83-012 ORD ARTICLE III SEWER USE ORDINANCE

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5) Any noxious or malodorous liquids, gases or solids which either singly or by interaction with other wastes are sufficient to create a public nuisance or hazard to life or are sufficient to prevent entry into the sewers for maintenance or repair. 6) Any substance which may cause the effluent of the POTW or any other product of the POTW such as residues, sludges or scums to be unsuitable for reclamation and reuse or to interfere with the reclamation process. In no case shall a substance dis- charged to the POTW cause the POTW to be in non-compliance 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 Substance Control Act, or state criteria applicable to the sludge management method being utilized. 7) Any substance which will cause the POTW to violate its NPDES permit or the receiving water quality standards. 8) Any wastewater with objectionable color not removed in the treatment process, such as, but not limited to, dye wastes and vegetable tanning solutions. 9) Any unpolluted storm water, surface or ground water, roof runoff, subsurface drainage, unpolluted cooling water, unpollut- ed industrial process waters or other unpolluted drainage. In compliance with the Texas Water Quality Act and other statutes, the City Engineer may designate storm sewers and other water- courses into which unpolluted drainage may be discharged. 10) Any pollutant, including oxygen- or chlorine-demanding pollu- tants (BOD, COD etc. ) released at a flow rate and/or pollutant concentration which a user knows or has reason to know will cause interference to the POTVG`. In no case shall a slug load have a flow rate or contain concentration or qualities of pollu- tants that exceed for any period of time longer than fifteen (15) minutes more than five times the average twenty-four (24) hour concentration, quantities, or flow during normal operation. 11) Any wastewater liquid or vapor having a temperature which will inhibit biological activity in the POTVJ treatment plaiit resulting in interference, causes interference to the collection system, causes the total wastewater treatment plant influent temperature to increase at a rate of ten (10) degrees Fahrenheit or more per hour, or a combined total increase of plant influent to one hundred ten (110) degrees Fahrenheit (44 degrees C). 12) Any wastewater or other substance containing any radioactive wastes or isotopes of such halflife or concentration as may exceed limits set or established by the City Manager and the Superintendent in compliance with applicable state or federal regulations. NOTE: No person may discharge such radioactive wastes into the POTW without the written approval of the City Manager and the Superintendent. 13) Any wastewater or other substance containing phenols, hydrogen sulfide or other taste-and-odor producing substances, shall conform to the concentration limits established by the Superin- tendent. After treatment of the composite wastewater, the con.centration limits may not exceed requirements established by state, federal or other agencies with jurisdiction over discharges to receiving waters. 14) Any wastewater or other substance which poses a hazard to human or animal life or creates a public nuisance, including but not limited to the following : 12