Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 62.6% full on 2025-12-25

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-12-25 62.6 2,574,600 2,517,465 4,019,576
Yesterday 2025-12-24 62.7 2,575,471 2,518,336 4,019,576
2 days ago 2025-12-23 62.7 2,575,982 2,518,847 4,019,576
1 week ago 2025-12-18 62.8 2,582,848 2,525,713 4,019,576
1 month ago 2025-11-25 63.2 2,597,997 2,539,819 4,019,576
3 months ago 2025-09-25 65.2 2,677,408 2,620,273 4,019,576
6 months ago 2025-06-25 44.9 1,862,106 1,804,971 4,019,576
1 year ago 2024-12-25 45.9 1,900,238 1,843,103 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 96.3 492.24 -0.56 23,705 23,096 23,972 1,547
Brady Creek Water Supply 99.0 1,742.84 -0.16 30,154 28,532 28,808 2,011
Brownwood Water Supply 85.1 1,421.89 -2.71 111,333 111,333 130,868 6,174
Buchanan Water Supply 96.7 1,018.71 -1.29 851,574 837,912 866,694 22,183
Champion Creek Water Supply 41.5 2,062.14 -20.86 17,256 17,256 41,580 850
Coleman Water Supply 85.7 1,714.42 -3.08 32,666 32,648 38,075 1,706
Colorado City Water Supply 56.0 2,059.62 -10.58 17,235 17,235 30,758 - n.a. -
E V Spence Water Supply 12.6 1,846.78 -51.22 65,009 65,009 517,272 3,932
Hords Creek Water Supply and Flood Control 57.1 1,891.53 -8.47 4,634 4,631 8,109 324
Inks Water Supply 96.1 887.32 -0.68 13,470 13,187 13,729 792
J B Thomas Water Supply 30.5 2,232.23 -25.77 61,679 61,006 199,931 3,781
Lyndon B Johnson Water Supply 98.5 824.73 -0.27 129,885 111,045 112,778 6,406
Marble Falls Water Supply 95.5 736.44 -0.56 7,257 7,257 7,597 602
Nasworthy Water Supply 86.5 1,871.80 -0.91 8,812 8,319 9,615 1,239
O C Fisher Water Supply and Flood Control 15.1 1,876.25 -31.75 17,506 17,505 115,742 1,378
O H Ivie Water Supply 47.4 1,532.36 -19.14 262,942 262,942 554,340 - n.a. -
Oak Creekas of 2025-12-23 Water Supply 19.9 1,977.51 -22.49 7,938 7,788 39,210 682
Travis Water Supply and Flood Control 79.1 667.90 -13.10 885,818 868,786 1,098,044 15,946
Twin Buttes Water Supply and Flood Control 12.0 1,904.86 -35.34 25,727 21,978 182,454 1,705