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Stormwater & MS4 Areas

Hays County is subject to the requirements of the Texas Commission on Environmental Quality (TCEQ) Texas Pollutant Discharge Elimination System (TPDES) General Permit No. TXR040000, issued January 24, 2019, which sets the requirements and conditions for stormwater discharges from a small municipal separate storm sewer system (MS4) to surface waters in the state. The County previously developed and implemented a stormwater management program (SWMP) to comply with the original TPDES Small MS4 General Permit issued in August 2007 since it was located within the San Marcos-Buda-Kyle, Texas Urbanized Area (UA), as defined by the 2000 U.S. Census. For more information on the Urbanized Areas & Urban Clusters, please visit https://www2.census.gov/geo/maps/dc10map/UAUC_RefMap/ua/.

EPA Educational Materials

Protecting Water Quality
Protect Local Water Ways
Texas Lawn Care
How a House Works

Documents

Hays County MS4 Map
Hays County Notice of Intent
Hays County Stormwater Management Program (SWMP)
Hays County SWMP Compiled Report (Full)

For more information or to file a formal complaint please contact the Hays County Transportation Department
2171 Yarrington Rd., Kyle, Texas 78640           Phone: 512-393-7385           Email: stormwater@co.hays.tx.us

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