(a) 
No person shall introduce or cause to be introduced, into the municipal separate storm sewer system (MS4), including drainageways and streams, any discharge that is not composed entirely of stormwater, except those discharges listed in allowable nonstormwater discharges in section 13.09.032. Violators of this section shall implement containment and cleanup activities immediately at their own expense.
(b) 
No person shall discharge any substance to the MS4 that is prohibited by the Clean Water Act, the Texas Water Code, or the Texas Administrative Code.
(c) 
No person shall release or cause, allow, or permit to be introduced any of the following substances into the MS4, nor onto or into the ground or air such that the substance may enter the air or groundwater:
(1) 
Any used motor oil, antifreeze, or any other motor vehicle fluid;
(2) 
Any regulated or industrial waste;
(3) 
Any hazardous waste, including household hazardous waste;
(4) 
Any domestic sewage or septic tank waste (from holding tanks such as vessels, chemical toilets, campers, or trailers), grease trap waste, or grit trap waste;
(5) 
Any wastewater or equipment washwater from a commercial or carwash facility;
(6) 
Any vehicle or equipment washwater from a commercial or industrial facility;
(7) 
Any wastewater from the washing, cleaning, de-icing, or other maintenance of aircraft;
(8) 
Any use of power washing at a commercial facility that generates wastewater containing any soap, detergent, degreaser, solvent, emulsifier, dispersant, or any other cleaning substance, or any oils, grime, grit, dirt or substance resulting from the cleaning;
(9) 
Wastewater from the wash-down or other cleaning of any pavement where release of regulated material has occurred;
(10) 
Any effluent from a cooling tower, condenser, compressor, emissions scrubber, emissions filter, or the blown-down from a boiler;
(11) 
Any discharge from water line disinfection by superchlorination;
(12) 
Any substance or material that will damage, block, or clog the MS4;
(13) 
Any release from a petroleum storage tank (PST), or any leachate or runoff from soil contaminated by a leaking PST, or any discharge of pumped, confined, or treated wastewater from remediation of any such PST release;
(14) 
Any wastewater from commercial floor, rug, or carpet treatment;
(15) 
Any discharge of solids or waste from soil boring, core drilling, or any other site investigative technique;
(16) 
Any discharge from gas well drilling, derrick washing, fracturing, or other activities relating to gas pipelines, compression stations, or gas well pad sites;
(17) 
Any paint or paint-related materials;
(18) 
Any contaminated runoff from a vehicle salvage yard or storage yard;
(19) 
Any filter backwash from a swimming pool, fountain, or spa;
(20) 
Any polluted or unpolluted liquid not covered by this section.
(d) 
No person shall connect to the MS4 a line conveying domestic, commercial, or industrial sanitary sewer or wastewater.
(e) 
No person shall introduce or cause to be introduced into the MS4 any sediment, silt, earth, soil, or other material associated with clearing, grading, excavation, filling, hauling, soil boring, core drilling, or other construction activities.
(f) 
No person shall introduce or cause to be introduced to the MS4 any sediment, unused ready mix concrete, mortar, asphalt, or other unused construction materials or washwater associated with these materials.
(g) 
No person shall introduce or cause to be introduced to the MS4 any sediment, dust, or other solid material from any activity not intended for outside disposal or accumulation.
(h) 
No person shall use or store any solid waste, regulated waste, or hazardous waste or regulated waste in a manner that the material could enter the MS4.
(i) 
No person shall cause or allow leaves, grass clippings, or other yard waste to enter into the MS4.
(j) 
No person shall knowingly discharge or cause to be discharged water containing fertilizers, pesticides or herbicides into the MS4.
(k) 
No person shall introduce or allow to be introduced into or upon any public or private property that drains or may drain to the MS4 any solid or semi-solid material, such as floatables, or discarded or abandoned objects, articles, and accumulations, on property whether or not it was generated, placed, stored, or located by the user of such materials in such a manner that causes the material to be transported by the wind, rain, or other atmospheric conditions into the MS4.
(l) 
No person shall introduce nonnative solids or liquids into the MS4 or to the waters of the United States with the exception of those activities listed in section 13.09.032 (allowable nonstormwater discharges) of this article.
(Ordinance 2016-01, ex. A, adopted 1/12/16)
(a) 
No person shall introduce or cause to be introduced into the MS4 any discharge that is not composed entirely of stormwater, with the exception of those activities listed in subsections (1) through (14), below, unless said activities are determined to be a nuisance.
