§ 13.08.160. Additional prohibited uses—Waters and wastes.

No person shall discharge, or permit the discharge of, any of the following waters or wastes into a building sewer or the sanitary sewer system without prior written approval of the Director of Public Works:

A.

Any unpolluted industrial process water;

B.

Any liquid or vapor having a temperature detrimental to the sewer system;

C.

Any gasoline, benzine, naphtha, fuel oil, or other flammable or explosive liquid, solid, or gas;

D.

Any water or waste which contains excessive amounts of grease, oil, or fats as hereinafter defined by this code;

E.

Any garbage, except garbage from dwellings and establishments where food is prepared and consumed on the premises, and which has been ground to such a degree that all particles will be carried freely under the flow conditions prevailing in the public sewers. No particle shall in any event be greater than three-eighths inch in any dimension;

F.

Any sand, cement, lime, plaster, cinders, ashes, metal, glass, or other heavy solids; any straw, shavings, animal hair, feathers, paunch manure, or other fibrous matter; any tar, asphalt, resins, plastics or other viscous substance; or any other matter of such a nature as to obstruct the flow in sewers or cause other interference with the proper operations of the sewer system;

G.

Any water or waste containing excessive amounts of acid, alkali, or dissolved sulfide, or having any other corrosive property capable of causing damage or hazard to structures, equipment or personnel;

H.

Any waters or wastes containing a toxic or poisonous substance in sufficient quantity to injure or interfere with any sewer treatment process, to constitute a hazard to humans, animals, or fish, or to create a hazard in the waters receiving effluent from the sewage treatment plant;

I.

Any waters or wastes containing suspended solids or dissolved matter of such character and quantity that unusual attention or expense is required to handle such materials in the sewer or at the sewage treatment plant;

J.

Any noxious or malodorous gas or substance capable of creating a public nuisance;

K.

Any radioactive wastes, except as hereinafter provided.

(Prior code § 6-6.171)