02-29-2013 EDC Meeting - Laserfiche WebLink

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K. Any waters or wastes containing BODs or suspended solids of such Character and quantity that unusual attention or expense is required to handle such materials at the wastewater treatment works, except as may be permitted by specific written agreement subject to the provision of this Chapter. 5. 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 in this Chapter of this Article, and/or which in the judgment of the Public Works Supervisor or City Engineer, may have a deleterious effect upon the wastewater treatment facilities, processes or equipment; receiving waters and/or soil, vegetation, and ground water; or which otherwise create a hazard to life or constitute a public nuisance, the City may: A. Reject the wastes; B. Require pretreatment to an acceptable condition for discharge to the public sewers, pursuant to Section 307(b) of the Act and all addendums thereof, C. Require control over the quantities and rates of discharge, and/or, D. Require payment to cover the added costs of handling, treating and .-� disposing of wastes not covered by existing taxes or sewer service charges. E. If the City permits the pretreatment or equalization of waste flows, the design, installation and maintenance of the facilities and equipment shall be made at the owners' expense, and shall be subject to the review and approval of the City pursuant to the requirements of the MPCA. 6. No user shall increase the use of process water or, in any manner, attempt to dilute a discharge as a partial or complete substitute for adequate treatment to achieve compliance with the limitations contained in Sections 3 and 4 of this Article, or contained in the National Categorical Pretreatment Standards or any state requirements. 7. Where pretreatment or flow-equalizing facilities are provided or required for any waters or wastes,they shall be maintained continuously in satisfactory and effective operation at the expense of the owner(s). 8. Grease, oil and sand interceptors shall be provided when, in the opinion of the Public Works Supervisor, 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 ,•■