Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 61.3% full on 2026-01-29

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-01-29 61.3 2,523,051 2,465,916 4,019,576
Yesterday 2026-01-28 61.4 2,523,713 2,466,578 4,019,576
2 days ago 2026-01-27 61.4 2,524,449 2,467,314 4,019,576
1 week ago 2026-01-22 61.3 2,519,995 2,462,860 4,019,576
1 month ago 2025-12-29 62.5 2,568,275 2,511,140 4,019,576
3 months ago 2025-10-29 63.3 2,599,643 2,542,508 4,019,576
6 months ago 2025-07-29 69.0 2,831,349 2,773,765 4,019,576
1 year ago 2025-01-29 44.8 1,859,461 1,802,326 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 96.2 492.22 -0.58 23,674 23,065 23,972 1,546
Brady Creek Water Supply 97.4 1,742.59 -0.41 29,680 28,058 28,808 1,992
Brownwood Water Supply 83.5 1,421.55 -3.05 109,246 109,246 130,868 6,104
Buchanan Water Supply 93.3 1,017.40 -2.60 822,666 809,004 866,694 21,952
Champion Creek Water Supply 41.1 2,061.96 -21.04 17,097 17,097 41,580 845
Coleman Water Supply 84.4 1,714.12 -3.38 32,156 32,138 38,075 1,695
Colorado City Water Supply 55.3 2,059.41 -10.79 17,004 17,004 30,758 - n.a. -
E V Spence Water Supply 12.2 1,846.32 -51.68 63,211 63,211 517,272 3,889
Hords Creek Water Supply and Flood Control 55.9 1,891.23 -8.77 4,537 4,534 8,109 319
Inks Water Supply 95.4 887.21 -0.79 13,383 13,100 13,729 790
J B Thomas Water Supply 29.5 2,231.68 -26.32 59,621 58,948 199,931 3,706
Lyndon B Johnson Water Supply 97.5 824.56 -0.44 128,797 109,957 112,778 6,391
Marble Falls Water Supply 95.1 736.39 -0.61 7,227 7,227 7,597 601
Nasworthy Water Supply 86.1 1,871.77 -0.94 8,775 8,282 9,615 1,237
O C Fisher Water Supply and Flood Control 14.7 1,875.93 -32.07 17,061 17,060 115,742 1,345
O H Ivie Water Supply 46.4 1,531.88 -19.62 257,446 257,446 554,340 - n.a. -
Oak Creek Water Supply 19.3 1,977.13 -22.87 7,701 7,551 39,210 665
Travis Water Supply and Flood Control 78.5 667.48 -13.52 879,141 862,109 1,098,044 15,847
Twin Buttes Water Supply and Flood Control 11.7 1,904.47 -35.73 25,074 21,325 182,454 1,677