No person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewers:
(A) Any liquids, solids, or gases which by reason of their nature or quantity are, or may be, sufficient either alone or by interaction with other substances to cause fire or explosion or be injurious in any other way to the wastewater treatment facilities or to the operation of the system. Prohibited materials include, but are not limited to, gasoline, kerosene, naphtha, benzene, toluene, xylene, ethers, alcohols, ketones, aldehydes, peroxides, chlorates, perchlorates, bromates, carbides, hydrides, and sulfides.
(B) Solid or viscous substances which will cause obstruction to the flow in a sewer or other interference with the operation of the wastewater treatment facilities such as, but not limited to, ashes, bones, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, tissues, paunch manure, hair, hides, or paper cups, milk containers, etc., either whole or ground by garbage grinders.
(C) Any wastewater having a pH of less than 5.0 or greater than 9.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the wastewater treatment facilities.
(D) Any wastewater containing toxic pollutants in sufficient quantity, either alone or by interaction with other pollutants, to inhibit or disrupt any wastewater treatment process, constitute a hazard to humans or animals, or create a toxic effect in the receiving waters of the wastewater treatment facilities. A toxic pollutant shall include, but not be limited to, any pollutant identified pursuant to Section 307(a) of the Act (33 USC 1317(a)) and M.S. § 115.01(14) as they may be amended from time to time.
(Ord. 89, passed 11-22-94) Penalty, see § 51.99