Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 68.9% full on 2025-08-02

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-08-02 68.9 2,825,434 2,768,299 4,019,576
Yesterday 2025-08-01 68.9 2,825,627 2,768,492 4,019,576
2 days ago 2025-07-31 68.9 2,827,604 2,770,469 4,019,576
1 week ago 2025-07-26 69.1 2,835,662 2,778,527 4,019,576
1 month ago 2025-07-02 44.4 1,843,598 1,786,463 4,019,576
3 months ago 2025-05-02 43.2 1,795,660 1,735,430 4,019,576
6 months ago 2025-02-02 44.9 1,862,753 1,805,618 4,019,576
1 year ago 2024-08-02 44.4 1,820,382 1,763,247 3,975,089
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area 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 99.4 1,742.89 -0.11 30,251 28,629 28,808 2,015
Brownwood Water Supply 98.1 1,424.54 -0.06 128,417 128,417 130,868 6,719
Buchanan Water Supply 99.9 1,019.98 -0.02 879,907 866,245 866,694 22,447
Champion Creek Water Supply 46.1 2,064.22 -18.78 19,162 19,162 41,580 902
Coleman Water Supply 95.0 1,716.43 -1.07 36,174 36,156 38,075 1,778
Colorado City Water Supply 63.5 2,061.62 -8.58 19,531 19,531 30,758 - n.a. -
E V Spence Water Supply 15.0 1,849.83 -48.17 77,740 77,740 517,272 4,432
Hords Creek Water Supply and Flood Control 68.0 1,894.07 -5.93 5,519 5,516 8,109 374
Inks Water Supply 94.8 887.10 -0.90 13,296 13,013 13,729 781
J B Thomas Water Supply 37.4 2,235.67 -22.33 75,446 74,773 199,931 4,211
Lyndon B Johnson Water Supply 98.8 824.79 -0.21 130,269 111,429 112,778 6,412
Marble Falls Water Supply 96.1 736.51 -0.49 7,299 7,299 7,597 604
Nasworthy Water Supply 85.1 1,871.69 -1.02 8,676 8,183 9,615 1,232
O C Fisher Water Supply and Flood Control 18.1 1,878.55 -29.45 21,001 21,000 115,742 1,678
O H Ivie Water Supply 53.7 1,535.26 -16.24 297,818 297,818 554,340 - n.a. -
Oak Creek Water Supply 24.3 1,979.96 -20.04 9,677 9,527 39,210 789
Travis Water Supply and Flood Control 90.3 675.22 -5.78 1,008,850 991,818 1,098,044 17,718
Twin Buttes Water Supply 15.9 1,908.55 -31.65 32,727 28,978 182,454 2,109