Water / Wastewater

The Water-Wastewater Utility is owned by the City of San Marcos and operates a high quality wastewater treatment plant and water system rated superior by the State of Texas. Roughly 2/3 of the City’s water comes from surface water treated at the City’s Water Plant under the operation of the Guadalupe-Blanco River Authority. The utility promotes water conservation and works closely with agencies such as the GBRA, the Edwards Aquifer Authority, the Texas Commission on Environmental Quality and other organizations to develop regional water policies.

To report a water leak, call 512-393-8010.

The City of San Marcos strives to protect the Edwards Aquifer Recharge Zone which lies under the western portion of the city.

  1. San Marcos COVID Test Site Moves to Rattler Stadium

    The location for this week’s free walk-up COVID testing in San Marcos has moved from San Marcos High School to the San Marcos Toyota Rattler Stadium. Read on...
  2. Weekend Vehicle Collision Results in Motorcyclist Fatality

    The City of San Marcos Police Department, Fire Department, and Hays County EMS were dispatched to the 1600 block of Post Road for a traffic collision involving... Read on...
  3. San Marcos to Enter Stage 1 Drought Restrictions

    Stage 1 rules limit at-home car washing, washing impervious surfaces and foundation watering to one day per week. Full rules can be found on the City... Read on...
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