Discussion and Review of Tiffin Municipal Code Revisions – Preparation for Setting the Public Hearing — Tiffin City Code - DRAFT

CHAPTER 97 USE OF PUBLIC SEWERS 5. Acids. Any waters or wastes containing strong acid iron pickling wastes, or concentrated plating solution, whether neutralized or not. 6. Toxic or Objectionable Wastes. Any waters or wastes containing iron, chromium, copper, zinc, and similar objectionable or toxic substances; or wastes exerting an excessive chlorine requirement, to such degree that any such material received in the composite sewage at the sewage treatment works exceeds the limits established by the Superintendent for such materials. 7. Odor or Taste. Any waters or wastes containing phenols or other taste or odor producing substances, in such concentrations exceeding limits that may be established by the Superintendent as necessary, after treatment of the composite sewage, to meet the requirements of State, federal, or other public agencies of jurisdiction for such discharge to the receiving waters. 8. Radioactive Wastes. Any radioactive wastes or isotopes of such half-life or concentration as may exceed limits established by the Superintendent in compliance with applicable State or federal regulations. 9. Excess Alkalinity. Any waters or wastes having a pH in excess of 9.5. 10. Unusual Wastes. Materials that exert or cause: A. Unusual concentrations of inert suspended solids (such as, but not limited to, Fullers earth, lime slurries, and lime residues) or of dissolved solids (such as, but not limited to, sodium chloride and sodium sulfate). B. Excessive discoloration (such as, but not limited to, dye wastes and vegetable tanning solutions). C. Unusual B.O.D., chemical oxygen demand, or chlorine requirements in such quantities as to constitute a significant load on the sewage treatment works. D. Unusual volume of flow or concentration of wastes constituting “slugs” as defined herein. 11. Noxious or Malodorous Gases. Any noxious or malodorous gas or other substance that, either singly or by interaction with other wastes, is capable of creating a public nuisance or hazard to life or of preventing entry into sewers for their maintenance and repair. 12. Damaging Substances. Any waters, wastes, materials, or substances that react with water or wastes in the sewer system to release noxious gases, develop color of undesirable intensity, form suspended solids in objectionable concentration, or create any other condition deleterious to structures and treatment processes. 13. Untreatable Wastes. Waters or wastes containing substances that are not amenable to treatment or reduction by the sewage treatment processes employed, or are amenable to treatment only to such degree that the sewage treatment plant effluent cannot meet the requirements of other agencies having jurisdiction over discharge to the receiving waters. 97.05 RESTRICTED DISCHARGES; POWERS OF SUPERINTENDENT. If any waters or wastes are discharged or are proposed to be discharged to the public sewers, which waters contain the substances or possess the characteristics enumerated in Section 97.04 and which in the judgment of the Superintendent may have a deleterious effect upon the sewage CODE OF ORDINANCES, TIFFIN, IOWA - 785 -