Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 63.1% full on 2025-12-10

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-12-10 63.1 2,592,769 2,535,634 4,019,576
Yesterday 2025-12-09 63.1 2,593,379 2,536,244 4,019,576
2 days ago 2025-12-08 63.1 2,594,717 2,537,582 4,019,576
1 week ago 2025-12-03 63.3 2,600,473 2,543,182 4,019,576
1 month ago 2025-11-10 62.6 2,572,107 2,514,972 4,019,576
3 months ago 2025-09-10 66.2 2,718,236 2,661,101 4,019,576
6 months ago 2025-06-10 44.7 1,856,913 1,798,229 4,019,576
1 year ago 2024-12-10 46.3 1,917,042 1,859,518 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 99.7 1,742.95 -0.05 30,350 28,728 28,808 2,018
Brownwood Water Supply 85.8 1,422.04 -2.56 112,261 112,261 130,868 6,205
Buchanan Water Supply 97.6 1,019.05 -0.95 859,127 845,465 866,694 22,249
Champion Creek Water Supply 41.8 2,062.25 -20.75 17,361 17,361 41,580 852
Coleman Water Supply 86.3 1,714.54 -2.96 32,871 32,853 38,075 1,710
Colorado City Water Supply 56.4 2,059.72 -10.48 17,345 17,345 30,758 - n.a. -
E V Spence Water Supply 12.8 1,847.02 -50.98 65,956 65,956 517,272 3,954
Hords Creek Water Supply and Flood Control 57.5 1,891.64 -8.36 4,669 4,666 8,109 326
Inks Water Supply 95.4 887.21 -0.79 13,383 13,100 13,729 790
J B Thomas Water Supply 30.9 2,232.45 -25.55 62,514 61,841 199,931 3,810
Lyndon B Johnson Water Supply 98.5 824.74 -0.26 129,949 111,109 112,778 6,407
Marble Falls Water Supply 94.3 736.28 -0.72 7,161 7,161 7,597 599
Nasworthy Water Supply 87.2 1,871.85 -0.86 8,874 8,381 9,615 1,243
O C Fisher Water Supply and Flood Control 15.3 1,876.38 -31.62 17,689 17,688 115,742 1,393
O H Ivie Water Supply 47.9 1,532.58 -18.92 265,480 265,480 554,340 - n.a. -
Oak Creek Water Supply 20.1 1,977.68 -22.32 8,046 7,896 39,210 689
Travis Water Supply and Flood Control 79.5 668.17 -12.83 890,131 873,099 1,098,044 16,008
Twin Buttes Water Supply and Flood Control 12.2 1,904.98 -35.22 25,928 22,179 182,454 1,714