The Groundwater Management Area 13 Planning Committee, comprised of delegates from the following groundwater conservation districts located wholly or partially within Groundwater Management Area 13: Evergreen UWCD, Gonzales County UWCD, Guadalupe County GCD, Edwards Aquifer Authority, Medina County GCD, Uvalde County UWCD, Wintergarden GCD, Plum Creek CGD, and McMullen GCD.
Groundwater Management Area 13
TWDB Groundwater Management Area 13
