§ 50.37 PROHIBITED DISCHARGES.
   (A)   No person shall deposit, release, throw, drain, cause or allow to be deposited, released, thrown, drained or discharged, or otherwise cause to enter the MS4, or any other drainage device which connects with the MS4, any of the following described materials or substances:
      (1)   Any acidic waste materials (having a pH value lower than 6);
      (2)   Any alkaline waste materials (having a pH value higher than 10.5);
      (3)   Any water or waste containing free-floating, or insoluble oil;
      (4)   Gasoline, naphtha, fuel oil, mineral oil or other flammable or explosive liquid, solid or gas;
      (5)   Any noxious, malodorous, poisonous, or reactive substance which, either singularly or by interaction with other substances, or by its accumulation in the MS4 becomes injurious or potentially injurious to human, plant or animal life, or property; or
      (6)   Any domestic wastewater or industrial wastewater.
   (B)   It shall be a defense to prosecution under this section that such person was authorized to commit any act, under a valid permit from the TCEQ or the U.S. EPA, which would otherwise constitute a violation at the time of commission.
   (C)   No person shall place, drop, or cause, or allow to be placed or dropped, brush cuttings, clippings, or rubbish within the MS4 or on any street in the city in such a manner that the same may be washed by the flow of water into the MS4.
   (D)   No person shall connect a line conveying sanitary sewage, domestic waste, or industrial effluent to the MS4 or allow such a connection to continue.
   (E)   No person shall discharge or release, or allow or permit the discharge or release of any of the following substances in a manner or location by which such substance may enter the city's MS4:
      (1)   Any wash water or wastewater from the washing or cleaning of pavement, including but not limited to parking lots, driveways or carports, that contains soap, detergent, solvent, degreaser, emulsifier, dispersant, or any other cleaning substance other than water;
      (2)   Any wash water or wastewater from cleaning of any pavement where a spill, leak, or other release of oil, motor fuel, or other petroleum or hazardous substance has occurred, unless all harmful quantities of such released material have been previously removed or pretreated;
      (3)   Any wash water from a commercial mobile power washer or from the washing or other cleaning of a building exterior that contains any soap, detergent, degreaser, solvent, or any other harmful cleaning substance;
      (4)   Gasoline, motor oil, used oil filters, wax, grease, antifreeze or any other motor vehicle fluids;
      (5)   Any contaminated water or waste from a commercial car wash facility, from any vehicle washing, cleaning, or maintenance area at any new or used automobile or other vehicle dealership, rental agency, body shop, repair shop, maintenance facility, or from any washing, cleaning, or maintenance area of any commercial or public service vehicle, including any truck, bus, or piece of heavy equipment, by any business or public entity;
      (6)   Any contaminated water or waste from commercial establishments including but not limited to gas stations, service stations, and auto repair shops with areas exposed to weather conditions;
      (7)   Material from an oil/water separator or an oil/water interceptor, grit trap or grease trap. Any oil/water separator or interceptor users who are discharging to the MS4 shall notify the city of the existence of such connections to the MS4 within 60 days of the effective date of this chapter. If such notification is not made during the allocated 60 days, then the detected connections to MS4 of an oil/water separator or interceptor shall be considered an illicit connection and the city reserves the right to terminate such connection immediately, without prior notice;
      (8)   Any release from a petroleum underground storage tank (PUST), or any leachate or runoff from soil contaminated by a leaking PUST, or any discharge of pumped, confirmed, or partially treated wastewater from the remediation of any such PUST unless release satisfies all of the following criteria:
         (a)   Is in compliance with all municipal, state, and federal laws;
         (b)   No discharge contains any harmful quantity of any pollutant; and
         (c)   The discharge shall not have a pH value lower than 6.0 or higher than 10.5;
      (9)   Any collected water, due to rain, surface runoff, cross connection, or illegal discharge, from any public or private underground utility manhole, including but not limited to electric power, gas pipeline, cable companies, telephone companies;
      (10)   Any effluent from a cooling tower, condenser, compressor, emissions scrubber, emissions filter, or the blowdown from a boiler;
      (11)   Any type of wastewater from residential, commercial or industrial sources; any domestic sewage; or septic tank waste;
      (12)   Any runoff or wash down water from any animal pen, kennel, or fowl or livestock containment area; and
      (13)   Any swimming pool water or filter backwash from a swimming pool or fountain, discharge from a water line if it has been disinfected by superchlorination or other means and the total residual chlorine exists in any harmful quantity or any other chemical has been used in line disinfection.
   (F)   No person shall apply used oil or other vehicle fluid to a road or land for dust suppression, weed abatement, or other similar use that introduces used oil contamination into the environment.
   (G)   No person shall introduce any type of hazardous waste generated in and around a household including, but not limited to batteries, used paints, solvents, used pesticide, and used toiletries into the MS4.
   (H)   No person shall use, dispose of, discard, store, or transport an insecticide, herbicide, or fertilizer, in a manner inconsistent with the proper usage, storage, transport and disposal set out in the labeling in accordance with the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), such that a harmful quantity of the pesticide, herbicide, or fertilizer may enter the MSA.
   (I)   No person shall wash a commercial dumpster, or residual ready-mix concrete from concrete mixing trucks, in an area where it discharges into the MS4.
(Ord. 2020-02-O, passed 2-4-2020)