§ 51.12 PROHIBITED SUBSTANCES.
   (A)   No person shall discharge or cause to be discharged any storm water, surface water, ground water, roof runoff, subsurface drainage, cooling water or unpolluted industrial process waters to any sanitary sewer.
   (B)   Except as provided in this section, 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 50 milligrams per liter 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 in sewers or other interference with the proper operation of the sewer works;
      (6)   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 sewage works;
      (7)   Any waters or wastes 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 create any hazard in the receiving waters of the sewage treatment plant;
      (8)   Any waters or wastes containing suspended solids of a character and quantity that unusual attention or expense is required to handle the materials at the sewage treatment plant; and
      (9)   Any noxious or malodorous gas or substance capable of creating a public nuisance.
(1996 Code, § 13.08.170) Penalty, see § 10.99