1050.06 SPECIFIC PROHIBITED DISCHARGES.
   No person shall discharge or cause to be discharged any of the following described waters or wastes into any public sewer:
   (a)    Any pollutants which create a fire or explosion hazard including, but not limited to, wastestreams with a closed cup flashpoint of less than 140 degrees Fahrenheit or 60 degrees Centigrade using the test method specified in 40 C.F.R. 261.21, which, by reason of their nature or quantity, alone or by interaction, cause fire or explosion or the risk thereof or cause damage or interference to the operation of the POTW or risk thereto;
   (b)    Solid or viscous substances, including, but not limited to, straw, metal fragments, glass, rags, plastics, garbage that has not been properly shredded and other wastes which obstruct the flow in a sewer or cause risk thereof or cause interference to the operation of the POTW or risk thereto;
   (c)    Any wastewater having a pH less than 5.0 or higher than 11.0 or having a corrosive property that causes damage or hazard to structures, equipment or personnel of the system or risk thereto;
   (d)    Any wastewater containing toxic pollutants, that either singly or by interaction, cause damage or interference with any wastewater treatment process or risk thereto, constitute a hazard to humans or animals or a risk thereto, or exceed the limits established by the City in compliance with applicable State and Federal regulations;
   (e)    Any noxious or malodorous liquid, gas or solid that, either singly or by interaction, creates damage or prejudice to others or the public or hazard to life or the risk thereof or is sufficient to prevent entry into the sewers for their maintenance and repair;
   (f)    Any substance which causes the POTW's effluent or treatment residues, sludges or scums to interfere with the City's policy for reclamation and re-use, to be unsuitable for reclamation and re-use or to interfere with the reclamation process;
   (g)    Any substance which causes the POTW to violate its NPDES and/or other disposal system permits or the risk thereof;   
   (h)    Any substance with color not removed in the treatment process, such as, but not limited to, dye wastes and vegetable tanning solutions, such as to place the City in violation of its NPDES permit;
   (i)    Any wastewater with a temperature, at the introduction into the POTW, exceeding forty degrees Centigrade (104 degrees Fahrenheit) or exceeding sixty-five degrees Centigrade (150 degrees Fahrenheit) at the point of discharge;
   (j)    Any slug;
   (k)    Petroleum oil, nonbiodegradable cutting oil, or products of mineral oil origin in amounts that will cause interference in or pass through the POTW;
   (l)    Biochemical oxygen demand, chemical oxygen demand, suspended solids or phosphorus which causes damage or interference to the POTW or risk thereto.
   (m)    Flows of a magnitude of variation which cause damage or interference to the POTW or risk thereto;
   (n)    Discharges into the City system which are not in compliance with Section 1050.16(e).
   (o)    Any waters or wastes containing strong acid iron pickling wastes or concentrated plating solutions, whether neutralized or not;
   (p)    Any waters or wastes containing iron, chromium, copper, zinc and similar objectionable or toxic substances, or wastes exerting an excessive chlorine requirement, to such a 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;
   (q)    Any waters or wastes containing phenols or other taste or odor-producing substances, in concentrations exceeding limits which 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;
   (r)    Any radioactive wastes or isotopes of such a half-life or concentration as may exceed limits established by the Superintendent in compliance with applicable State or Federal regulations;
   (s)    Materials which exert or cause unusual concentrations of inert suspended solids, including, but not limited to, Fullers earth, lime slurries and lime residues, or of dissolved solids, including, but not limited to, sodium chloride and sodium sulfate; and
   (t)   Waters or wastes containing substances which are not amenable to treatment or reduction by the sewage treatment processes employed, or which are amenable to treatment only to such a degree that the sewage treatment plant effluent cannot meet the requirements of other agencies having jurisdiction over discharge to the receiving waters.
   (u)    Any trucked or hauled pollutants, except at discharge points designated by the approving authority on behalf of the POTW.
(Ord. 1991-230. Passed 1-21-92.)