| Bandera County RA & GWD |
| Barton Springs/Edwards Aquifer CD |
| Bee GCD |
| Blanco-Pedernales GCD |
| Bluebonnet GCD |
| Brazoria County GCD |
| Brazos Valley GCD |
| Brewster County GCD |
| Brush Country GCD |
| Calhoun County GCD |
| Central Texas GCD |
| Clear Fork GCD |
| Clearwater UWCD |
| Coastal Bend GCD |
| Coastal Plains GCD |
| Coke County UWCD |
| Colorado County GCD |
| Comal Trinity GCD |
| Corpus Christi ASRCD |
| Cow Creek GCD |
| Crockett County GCD |
| Culberson County GCD |
| Duval County GCD |
| Edwards Aquifer Authority |
| Evergreen UWCD |
| Fayette County GCD |
| Fort Bend Subsidence District |
| Fox Crossing Water District |
| Garza County UWCD |
| Gateway GCD |
| Glasscock GCD |
| Goliad County GCD |
| Gonzales County UWCD |
| Guadalupe County GCD |
| Harris-Galveston Coastal Subsidence District |
| Hays Trinity GCD |
| Headwaters UWCD |
| Hemphill County UWCD |
| Hickory UWCD No. 1 |
| High Plains UWCD No.1 |
| Hill Country UWCD |
| Hudspeth County UWCD No. 1 |
| Irion County WCD |
| Jeff Davis County UWCD |
| Kenedy County GCD |
| Kimble County GCD |
| Kinney County GCD |
| Lavaca County GCD |
| Lipan-Kickapoo WCD |
| Live Oak UWCD |
| Llano Estacado UWCD |
| Lone Star GCD |
| Lone Wolf GCD |
| Lost Pines GCD |
| Lower Trinity GCD |
| McMullen GCD |
| Medina County GCD |
| Menard County UWCD |
| Mesa UWCD |
| Mesquite GCD |
| Mid-East Texas GCD |
| Middle Pecos GCD |
| Middle Trinity GCD |
| Neches & Trinity Valleys GCD |
| North Plains GCD |
| North Texas GCD |
| Northern Trinity GCD |
| Panhandle GCD |
| Panola County GCD |
| Pecan Valley GCD |
| Permian Basin UWCD |
| Pineywoods GCD |
| Plateau UWC and Supply District |
| Plum Creek CD |
| Post Oak Savannah GCD |
| Prairielands GCD |
| Presidio County UWCD |
| Real-Edwards C and R District |
| Red River GCD |
| Red Sands GCD |
| Refugio GCD |
| Rolling Plains GCD |
| Rusk County GCD |
|
| San Patricio County GCD |
| Sandy Land UWCD |
| Santa Rita UWCD |
| Saratoga UWCD |
| South Plains UWCD |
|
| Southeast Texas GCD |
| Southern Trinity GCD |
| Starr County GCD |
| Sterling County UWCD |
| Sutton County UWCD |
| Terrell County GCD |
| Texana GCD |
| Trinity Glen Rose GCD |
| Upper Trinity GCD |
| Uvalde County UWCD |
| Victoria County GCD |
| Wes-Tex GCD |
| Wintergarden GCD |