The Hays Trinity Groundwater Conservation District is our county level elected local government resource for information on aquifers, groundwater and wells.  Their offices are west of Sawyer Ranch Rd. on Hwy-290.

Hays Trinity Groundwater Conservations District

Center Lake Business Park
14101 Hwy 290 W
Bldg. 100, Suite 212
Austin, Texas 78737

Texas Well Owner Network (Texas A&M)

 Texas Water Development Board Groundwater Information

Rainwater Harvesting Guidance from the Texas Water Development Board

Rainwater Harvesting Documents and Presentations