The High Gabriel Water Supply Corporation relies on groundwater from the Trinity Aquifer. The resources below provide helpful information about groundwater and water conditions in Texas. Also, find helpful links to Texas government and Williamson County.
Texas Water Development Board www.twdb.texas.gov
Texas Commission on Environment Quality www.tceq.texas.gov
Williamson County wilcotx.gov for Fire Marshal and County Commissioners Court
Texas Aquifers Groundwater Division | Texas Water Development Board
State of Texas Water Conditions January 2026 Report
Trinity Aquifer Edwards-Trinity (Plateau) Aquifer | Texas Water Development Board