oil, etc
100.0
Zinc
50.0
 
   (B)   Enforcement. The Public Works Director shall issue and enforce, through the issuance of industrial waste water permits, other prohibitions and limitations required by state or federal law, or as the Director determines necessary.
   (C)   No new connections. There shall be no new connections from inflow sources as defined in this chapter into the town sewerage system.
   (D)   Discharge of certain wastes prohibited. Except as provided in this chapter, no person shall discharge or cause to be discharged any of the following described waters or wastes into any public sewer:
      (1)   Any liquid or vapor having a temperature higher than 150°F;
      (2)   Any water or waste which may contain more than 100 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, rags, 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 of sewers or other interference with the proper operation of the sewage works;
      (6)   Any waters or wastes having pH lower than 5 or higher than 9.5, 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 dissolved or suspended solids of such character and quantity that unusual attention or expense is required to handle such materials at the sewage treatment plant;
      (9)   Any noxious or malodorous gas or substance capable of creating a public nuisance;
      (10)   Any water or waste that has in any way been diluted as a substitute for pretreatment for the purpose of obtaining compliance with any categorical standard or pretreatment requirement imposed by this chapter, except where dilution is expressly authorized by an categorical standard;
      (11)   Any water or waste that could cause a violation of any categorical standard or pretreatment requirement; and/or
      (12)   Any water or waste that is transported from the point of discharge to the POTW by any septic tank pumper, chemical waste hauler, or similar transporter unless the transporter has first:
         (a)   Disclosed to the Director the origin, nature, concentration, and volume of all pollutants to be discharged; and
         (b)   Obtained the consent of the Director to discharge.
(1989 Code, § 14-4-1) (Ord. 89-07, passed 8-24-1989) Penalty, see § 50.999