Subd. 1. The owner shall provide, at his or her expense, the preliminary treatment as may be necessary to:
a. Reduce the biochemical oxygen demand to 300 parts per million and the suspended solids to 350 parts per million by weight; or
b. Reduce objectionable characteristics of constituents to within the maximum limits provided for in § 904.12; or
c. Control the quantities and rates of discharges of the waters or wastes.
Subd. 2. Plans, specifications and any other pertinent information relating to proposed preliminary treatment facilities shall be submitted to the approval by the City Council and the MWCC, and no construction of the facilities shall be commenced until the approvals are obtained in writing.
Subd. 3. Where preliminary treatment facilities are provided for any waters or wastes, they shall be maintained continuously in satisfactory and effective operation by the owner at his or her expense.
(1987 Code, § 904.13)