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Welcome to the NEW Hays Trinity Groundwater Conservation District (HTGCD) website. We are in the process of editing out bugs.

Our mission is to conserve, preserve, recharge and prevent waste of groundwater within western Hays County. In support of the District’s mission, we provide educational materials and information about our water resources.

Click on the menu above for information on the major water resource topics such as Conservation and Drought Management.

If you are planning to drill a well on a property within the District (Click for map), please go to the Forms page for the necessary forms that need to be completed prior to drilling.


Please read our June Aquifer Health Assessment. The monthly assessment utilizes the District’s monitoring network to present current water level conditions in the Trinity Aquifer. Also included is a timestep of aquifer conditions from the past year.

Population served by Hays Trinity GCD

2001: 24,187; 2010: 36,519; 2020: 53,121