(a) General Prohibitions. No user shall introduce or cause to be introduced into the POTW any pollutant or wastewater which causes pass through or interference. These general prohibitions apply to all users of the POTW whether or not they are subject to categorical pretreatment standards or any other National, State, or local pretreatment standards or requirements.
(b) Specific Prohibitions. No user shall introduce or cause to be introduced into the POTW the following pollutants, substances, or wastewater:
(1) Pollutants which create a fire or explosive hazard in the POTW, including, but not limited to, waste streams with a closed-cup flashpoint of less than 140 degrees F (60 degrees C) using the test methods specified in 40 CFR 261.21;
(2) Wastewater having a pH less than 6.5 or more than 9.0, or otherwise capable of causing corrosive structural damage to the POTW or equipment;
(3) Solid or viscous substances in amounts which will cause obstruction of the flow in the POTW resulting in interference;
(4) Pollutants, including oxygen-demanding pollutants (BOD, CBOD5, etc.), released in a discharge at a flow rate and/or pollutant concentration which, either singly or by interaction with other pollutants, will cause interference with the POTW;
(5) Wastewater having a temperature greater than 104 degrees F (40 degrees C), or which will inhibit biological activity in the treatment plant resulting in interference;
(6) Petroleum oil, nonbiodegradable cutting oil, or products of mineral oil origin, in amounts that will cause interference or pass through; but in no case a concentration in greater than 50 mg/L;
(7) Pollutants which result in the presence of toxic gases, vapors, or fumes within the POTW in a quantity that may cause acute worker health and safety problems;
(8) Trucked or hauled pollutants, except at discharge points designated by the Superintendent in accordance with Section 1043.034;
(9) Noxious or malodorous liquids, gases, solids, or other wastewater which, either singly or by interaction with other wastes, are sufficient to create a public nuisance or a hazard to life, or to prevent entry into the sewers for maintenance or repair;
(10) Wastewater which imparts color which cannot be removed by the treatment process, such as, but not limited to, dye wastes and vegetable tanning solutions, which consequently imparts color to the treatment plant's effluent, thereby violating the City's NPDES permit;
(11) Wastewater containing any radioactive wastes or isotopes except in compliance with applicable State or Federal regulations;
(12) Storm water, surface water, ground water, artesian well water, roof runoff, subsurface drainage, swimming pool drainage, condensate, deionized water, noncontact cooling water, and unpolluted wastewater, unless specifically authorized by the Superintendent and any person, firm, or corporation owning property on which sewer connections exist, which connections conduct any such roof or drainage waters into a sanitary sewer shall, after service of notice as provided herein, cause said connection to be eliminated and all further discharge of said roof or drainage waters into a sanitary sewer to be discontinued;
(13) Sludges, screenings, or other residues from the pretreatment of industrial wastes;
(14) Medical wastes, except as specifically authorized by the Superintendent in an individual wastewater discharge permit or a general permit;
(15) Hazardous waste. Any substance which is considered to be hazardous waste under 40 CFR 261;
(16) Wastewater causing, alone or in conjunction with other sources, the treatment plant's effluent to fail toxicity test;
(17) Detergents, surface-active agents, or other substances which might cause excessive foaming in the POTW;
(18) Fats, oils, or greases (FOG) of animal or vegetable origin in concentrations greater than 100 mg/L;
(19) Any substance which may cause the POTW'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 POTW cause the POTW to be in noncompliance with sludge use or disposal criteria, guidelines or regulations developed under Section 405 of the Act or 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.
(c) Pollutants, substances, or wastewater prohibited by this section shall not be processed or stored in such a manner that they could be discharged to the POTW.
(Ord. 3153. Passed 1-12-15.)