No person shall discharge or cause to be discharged to a public sewer, which directly or indirectly connects to the city sewerage system, the following wastes:
(A) Any gasoline, benzene, naptha, solvent, fuel oil or any liquid, solid or gas that would cause or tend to cause flammable or explosive conditions to result in the sewerage system;
(B) Any waste containing toxic or poisonous solids, liquids or gases in the quantities that, alone or in combination with other waste substances. may create a hazard for humans, animals or the local environment. interfere detrimentally with wastewater treatment processes, cause a public nuisance, or cause any hazardous condition to occur in the sewerage system;
(C) Any waste having a pH lower than six or having any corrosive or detrimental characteristic that may cause injury to wastewater treatment or maintenance personnel or may cause damage to structures, equipment or physical facilities of the sewerage system;
(D) Any solids or viscous substances of such size or in the quantity that they may cause obstruction to flow in the sewer or be detrimental to proper wastewater treatment plant operations;
(E) Any rainwater, storm water, ground water, street drainage, subsurface drainage, roof drainage, yard drainage, water from yard fountains, ponds or lawn sprays or any other uncontaminated water;
(F) Any water added for the purpose of diluting wastes which would otherwise exceed applicable maximum concentration limitations;
(G) Any nonbiodegradable cutting oils, commonly called soluble oil, which form persistent water emulsions;
(H) Any excessive concentrations of nonbiodegradable oil, petroleum oil or refined petroleum products;
(I) Any dispersed biodegradable oils and fats, such as lard, tallow or vegetable oil in excessive concentrations that would tend to cause adverse effects on the sewerage system;
(J) Any waste with an excessively high concentration of cyanide;
(K) Any unreasonably large amounts of undissolved or dissolved solids;
(L) Any wastes with excessively high BOD, COD or decomposable organic content;
(M) Any strongly odorous waste or waste tending to create odors;
(N) Any wastes containing over one-tenths milligram/liter of dissolved sulfides;
(O) Any wastes with a pH high enough to cause alkaline incrustations on sewer walls;
(P) Any substance promoting or causing the promotion of toxic gases;
(Q) Any waste having a temperature of 120ºF or higher;
(R) Any wastes requiring an excessive quality of chlorine or other chemical compound used for disinfection purposes;
(S) Any excessive amounts of chlorinated hydrocarbon or organic phosphorus type compounds;
(T) Any excessive amounts of deionized water, steam condensate or distilled water;
(U) Any waste containing substances that may precipitate, solidify or become viscous at temperatures between 50ºF and 100ºF;
(V) Any waste producing excessive discoloration of wastewater or treatment plant effluent;
(W) Any garbage or waste that is not ground sufficiently to pass through a three-eighths inch screen;
(X) Any wastes containing excessive quantities of iron, boron, chromium, phenols, plastic resins, copper, nickel, zinc, lead, mercury. cadmium, selenium, arsenic or any other objectionable materials toxic to humans, animals, the local environment or to biological or other wastewater treatment processes;
(Y) Any blow-down or bleed water from cooling towers or other evaporative coolers exceeding one-third of the makeup water;
(Z) Any single-pass cooling water;
(AA) Any excessive quantities of radioactive material wastes; and
(BB) Recognizable portions of the human anatomy.
(1994 Code, § 13.20.220) (Ord. 78-105, passed - -1978) Penalty, see § 52.99