Project Updates

Alliance Regional Water Authority - Water Treatment Plant Updates

In its mission to provide San Marcos and the other partner cities with safe and reliable water, Alliance Water continues to make progress in developing a new water supply for San Marcos.

Nearly all the projects for the Carrizo Water System have started construction. Construction is underway for the Water Treatment Plant, Maxwell Booster Pump Station, the South Inline Elevated Storage Tank, and Pipeline Segments A, B, D, and E.  The final design for the Segment C pipeline and North Elevated Storage Tank is expected to be completed Summer of 2023 with construction starting in 2024.

Visit the Alliance Water website at to learn more about their efforts to bring safe and reliable water to Central Texas.

About Alliance Water:

Alliance Water, formerly known as the Hays Caldwell Public Utility Agency/HCPUA, is a Regional Water Authority formed in January 2007. Its purpose is to resolve the long-term water needs of its sponsor participants including the City of Kyle, Buda, San Marcos, and the Canyon Region Water Authority. Alliance Water is on a mission to provide long-term, sustainable water solutions and strives to be stewards of the environment, provide transparent and responsible operations, and deliver clean, reliable water. 

ARWA is a political subdivision of the State of Texas created through the passage of Senate Bill 1198 in the 85th Texas Legislature. A water authority can develop water supplies, transport water, and/or develop wastewater treatment facilities. This collaboration allows entities to work in tandem to improve the economies of scale on water (or wastewater) projects that would otherwise be cost-prohibitive

  1. 1
  2. 2
  3. 3