No person shall discharge or cause to be discharged any of the following described water or wastes to any public sewers:
   (A)   Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid, or gas.
   (B)   Any waters containing toxic or poisonous solids, liquids or gases in sufficient quantity, either singly or by interaction with other wastes, to contaminate the sludge of any municipal systems, or to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals, create a public nuisance, or create any hazard in or have an adverse effect on the waters receiving any discharge from the treatment works. Any user discharging any toxic pollutants which cause an increase in the costs of managing the effluent or the sludge of the city’s treatment works, shall pay for such increased costs;
   (C)   Any waters or wastes having a pH lower than 5.5 or higher than 9.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the wastewater works; or
   (D)   Solid or viscous substances in quantities or of such size capable of causing obstruction to the flow in sewers, or other interference with the proper operation of the wastewater facilities such as, but not limited to, ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, unground garbage, whole blood, paunch manure, hair and fleshings, entrails and paper dishes, cups, milk containers and the like, either whole or ground by garbage grinders.
(Ord. 30, passed 8-21-2008)  Penalty, see § 53.999