§ 13.08.170. Additional prohibited uses—Excessive volume.

No person shall discharge, or permit the discharge into a building sewer or the sanitary sewer system, without prior written approval of the Director of Public Works, and the agency providing sewage treatment facilities, any waters or wastes having an average daily flow greater than 0.75 million gallons per day and having any of the following characteristics:

A.

Temperature in excess of one hundred fifty (150) degrees Fahrenheit;

B.

Suspended solids, or matter which upon dilution with water or sewage results in the formation of suspended solids, in excess of five hundred (500) milligrams per liter and which adversely affects any part of the sewer system;

C.

Biochemical Oxygen Demand in excess of four hundred (400) milligrams per liter;

D.

Oils and greases of animal, vegetable, or mineral origin floating, dispersed, or emulsified in excess of one hundred (100) milligrams per liter or in any amount as to adversely affect any part of the sewer system;

E.

A pH of less than five and five-tenths (5.5) or more than ten and five-tenths (10.5);

F.

Dissolved sulfides in excess of one milligram per liter.

(Prior code § 6-6.172)