943.13 GENERAL DISCHARGE PROHIBITIONS.
   (a)   Any waters or wastes which are discharged or are proposed to be discharged which contain compatible pollutants exceeding normal strength as defined in Section 943.01(a)(23) and/or incompatible pollutants which may have a deleterious effect upon the sewage treatment system, processes, equipment, or receiving waters, including violation of applicable water quality standards, or which otherwise create a hazard to life or constitute a public nuisance, the Superintendent shall:
(Ord. 16-92. Passed 2-3-92.)
      (1)   Reject the discharge of such wastes, or
      (2)   Require pretreatment of quantities and rates of discharge to an acceptable condition for discharge to the public sewers and/or,
      (3)   Require payment to cover the added cost of handling, treating and disposing of the wastes in accordance with Chapter 947.
   (b)   Provided, however, no person, firm or corporation shall contribute, discharge or cause to be discharged, directly or indirectly any of the following described substances into the City's Sewage Treatment System:
      (1)   Any liquids, solids or gases which by reason of their nature or quantity are, or may be, sufficient either alone or by interaction to cause fire or explosion or be injurious in any other way to persons or the operation of the Sewage Disposal System or POTW, including, but not being limited to: any waste streams with a closed cup flash point of less than 140 degrees Fahrenheit or sixty degrees Centigrade using the test methods specified in 40 CFR 261.21.
         (Ord. 182-91. Passed 11-18-91.)
      (2)   Any water or waste containing fats, wax, grease or oils, whether emulsified or not, in excess of 200 ppm or 100 ppm for the hydrocarbon fraction as measured by approved methods specified in 40 CFR 136, or any other solid or viscous substances which may cause obstruction to the flow in a sewer or other interferences with the operation of the systems.
         (Ord. 160-2007. Passed 8-20-07.)
      (3)   Any wastewater having a pH less than 5.0 or higher than 10.0 or having any other corrosive property capable of causing damage or hazard to structures, equipment or personnel of the system.
      (4)   Any wastewater containing toxic pollutants in sufficient quantity, either singly or by interaction to injure or interfere with any wastewater treatment process, constitute a hazard to humans or animals, or to exceed the limitations set forth in applicable Categorical Pretreatment Standards.
      (5)   Any water or wastes containing pollutants which either singly or by interaction produce or result in the presence of toxic gases, vapors or fumes within the sewer system or POTW in a quantity that may cause acute worker health and/or safety problems.
      (6)   Any substance which may cause the WRF's effluent or treatment residues, sludges, or scums, to be unsuitable for reclamation and reuse or to interfere with the reclamation process. In no case, shall a substance discharged to the Sewage Treatment System cause noncompliance with sludge use or disposal criteria, guidelines or regulations developed under Section 405 of the Act; any criteria, guidelines, or regulations affecting sludge use or disposal developed pursuant to the Solid Waste Disposal Act, the Clean Air Act, the Toxic Substances Control Act, or State standards applicable to the sludge management method being used.
      (6)   Any substance which may cause the WRF's effluent or treatment residues, sludges, or scums, to be unsuitable for reclamation and reuse or to interfere with the reclamation process. In no case, shall a substance discharged to the Sewage Treatment System cause noncompliance with sludge use or disposal criteria, guidelines or regulations developed under Section 405 of the Act; any criteria, guidelines, or regulations affecting sludge use or disposal developed pursuant to the Solid Waste Disposal Act, the Clean Air Act, the Toxic Substances Control Act, or State standards applicable to the sludge management method being used.
      (7)   Any substance which will cause the WRF to violate its NPDES and/or other Disposal System Permits.
      (8)   Any substance with objectionable color not removed in the treatment process, such as, but not limited to, dye wastes and vegetable tanning solutions.
      (9)   Any wastewater having a temperature which will inhibit biological activity in the WRF resulting in interference; but in no case, wastewater with a temperature at the introduction into the Sewage Treatment System which exceeds 40o C (104o F).
         (Ord. 182-91. Passed 11-18-91.)
      (10)   Any slug as defined in Section 943.01(a)(45).
         (Ord. 16-92. Passed 2-3-92.)
      (11)   Any unpolluted water including, but not limited to noncontact cooling water.
      (12)   Any wastewater containing any radioisotopes of such half life or concentration as exceed limits established by the City in compliance with applicable State or Federal regulations.
      (13)   Any wastewater which causes a hazard to human life or creates a public nuisance.
      (14)   Any storm water, surface water, ground water, roof runoff, subsurface drainage, cooling water or unpolluted industrial process waters to any sanitary sewer.
 
   (c)   No person shall access the sewer system or POTW for any activity including discharge of hauled septic or other approved wastes except at locations and at times as designated by the Service Director and/or Superintendent. Any removal of manhole lids, or other access to the sewer system for the purpose of discharging wastes at times and/or locations other than those designated by the Service Director and/or Superintendent, or without the expressed permission of the Service Director and/or Superintendent, shall be considered a violation of this chapter and shall be subject to enforcement action including fines and penalties allowed under this chapter.
 
   (d)   Storm water and all unpolluted drainage shall be discharged to such sewers as are specifically designated as storm sewers, or to a natural outlet as approved by the City Engineer, and subject to the approval of the appropriate regulatory agencies.
(Ord. 182-91. Passed 11-18-91.)