Groundwater Management Area 13
Guadalupe County Appraisal District
Texas Natural Resources Information System
Texas Commission on Environmental Quality
Texas General Land Office
Texas Alliance of Groundwater Districts
Texas Legislature Online
Guadalupe County Website
Edwards Aquifer Authority
Texas Water Development Board
San Antonio Water System Kid's Page
Groundwater Resources Division, TWBD
Texas Water Matters
Region L Water Planning Group
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TWDB Kid's Page
GROUNDWATER CONSERVATION DISTRICT
