It is unlawful to discharge any of the following described wastes into the sewerage system:
(A) Liquids having a temperature higher than 150°F;
(B) Water or waste which contains more than 100 ppm by weight of fat, oil or grease;
(C) Gasoline, benzene, naphtha, fuel oil or other inflammable or explosive liquid, solid or gas;
(D) Garbage, except such as has been properly shredded;
(E) Ashes, cinders, shavings, feathers, tar or other liquid or viscous substance capable of causing obstruction to the flow in sewerage system or other interference with the proper operation of the system;
(F) Noxious or malodorous substances capable of creating a public nuisance; and
(G) Roof water, ground water or any other natural precipitation.
(Prior Code, § 3.20)