Ord 2016-012/amending chapter 86, article 8 of the san marcos city code regarding the city’s drainage utility by adding supplemental regulations and standards for controlling the introduction of pollutants into the municipal separate storm sewer system (m

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Stormwater and Stormwater Runoff - Rainfall runoff, snow -melt runoff, and surface runoff and drainage. Stormwater Management - The use of structural or non - structural control practices /BMPs designed to reduce stormwater pollutant runoff, discharge volumes, peak flow discharge rates, and detrimental changes in stream temperature that affect water quality. Stormwater Pollution Prevention Plan (SWPPP or SWP3) - A document that describes the Best Management Practices and activities to be implemented by the permit holder to identify sources of pollution or contamination at a site and actions to eliminate or reduce pollutant discharges. Stormwater Control Practices - Structural or nonstructural measures to minimize stormwater runoff to surface water in the state. Surface Water in the State - Lakes, bays, ponds, impounding reservoirs springs, rivers, streams, creeks, estuaries, wetlands, marshes, inlets, canals the Gulf of Mexico inside the territorial limits of the state (from the mean high water mark [MHWM] out 10.36 miles into the Gulf), and all other bodies of surface water, natural or artificial, inland or coastal, fresh or salt, navigable or non - navigable, and including the beds and banks of all water - courses and bodies of surface water, that are wholly or partially inside or bordering the state or subject to the jurisdiction of the state; except that waters in treatment systems which are authorized by state or federal law, regulation, or permit, and which are created for the purpose of waste treatment are not considered to be water in the state. TCE - Texas Commission on Environmental Quality. Texas Pollutant Discharge Elimination System Stormwater (TPDES,� Discharge Permit - A permit issued by the TCEQ, under the authority of Texas Water Code Sections 26.027 or 26.040 that authorizes the discharge of pollutants into or adjacent water in the state. The TPDES program is administered under the authoritdelegated pursuant to 33 United States Code Section 1342(b). Unauthorized Discharge - Any direct or indirect non - stormwater discharge to the storm drain system except as exempted in Section 86.526 Prohibition of Illicit Connections of this Division. Water Pollution Abatement Plan (WPAP) - The State required plan that is described in 30 Texas Administrative Code, Chapter 213 for identifying and implementing appropriate measures to reduce pollutants in Storm Water Discharges into identified sensitive areas of the Edwards Aquifer. The TCEQ TPDES Construction General Permit TXR150000 identifies the requirement of protective measures of the Edwards Aquifer.