(A) If any waters or wastes are discharged, or are proposed to be discharged to the public sewers, which contain substances or possess the characteristics enumerated herein, and/or which in the judgment of the Commission may have a deleterious effect upon the wastewater treatment facility processes, equipment or receiving water and/or soil, vegetation and ground water or which otherwise create a hazard to life or constitute a public nuisance, the city may:
(1) Reject the wastes;
(2) Require pretreatment to an acceptable condition for discharge to the public sewers; pursuant to section 307 (b) of the Act and all addendums thereof;
(3) Require control over the quantities and rates of discharge; and/or
(4) Require payment to cover the added costs of handling and treatment and disposing of wastes not covered by existing taxes or sewer service charges.
(B) If the city permits the pretreatment or equalization of waste flows, the design and installation of the facilities and equipment shall be made at owner’s expense and shall be subject to the review and approval of the Commission, pursuant to the requirements of the MPCA.
(`87 Code, § 403.04)