No person shall discharge or cause to be discharged any storm water, surface water, roof runoff, subsurface drainage, cooling water, or unpolluted industrial process water to any sanitary sewer. Except as hereinafter provided, no person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewer:
(a) Any liquid or vapor having a temperature higher than 150 F.
(b) Any water, or waste which may contain more than 100 parts per million, by weight, of fat, oil, or grease.
(c) Any gasoline, benzine, naphtha, fuel oil, lube oil, or other flammable or explosive liquid, solid, or gas.
(d) Any garbage that has not been properly shredded.
(e) Any ashes, cinders, sand, mud, straw, shavings, kitty litter, human or animal hair or fur, metal, glass, rags, feathers, tar, plastics, wood, paunch manure, or any other solid or viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper aeration, care and maintenance of public sewers and the sewage treatment plant.
(f) Any waters or wastes having a pH lower than 5.5 or higher than 9.0 or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the District, personnel of the City or the sewage treatment plant.
(g) Any waters or wastes containing toxic 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.
(h) 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.
(i) Any noxious or malodorous gas or substance capable of creating a public nuisance.
(Ord. 476, 1995; Ord. 679, Sec. 3, 2003)