River basins
Brazos River Basin28 · 82.5%Canadian River Basin2 · 39.8%Colorado River Basin19 · 64.0%Cypress River Basin5 · 85.4%Guadalupe River Basin2 · 94.9%Lavaca River Basin1 · 85.5%Neches River Basin8 · 66.1%Nueces River Basin2 · 37.6%Red River Basin13 · 86.5%Rio Grande River Basin3 · 34.8%Sabine River Basin6 · 84.6%San Antonio River Basin1 · 27.5%San Jacinto River Basin4 · 94.0%Sulphur River Basin3 · 76.2%Trinity River Basin24 · 85.2%
Water planning areas
Brazos G (Region G) Water Planning Area26 · 83.3%Coastal Bend (Region N) Water Planning Area2 · 37.6%East Texas (Region I) Water Planning Area13 · 73.5%Lavaca (Region P) Water Planning Area1 · 85.5%Llano Estacado (Region O) Water Planning Area3 · 48.2%Lower Colorado (Region K) Water Planning Area6 · 94.9%North East Texas (Region D) Water Planning Area12 · 84.1%Panhandle (Region A) Water Planning Area3 · 36.4%Plateau (Region J) Water Planning Area1 · 46.6%Region B Water Planning Area6 · 73.6%Region C Water Planning Area25 · 86.4%Region F Water Planning Area14 · 30.5%Region H Water Planning Area5 · 92.2%Rio Grande (Region M) Water Planning Area1 · 20.2%South Central Texas (Region L) Water Planning Area3 · 69.1%
Water supply for cities
Lakes Supplying Abilene4 · 40.8%Lakes Supplying Amarillo1 · 44.7%Lakes Supplying Austin4 · 94.5%Lakes Supplying Beaumont–Port Arthur2 · 62.2%Lakes Supplying Brownsville2 · 34.4%Lakes Supplying Corpus Christi3 · 44.7%Lakes Supplying Dallas7 · 85.9%Lakes Supplying El Paso1 · 4.8%Lakes Supplying Fort Worth7 · 80.3%Lakes Supplying Houston5 · 92.2%Lakes Supplying Laredo1 · 46.6%Lakes Supplying Lubbock2 · 49.3%Lakes Supplying Midland–Odessa3 · 24.8%Lakes Supplying Nacogdoches1 · 82.7%Lakes Supplying San Angelo4 · 29.6%Lakes Supplying Temple–Killeen1 · 96.5%Lakes Supplying Texarkana1 · 100.0%Lakes Supplying Tyler1 · 82.8%Lakes Supplying Waco1 · 87.1%Lakes Supplying Wichita Falls3 · 73.3%