| Alabama Creek |
| Alamito Creek/Cienega Creek |
| Angelina River |
| Arenosa Creek |
| Attoyac Bayou |
| Balcones Creek watershed springs |
| Balmorhea Springs Complex |
| Barton Springs |
| Bayou Loco |
| Beaver Dam Creek |
| Big Aguja Creek |
| Big Cow Creek |
| Big Creek (Lower Trinity River) |
| Big Creek (Middle Trinity River) |
| Big Iron Ore Creek |
| Black Bayou |
| Black Cypress Bayou |
| Black River/McKittrick Canyon |
| Blanco River |
| Bofecillos Canyon |
| Bowles Creek |
| Brazos River (Granbury to Whitney) |
| Brazos River (Possum Kingdom to Granbury) |
| Brushy Creek (Neches River) |
| Brushy Creek (Sabine River) |
| Brushy Creek watershed springs |
| Buck Creek |
| Buckners Creek |
| Bull Creek watershed springs |
| Caddo Lake |
| Caney Creek (San Jacinto River) |
| Cedar Creek (Colorado River) |
| Cedar Lake Creek |
| Cedar/Jack Creeks |
| Cherry Canyon |
| Chicken Creek |
| Clear Creek (Trinity River) |
| Clear Fork Brazos River |
| Clear Spring |
| Coastal Guadalupe River |
| Cochino Bayou |
| Coloma Creek |
| Colony Creek |
| Comal Springs |
| Concho River |
| Cummins Creek |
| Cypress Branch |
| Cypress Creek |
| Deadman Creek |
| Devils River |
| Diamond Y Spring/Draw |
| Dolan Creek |
| Double Mountain Fork Brazos River |
| Duck Creek |
| East Fork San Jacinto River |
| Edwards Aquifer - San Antonio |
| Edwards Aquifer - San Marcos |
| Elm Creek (Brazos River) |
| Elm, Bluff Creeks |
| Fern Bank Springs |
| Frazier Creek |
| Garcitas Creek |
| Hickory Creek |
| Honey Creek (Guadalupe River) |
| Hueco Springs |
| Independence Creek |
| Ioni Creek |
| Irons Bayou/Martin Creek/Martin Lake |
| James River |
| Johnson Creek |
| Keechi Creek |
| Kickapoo Creek |
| Lake Creek |
| Lake Fork Creek |
| Lampasas River |
| Lavaca River |
| Leon Creek watershed springs |
| Leon River |
| Limpia Springs/Creek |
| Little Aguja Creek |
| Little Brazos River |
| Little Cow Creek |
| Little Cypress Bayou |
| Little Pine Island Bayou |
| Little River (Brazos River) |
| Little Sandy Creek |
| Live Oak Creek |
| Llano River |
| Love Creek |
| Lower Angelina River |
| Lower Brazos River |
| Lower Canadian River |
| Lower Colorado River |
| Lower Guadalupe River |
| Lower Neches River |
| Lower Nueces River/Lake Corpus Christi |
| Lower Pecos River |
| Lower Sabine River |
| Lower San Antonio River |
| Lower Trinity River |
| Luce Bayou |
| Madera Canyon |
| Medina River |
| Middle Brazos River |
| Middle Canadian River |
| Middle Guadalupe River |
| Middle Sabine River |
| Middle Trinity River |
| Middle Yegua Creek |
| Mill Creek |
| Minneosa Creek |
| Mission River/Blanco Creek |
| Moore/Bugby Creek |
| Murvaul Bayou |
| Navasota River |
| Navidad River |
| Nelson Creek |
| North Canadian River |
| North Fork Double Mountain Fork Brazos River |
| North Fork Guadalupe River |
| Oak Creek |
| Pease River |
| Pedernales River |
| Pine Creek |
| Pinto Creek |
| Pond Creek |
| Prairie Dog Town Fork Red River |
| Pulliam Creek |
| Punta de Aqua Creek |
| Red River |
| Rio Grande (Brownsville to mouth) |
| Rio Grande (Falcon to Brownsville) |
| Rio Grande Big Bend 1 |
| Rio Grande Big Bend 2 |
| Sabana River |
| Sabinal River |
| Salado Springs/Salado Creek |
| Salt Creek (Pecos River) |
| Salt Fork Brazos River |
| San Bernard River |
| San Felipe Creek |
| San Gabriel River |
| San Gabriel River watershed springs |
| San Marcos Springs/San Marcos River |
| San Saba River |
| Sanders Creek |
| Sandy Creek (Colorado River) |
| Sandy Creek (Matagorda Bay) |
| Sims Creek |
| Socagee Creek |
| South Concho River |
| South Fork San Gabriel River/San Gabriel River |
| South Leon River |
| Spring, Dove Creeks |
| Sulphur River/North Sulphur River |
| Sycamore Creek/Mud Creek |
| Terlingua Creek |
| Tidal Nueces River |
| Travis County springs |
| Unknown Canadian River tributary 1 |
| Upper Brazos River |
| Upper Colorado River |
| Upper Frio River |
| Upper Guadalupe River |
| Upper Keechi Creek |
| Upper Neches River |
| Upper Nueces River |
| Upper Prairie Dog Town Fork Red River |
| Upper Red River |
| Valley Creek |
| Village Creek |
| Walnut Creek |
| Walnut Creek watershed springs |
| West Bernard Creek |
| White Oak Creek |
| Wichita River |
| Winters Bayou |
| Wolf Creek (North Canadian River) |