13.28.210 Discharge of certain waters or wastes – Approval – Preliminary treatment.
A. The admission into the public sewers of any waters of wastes having: (1) a five-day biochemical oxygen demand greater than 300 parts per million by weight; or (2) containing more than 350 parts per million by weight of suspended solids; or (3) containing any quantity or substances having the characteristics described above in this section and GHMC 13.28.150 through 13.28.200; or (4) having an average daily flow greater than two percent of the average daily sewage flow of the city shall be subject to the review and approval of the superintendent.
B. Where necessary in the opinion of the superintendent, the owner shall provide, at his expense, such preliminary treatment as may be necessary to:
1. Reduce the biochemical oxygen demand to 300 parts per million and the suspended solids to 350 parts per million by weight; or
2. Reduce objectionable characteristics or constituents to within the maximum limits provided for above; or
3. Control the quantities and rates of discharge of such waters or wastes.
C. Plans, specifications, and other pertinent information relating to proposed preliminary treatment facilities shall be submitted for the approval of the superintendent and the Department of Ecology of the state, and no construction of such facilities shall be commenced until said approvals are obtained in writing. (Ord. 209 § 11, 1974).