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 2,512,865 2,455,730 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 97.3 492.38 -0.42 23,922 23,313 23,972 1,556
Brady Creek Water Supply 96.4 1,742.44 -0.56 29,383 27,761 28,808 1,980
Brownwood Water Supply 83.1 1,421.46 -3.14 108,697 108,697 130,868 6,086
Buchanan Water Supply 93.6 1,017.50 -2.50 824,862 811,200 866,694 21,970
Champion Creek Water Supply 41.1 2,061.93 -21.07 17,072 17,072 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 12.2 1,846.23 -51.77 62,861 62,861 517,272 3,881
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 98.7 824.78 -0.22 130,205 111,365 112,778 6,411
Marble Falls Water Supply 94.0 736.25 -0.75 7,143 7,143 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 1,531.71 -19.79 255,546 255,546 554,340 - 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 77.6 666.82 -14.18 868,734 851,702 1,098,044 15,690
Twin Buttes Water Supply and Flood Control 11.7 1,904.45 -35.75 25,040 21,291 182,454 1,675