Texas Hill Country Water Management Districts Raymond M. Slade, Jr, Certified Professional Hydrologist Additional information regarding water management districts and Texas water law is presented by the Hill Country Alliance in a presentation named “Basic law and management of Texas waters” at

Under authority of the Texas Water Code Groundwater Districts manage groundwater in the State, and, River Authorities and Special Law Districts manage surface water. Groundwater Districts All groundwater districts are members of the Texas Alliance of Groundwater Districts online at A summary of the authority, operations, and programs for these districts is online at River Authority and Special Law Districts “Texas Water Info” contains much information regarding river authorities online at Many districts exist in the Hill Country. The following slides present information for these districts– their names, a map showing the boundary of their authority, and hyperlinks to their Internet homepages.

Statewide map on the Internet at

Groundwater District names by number on previous slide 2. Bandera County River Authority & Ground Water District 3. Barton Springs/Edwards Aquifer CD 5. Blanco-Pedernales GCD Central Texas GCD Cow Creek GCD Edwards Aquifer Authority Hays Trinity GCD Hickory UWCD No Hill Country UWCD Kimble County GCD P O Box 31, Junction, Texas Medina County GCD Real-Edwards C and R District Trinity Glen Rose GCD Uvalde County UWCD

Statewide map on the Internet at

River Authority and Special law Districts from previous slide Bexar-Medina-Atascosa Counties WCID #1 226 Hwy 132, Natalia, TX Bexar Metropolitan Water District Guadalupe-Blanco River Authority Lower Colorado River Authority Nueces River Authority San Antonio River Authority Upper Guadalupe River Authority