20 metro-area supply systems, lowest first · TWDB conditions as of Jul 24, 2026
32,212 af of 1.96M af conservation capacity across 1 reservoir
363,874 af of 1.27M af conservation capacity across 3 reservoirs
345,160 af of 1.08M af conservation capacity across 3 reservoirs
1.11M af of 3.38M af conservation capacity across 2 reservoirs
296,674 af of 862,151 af conservation capacity across 4 reservoirs
442,699 af of 945,568 af conservation capacity across 4 reservoirs
290,514 af of 596,207 af conservation capacity across 2 reservoirs
2.14M af of 2.93M af conservation capacity across 2 reservoirs
463,545 af of 562,011 af conservation capacity across 3 reservoirs
2.21M af of 2.45M af conservation capacity across 7 reservoirs
37,217 af of 39,522 af conservation capacity across 1 reservoir
3.74M af of 3.84M af conservation capacity across 7 reservoirs
2.15M af of 2.15M af conservation capacity across 5 reservoirs
2.23M af of 2.23M af conservation capacity across 4 reservoirs
432,631 af of 432,631 af conservation capacity across 1 reservoir
122,593 af of 122,593 af conservation capacity across 1 reservoir
Groupings are TWDB's municipal water-supply systems: the monitored reservoirs each metro area draws on, not everything on its distribution network — groundwater, run-of-river rights and purchased water are outside this accounting. A reservoir can supply more than one system (Lake Texoma serves both Dallas and Texarkana), so systems overlap and can't be added together. El Paso's figure includes Elephant Butte in New Mexico, which is excluded from this site's statewide totals but is that city's principal reservoir supply.