(A) Except as provided in this subchapter, no person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewer:
(1) Any liquid or vapor having a temperature higher than 150°F.
(2) Any waters or wastes 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, which by reason of its nature or quality may cause fire or explosion or be in any other way injurious to persons, to the sewage works structures, or to the operation of the works.
(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 any 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 water or waste having a pH lower than 6.0 or higher than 9.0, or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the sewage works.
(7) Any water and waste containing a toxic or poisonous substance in sufficient quantity to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals, or that will pass through the sewage treatment works to create hazards in the receiving waters of the sewage treatment plant, or exceed the state or interstate requirements for the receiving stream.
(8) Any waters or wastes containing suspended solids of such a character and quantity that unusual attention or expense is required to handle the materials at the sewage treatment plant.
(9) Any noxious or malodorous gas or substance which, either singly or by interaction with other wastes, is capable of creating a public nuisance, hazard to life, or preventing entry into sewers for their maintenance and repair.
(10) Any water or waste that contains cyanide.
(11) Any toxic radioactive isotopes, without special permit.
(12) Any water or waste that contains fluoride in excess of a concentration determined by multiplying 1.2 parts per million by the ratio of the average flow in the receiving stream to the design flow of the sewage treatment works.
(B) The admission into the public sewers of any water or waste being in the following conditions or containing the following substances shall be subject to the review and approval of the Superintendent:
(1) A five-day biochemical oxygen demand greater than 300 parts per million by weight.
(2) More than 350 parts per million by weight of suspended solids, or a chlorine demand greater than 50 parts per million.
(3) Any quantity of substances having the characteristics described in division (A) of this section.
(4) An average daily flow greater than two percent (2%) of the average daily sewage flow of the city sewer system.
(Ord. 132, passed 1-25-74) Penalty, see § 50.999