Texas Ground Water Association: To Develop, Promote, and Protect Texas Ground Water

Ground Water Facts & Info


Aquifer maps from Texas Water Development Board (TWDB):

major aquifers of Texas map, linked to pdf version minor aquifers of Texas map, linked to pdf version

More maps are available on the TWDB website.

Survey Results

View results from the Groundwater Conservation District Survey.

Ground Water Entities & Responsibilities

The Texas Commission on Environmental Quality (TCEQ) is charged with protecting state groundwater resources.

The Texas Water Development Board (TWDB) is charged with guiding and financing development of adequate water supplies within Texas.

The Texas Department of Licensing and Regulation (TDLR) licenses and regulates water well drillers and pump installers in the state.