(1) 
Discharge authorized by, and in full compliance with, NPDES/TPDES construction or multisector industrial permits;
(2) 
Discharge or flow resulting from firefighting activities by the fire department;
(3) 
A discharge or flow of fire protection water that does not contain oil or hazardous substances;
(4) 
Unpolluted agricultural stormwater runoff;
(5) 
A discharge or flow from potable water line flushing (excluding discharges of hyperchlorinated water, unless the water is first dechlorinated and discharges are not expected to adversely impact aquatic life);
(6) 
Uncontaminated runoff or return flow from landscape irrigation, lawn irrigation, and other irrigation utilizing potable water, groundwater, or surface water sources that does not create a nuisance;
(7) 
Discharges from unpolluted pumped groundwater or rising groundwater;
(8) 
Unpolluted groundwater infiltration;
(9) 
Unpolluted discharge or flow from a foundation drain, crawl space pump, footing drain, or sump pump;
(10) 
Discharges from air-conditioning condensation free of oils;
(11) 
Discharges from individual residential vehicle washing;
(12) 
Discharges from a riparian habitat or wetland; and/or
(13) 
Stormwater runoff from a roof that is not contaminated by any runoff or discharge from an emissions scrubber or filter or any other source of pollutant;
(14) 
Swimming pool water that has been dechlorinated so that total residual chlorine (TRC) is less than 1.0 mg/L and that contains no harmful quantity of chlorine, muriatic acid or other chemical used in the treatment or disinfection of the swimming pool water or in pool cleaning.
(b) 
Persons wishing to discharge water other than that listed under subsection (a) of this section and not listed as a specific prohibition under section 13.09.031, must file a written request to the control authority five (5) days prior to the date of discharge that details the source of the discharge and the volume of the discharge. Written authorization must be obtained from the control authority prior to discharge.
(Ordinance 2016-01, ex. A, adopted 1/12/16)
No person shall discharge, or cause to be discharged, stormwater associated with regulated commercial, industrial or construction activities, without first having obtained an NPDES or TPDES permit to do so.
(Ordinance 2016-01, ex. A, adopted 1/12/16)
(a) 
The construction, use, maintenance, or continued existence of illicit connections to the MS4 are prohibited.
(b) 
This prohibition expressly includes, without limitation, illicit connections made in the past, regardless of whether the connection was permissible under law or practices applicable or prevailing at the time of connection.
(c) 
A person is considered to be in violation of this article if the person connects a line conveying an illegal discharge to the MS4, or allows such a connection to continue.
(Ordinance 2016-01, ex. A, adopted 1/12/16)
(a) 
Suspension due to illicit discharges in emergency situations.
The city, without prior notice, may suspend MS4 discharge access to a person when such suspension is necessary to stop an actual or threatened discharge which presents or may present imminent and substantial danger to the environment, the health or welfare of persons, the MS4, water in the state, or waters of the United States. If the violator fails to comply with a suspension order issued in an emergency, the authorized enforcement agency may take such steps as deemed necessary to prevent or minimize damage to the MS4, water in the state, or waters of the United States, or to minimize danger to persons.
(b) 
Suspension due to the detection of illicit discharges.
Any person discharging to the MS4 in violation of this article may have their MS4 access terminated if such termination would abate or reduce an illicit discharge. The city will notify a violator of the proposed termination of its MS4 access. The violator may petition the city for a reconsideration and hearing in accordance with current city policy.
(c) 
Reinstatement without permission.
A person commits an offense if the person reinstates MS4 access to premises terminated pursuant to this section, without the prior approval of the city.
(Ordinance 2016-01, ex. A, adopted 1/12/16)
Any person subject to an industrial or construction activity NPDES or TPDES stormwater discharge permit shall comply with all provisions of such permit. Proof of compliance with said permit may be required in a form acceptable to the city prior to allowing discharges to the MS4.
(Ordinance 2016-01, ex. A, adopted 1/12/16)
(a) 
The operator of a facility, including construction sites, that is required to have a NPDES or TPDES permit to discharge stormwater associated with industrial or construction activity shall submit a copy of the notice of intent (NOI) and/or a construction site notice (CSN) to the city at the same time the operator submits the original NOI to the EPA or the TCEQ, as applicable. The copy of the NOI may be delivered to the city either in person or by mail.
(b) 
A person commits an offense if the person operating a facility that is discharging stormwater associated with an industrial or construction activity does so without having submitted a copy of the NOI to the city.
(c) 
All persons must submit a copy of the notice of termination (NOT) to the city at the same time the person submits the NOT to the TCEQ.
(Ordinance 2016-01, ex. A, adopted 1/12/16)