92-017 ORD - Laserfiche WebLink

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. iv. Unusual volume of flow or concentration of wastes constituting a slug. v. Water or wastes containing substances which are not amendable to treatment or reduction by the sewage treatment processes employees, or are amendable to treatment only to such a degree that the sewage treatment plant effluent cannot meet the requirements of the NPDES Permit or requirements of other governmental agencies having jurisdiction over discharge from the sewage treatment plant. 9. If any water or wastes are discharged, or are proposed to be discharged, directly or indirectly, to the public sewers, which water or wastes do not meet the standards set forth in or promulgated under this section of which, in the judgement of the City, may have a deleterious effect upon the wastewater treatment works, processes, equipment or receiving waters, or which otherwise create a hazard to life or constitute a public nuisance, the City may take any or all of the following steps: a. Refuse to accept the discharges; or b. Require control over the quantities and rates of discharge; or . c. Require pretreatment to an acceptable condition for the discharge to the public sewers; pursuant to Section 307 (b) of the Act and all addendums thereof; or d. Require payment to cover the adequate cost of handling, treating and disposing of the wastes not covered by existing taxes or sewer service charges. If the City permits the pretreatment of equalization of waste flows, the design and installation of the plant and equipment shall be made at the owner's expense, and shall be subject to the review and approval of the City pursuant to the requirements of the MPCA. . 10. Grease, oil and sand interceptors or equalization tanks shall be provided and installed by the owner when, in the opinion of the City they are necessary for the proper handling of liquid wastes containing floatable grease in excessive amounts as specified in Section 4(b), any flammable wastes, as specified in Section 3(a), sand, or other harmful ingredients; except that such interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be to the type to be readily and easily accessible for cleaning and inspection. In the maintaining of these interceptors, the owner(s) shall be responsible for the proper removal and disposal of the captured materials by appropriate means, and shall maintain a record of dates and means of disposal which are subject to review by the City. Any removal and hauling of the collected materials not performed by the owners personnel, must be performed by a currently licensed waste disposal firm.