§ 25-842. Prohibited discharges into public sewers.

No person shall discharge or cause to be discharged any of the following described waters or wastes to any public sewers:

(1)

Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid, or gas.

(2)

Any waters or wastes containing toxic or poisonous solids, liquids, or gases in sufficient quantity, either singly or by interaction with other wastes, to injure or interfere with any sewage treatment process, constitute a hazard to humans or animals, create a public nuisance, result in a violation of state or federal water quality standards or create any hazard in the sewage treatment plant of the receiving waters.

(3)

Any waters or wastes having pH lower than five and one-half (5½) or higher than nine and one-half (9½) or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the sewage works.

(4)

Solids 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 sewage works 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, etc., either whole or ground by garbage grinders.

(5)

Any waste waters that would directly or indirectly result in a violation of the city's NPDES permit.

(Code 1984, Title 4, § 440(3))