Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 69.1% full on 2025-07-25

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-07-25 69.1 2,837,229 2,779,489 4,019,576
Yesterday 2025-07-24 69.2 2,837,318 2,779,578 4,019,576
2 days ago 2025-07-23 69.1 2,836,730 2,779,387 4,019,576
1 week ago 2025-07-18 68.8 2,823,193 2,764,787 4,019,576
1 month ago 2025-06-25 44.9 1,862,066 1,804,931 4,019,576
3 months ago 2025-04-25 43.1 1,797,959 1,733,231 4,019,576
6 months ago 2025-01-25 44.9 1,862,087 1,804,952 4,019,576
1 year ago 2024-07-25 44.1 1,810,541 1,753,406 3,975,089
*

 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 Creekas of 2025-07-24 Water Supply 100.0 1,743.06 0.06 30,586 28,808 28,808 2,028
Brownwoodas of 2025-07-24 Water Supply 99.5 1,424.81 0.21 130,239 130,239 130,868 6,775
Buchanan Water Supply 100.0 1,020.01 0.01 880,581 866,694 866,694 22,454
Champion Creekas of 2025-07-24 Water Supply 46.5 2,064.40 -18.60 19,352 19,352 41,580 907
Colemanas of 2025-07-24 Water Supply 95.9 1,716.63 -0.87 36,530 36,512 38,075 1,784
Colorado City Water Supply 64.2 2,061.81 -8.39 19,757 19,757 30,758 - n.a. -
E V Spence Water Supply 15.3 1,850.10 -47.90 78,941 78,941 517,272 4,462
Hords Creekas of 2025-07-24 Water Supply and Flood Control 68.8 1,894.24 -5.76 5,584 5,581 8,109 378
Inks Water Supply 94.3 887.02 -0.98 13,234 12,951 13,729 777
J B Thomasas of 2025-07-24 Water Supply 38.0 2,235.94 -22.06 76,586 75,913 199,931 4,240
Lyndon B Johnson Water Supply 98.3 824.71 -0.29 129,757 110,917 112,778 6,405
Marble Falls Water Supply 94.7 736.33 -0.67 7,191 7,191 7,597 600
Nasworthyas of 2025-07-24 Water Supply 85.0 1,871.68 -1.03 8,664 8,171 9,615 1,231
O C Fisheras of 2025-07-24 Water Supply and Flood Control 18.5 1,878.83 -29.17 21,468 21,467 115,742 1,730
O H Ivieas of 2025-07-24 Water Supply 54.3 1,535.53 -15.97 301,237 301,237 554,340 - n.a. -
Oak Creekas of 2025-07-24 Water Supply 24.7 1,980.20 -19.80 9,848 9,698 39,210 800
Travis Water Supply and Flood Control 90.6 675.37 -5.63 1,011,511 994,479 1,098,044 17,754
Twin Buttes Water Supply 16.1 1,908.71 -31.49 33,062 29,313 182,454 2,127