Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 60.1% full on 2026-03-25

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-03-25 60.1 2,474,337 2,417,202 4,019,576
Yesterday 2026-03-24 60.2 2,475,727 2,418,592 4,019,576
2 days ago 2026-03-23 60.2 2,477,790 2,420,655 4,019,576
1 week ago 2026-03-18 60.4 2,485,833 2,428,698 4,019,576
1 month ago 2026-02-25 60.8 2,501,084 2,443,949 4,019,576
3 months ago 2025-12-25 62.6 2,574,380 2,517,245 4,019,576
6 months ago 2025-09-25 65.2 2,677,408 2,620,273 4,019,576
1 year ago 2025-03-25 43.4 1,802,286 1,745,151 4,019,576
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

recent reservoir storage map

Reservoir Storage

Reservoir Type Percent Full Water Level
(ft) 		Height Above Conservation Pool
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Austin Water Supply 96.4 492.25 -0.55 23,721 23,112 23,972 1,548
Brady Creek Water Supply 95.5 1,742.31 -0.69 29,120 27,498 28,808 1,970
Brownwood Water Supply 82.5 1,421.33 -3.27 107,908 107,908 130,868 6,059
Buchanan Water Supply 94.2 1,017.75 -2.25 830,360 816,698 866,694 22,014
Champion Creek Water Supply 40.3 2,061.54 -21.46 16,748 16,748 41,580 836
Coleman Water Supply 83.1 1,713.83 -3.67 31,666 31,648 38,075 1,684
Colorado City Water Supply 53.7 2,058.96 -11.24 16,511 16,511 30,758 - n.a. -
E V Spence Water Supply 11.7 1,845.57 -52.43 60,322 60,322 517,272 3,811
Hords Creek Water Supply and Flood Control 55.0 1,890.99 -9.01 4,459 4,456 8,109 316
Inks Water Supply 95.4 887.20 -0.80 13,375 13,092 13,729 790
J B Thomas Water Supply 27.8 2,230.73 -27.27 56,161 55,488 199,931 3,580
Lyndon B Johnson Water Supply 98.6 824.75 -0.25 130,013 111,173 112,778 6,408
Marble Falls Water Supply 95.0 736.37 -0.63 7,215 7,215 7,597 601
Nasworthy Water Supply 85.6 1,871.73 -0.98 8,726 8,233 9,615 1,234
O C Fisher Water Supply and Flood Control 14.3 1,875.54 -32.46 16,543 16,542 115,742 1,331
O H Ivie Water Supply 45.2 1,531.28 -20.22 250,738 250,738 554,340 - n.a. -
Oak Creek Water Supply 18.2 1,976.51 -23.49 7,289 7,139 39,210 640
Travis Water Supply and Flood Control 74.9 664.96 -16.04 839,956 822,924 1,098,044 15,255
Twin Buttes Water Supply and Flood Control 10.8 1,903.51 -36.69 23,506 19,757 182,454 1,608