Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 64.6% full on 2026-06-25

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-06-25 64.6 2,652,981 2,595,846 4,019,576
Yesterday 2026-06-24 64.6 2,653,936 2,596,801 4,019,576
2 days ago 2026-06-23 64.6 2,654,472 2,597,337 4,019,576
1 week ago 2026-06-18 64.1 2,631,850 2,574,715 4,019,576
1 month ago 2026-05-25 62.1 2,551,691 2,494,556 4,019,576
3 months ago 2026-03-25 60.1 2,474,013 2,416,878 4,019,576
6 months ago 2025-12-25 62.6 2,574,380 2,517,245 4,019,576
1 year ago 2025-06-25 44.9 1,862,106 1,804,971 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 97.5 492.42 -0.38 23,985 23,376 23,972 1,558
Brady Creek Water Supply 95.2 1,742.28 -0.72 29,060 27,438 28,808 1,967
Brownwood Water Supply 86.3 1,422.15 -2.45 112,945 112,945 130,868 6,228
Buchanan Water Supply 99.7 1,019.90 -0.10 878,112 864,450 866,694 22,428
Champion Creek Water Supply 38.9 2,060.91 -22.09 16,163 16,163 41,580 820
Coleman Water Supply 87.6 1,714.84 -2.66 33,387 33,369 38,075 1,729
Colorado City Water Supply 50.4 2,058.02 -12.18 15,514 15,514 30,758 - n.a. -
E V Spence Water Supply 10.9 1,844.45 -53.55 56,179 56,179 517,272 3,576
Hords Creek Water Supply and Flood Control 53.6 1,890.62 -9.38 4,346 4,343 8,109 309
Inks Water Supply 95.4 887.21 -0.79 13,383 13,100 13,729 790
J B Thomas Water Supply 24.6 2,228.89 -29.11 49,775 49,102 199,931 3,365
Lyndon B Johnson Water Supply 98.2 824.68 -0.32 129,564 110,724 112,778 6,402
Marble Falls Water Supply 94.3 736.28 -0.72 7,161 7,161 7,597 599
Nasworthy Water Supply 85.4 1,871.71 -1.00 8,701 8,208 9,615 1,233
O C Fisher Water Supply and Flood Control 13.5 1,874.80 -33.20 15,571 15,570 115,742 1,293
O H Ivie Water Supply 48.1 1,532.70 -18.80 266,865 266,865 554,340 - n.a. -
Oak Creek Water Supply 17.3 1,975.90 -24.10 6,940 6,790 39,210 614
Travis Water Supply and Flood Control 86.4 672.72 -8.28 965,362 948,330 1,098,044 17,076
Twin Buttes Water Supply and Flood Control 8.9 1,901.17 -39.03 19,968 16,219 182,454 1,439