Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 43.6% full on 2025-05-05

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-05-05 43.6 1,790,467 1,731,956 3,975,089
Yesterday 2025-05-04 43.6 1,791,745 1,732,802 3,975,089
2 days ago 2025-05-03 43.6 1,794,621 1,735,121 3,975,089
1 week ago 2025-04-28 43.0 1,793,749 1,730,381 4,019,576
1 month ago 2025-04-05 43.2 1,794,789 1,737,654 4,019,576
3 months ago 2025-02-05 44.9 1,861,853 1,804,718 4,019,576
6 months ago 2024-11-05 44.7 1,852,893 1,795,758 4,019,576
1 year ago 2024-05-05 37.0 1,529,444 1,472,309 3,975,089
*

 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 95.4 492.10 -0.70 23,489 22,880 23,972 1,540
Brady Creek Water Supply 30.7 1,728.10 -14.90 10,456 8,834 28,808 867
Brownwood Water Supply 100.0 1,425.07 0.47 132,007 130,868 130,868 6,828
Buchanan Water Supply 55.9 998.94 -19.06 473,643 459,981 822,207 15,305
Champion Creek Water Supply 49.2 2,065.58 -17.42 20,472 20,472 41,580 937
Coleman Water Supply 100.0 1,717.63 0.13 38,330 38,075 38,075 1,815
Colorado City Water Supply 69.4 2,063.10 -7.10 21,341 21,341 30,758 - n.a. -
E V Spence Water Supply 15.7 1,850.63 -47.37 81,321 81,321 517,272 4,521
Hords Creek Water Supply and Flood Control 61.4 1,892.57 -7.43 4,981 4,978 8,109 344
Inks Water Supply 95.1 887.15 -0.85 13,335 13,052 13,729 789
J B Thomas Water Supply 37.8 2,235.84 -22.16 76,163 75,490 199,931 4,229
Lyndon B Johnson Water Supply 97.6 824.57 -0.43 128,861 110,021 112,778 6,392
Marble Falls Water Supply 95.0 736.37 -0.63 7,215 7,215 7,597 601
Nasworthy Water Supply 91.9 1,871.70 -0.50 9,326 8,833 9,615 1,270
O C Fisher Water Supply and Flood Control 9.6 1,870.91 -37.09 11,109 11,108 115,742 993
O H Ivie Water Supply 40.1 1,528.60 -22.90 222,191 222,191 554,340 - n.a. -
Oak Creek Water Supply 28.0 1,981.78 -18.22 11,112 10,962 39,210 876
Travis Water Supply and Flood Control 41.9 635.76 -45.24 476,696 459,664 1,098,044 9,995
Twin Buttes Water Supply 13.5 1,906.37 -33.83 28,419 24,670 182,454 1,867