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TRINITY GLEN ROSE GROUNDWATER CONSERVATION DISTRICT
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US Drought Monitor - Interactive map of the current U.S. drought status.
U.S. Geological Survey
State
Texas Water Development Board (TWDB)
TWDB Groundwater Resources
Texas Alliance of Groundwater Districts (TAGD)
Texas Department of Licensing and Regulation
Texas Well Owners Network - Fact Sheets for Well Owners
Texas Commission on Environmental Quality
Texas Commission on Environmental Quality Approved Water Haulers Updated July 2026
South Central Texas Regional Water Planning Group
Cibolo Center for Conservation
Edwards Aquifer Authority
Hill Country Alliance​
Greater Edwards Aquifer Alliance
Local
San Antonio Water System (SAWS)
SAWS Garden Style
San Antonio River Authority
San Antonio Parks and Recreation - Parks
Gardening Volunteers of South Texas
Texas Agrilife Extension Landscaping