(A) It shall be unlawful for any person to discharge or cause to be discharged any stormwater, surface water, groundwater, roof runoff, surface drainage or unpolluted industrial process waters into the sanitary sewer.
(B) Except as hereinafter provided, no person shall discharge or cause to be discharged any of the following described waters or wastes into the municipal sewer system:
(1) Liquids or vapors having a temperature higher than 150°F;
(2) Water or waste which may contain more than 100 parts per million by weight of fat, oil or grease;
(3) Gasoline, benzene, naphtha, fuel oil, other flammable or explosive liquid, solid or gas;
(4) Garbage that has not been properly shredded;
(5) Sand, mud, metal, rags, paper or other solid or viscous substance capable of causing obstruction to the flow in the sewer system;
(6) Toxic or poisonous substances in sufficient quantity to interfere with or injure the sewage treatment process, constitute a hazard to humans, animals or fish or create any hazard in the receiving area of the sewage treatment plant;
(7) Suspended solids of such character and quantity that unusual attention or expense is required to handle such materials;
(8) Waters or wastes having a pH lower than 5.5 or higher than 9.0 or having other corrosive properties capable of causing damage to the structures, equipment and personnel of the Municipal Sewer Department; or
(9) Any noxious or malodorous gas or substance capable of creating a public nuisance.
(Prior Code, § 3-217) Penalty, see § 50.99