Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 61.1% full on 2026-02-11

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-02-11 61.1 2,512,357 2,455,222 4,019,576
Yesterday 2026-02-10 61.1 2,513,038 2,455,903 4,019,576
2 days ago 2026-02-09 61.1 2,513,892 2,456,757 4,019,576
1 week ago 2026-02-04 61.2 2,518,748 2,461,613 4,019,576
1 month ago 2026-01-11 61.7 2,538,425 2,481,290 4,019,576
3 months ago 2025-11-11 62.5 2,569,642 2,512,507 4,019,576
6 months ago 2025-08-11 68.2 2,800,177 2,743,042 4,019,576
1 year ago 2025-02-11 44.8 1,858,435 1,801,300 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 97.4 492.41 -0.39 23,969 23,360 23,972 1,557
Brady Creek Water Supply 96.4 1,742.45 -0.55 29,404 27,782 28,808 1,981
Brownwood Water Supply 83.1 1,421.46 -3.14 108,697 108,697 130,868 6,086
Buchanan Water Supply 93.6 1,017.49 -2.51 824,643 810,981 866,694 21,968
Champion Creek Water Supply 41.1 2,061.94 -21.06 17,081 17,081 41,580 845
Coleman Water Supply 84.1 1,714.05 -3.45 32,038 32,020 38,075 1,692
Colorado City Water Supply 55.2 2,059.39 -10.81 16,982 16,982 30,758 - n.a. -
E V Spence Water Supply 12.1 1,846.22 -51.78 62,822 62,822 517,272 3,880
Hords Creek Water Supply and Flood Control 55.7 1,891.17 -8.83 4,517 4,514 8,109 319
Inks Water Supply 95.6 887.25 -0.75 13,414 13,131 13,729 791
J B Thomas Water Supply 29.2 2,231.53 -26.47 59,066 58,393 199,931 3,686
Lyndon B Johnson Water Supply 98.7 824.77 -0.23 130,141 111,301 112,778 6,410
Marble Falls Water Supply 94.1 736.26 -0.74 7,149 7,149 7,597 599
Nasworthy Water Supply 86.4 1,871.79 -0.92 8,799 8,306 9,615 1,239
O C Fisher Water Supply and Flood Control 14.7 1,875.86 -32.14 16,968 16,967 115,742 1,343
O H Ivie Water Supply 46.1 1,531.70 -19.80 255,434 255,434 554,340 - n.a. -
Oak Creek Water Supply 19.0 1,977.00 -23.00 7,616 7,466 39,210 659
Travis Water Supply and Flood Control 77.6 666.81 -14.19 868,577 851,545 1,098,044 15,688
Twin Buttes Water Supply and Flood Control 11.7 1,904.45 -35.75 25,040 21,291 182,454 1,675