Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 66.8% full on 2025-07-15

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-07-15 66.8 2,747,845 2,686,859 4,019,576
Yesterday 2025-07-14 64.8 2,664,932 2,605,460 4,019,576
2 days ago 2025-07-13 61.7 2,537,464 2,480,199 4,019,576
1 week ago 2025-07-08 58.1 2,393,254 2,335,798 4,019,576
1 month ago 2025-06-15 45.5 1,886,187 1,827,913 4,019,576
3 months ago 2025-04-15 42.7 1,772,714 1,715,579 4,019,576
6 months ago 2025-01-15 45.3 1,876,264 1,819,129 4,019,576
1 year ago 2024-07-15 42.9 1,764,041 1,706,906 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 96.5 492.26 -0.54 23,736 23,127 23,972 1,549
Brady Creek Water Supply 100.0 1,743.12 0.12 30,734 28,808 28,808 2,036
Brownwood Water Supply 100.0 1,424.97 0.37 131,325 130,868 130,868 6,808
Buchanan Water Supply 98.0 1,019.21 -0.79 862,690 849,028 866,694 22,280
Champion Creek Water Supply 47.1 2,064.62 -18.38 19,583 19,583 41,580 912
Coleman Water Supply 96.9 1,716.85 -0.65 36,924 36,906 38,075 1,790
Colorado City Water Supply 65.0 2,062.02 -8.18 20,008 20,008 30,758 - n.a. -
E V Spence Water Supply 15.4 1,850.22 -47.78 79,477 79,477 517,272 4,476
Hords Creek Water Supply and Flood Control 69.8 1,894.44 -5.56 5,660 5,657 8,109 381
Inks Water Supply 100.0 891.61 3.61 17,102 13,729 13,729 917
J B Thomas Water Supply 38.6 2,236.24 -21.76 77,864 77,191 199,931 4,274
Lyndon B Johnson Water Supply 98.0 824.64 -0.36 129,308 110,468 112,778 6,398
Marble Falls Water Supply 91.7 735.95 -1.05 6,964 6,964 7,597 592
Nasworthy Water Supply 89.1 1,872.00 -0.71 9,062 8,569 9,615 1,254
O C Fisher Water Supply and Flood Control 18.9 1,879.04 -28.96 21,824 21,823 115,742 1,765
O H Ivie Water Supply 54.7 1,535.69 -15.81 303,263 303,263 554,340 - n.a. -
Oak Creek Water Supply 25.2 1,980.46 -19.54 10,019 9,869 39,210 812
Travis Water Supply and Flood Control 83.2 670.67 -10.33 930,864 913,832 1,098,044 16,583
Twin Buttes Water Supply 15.2 1,907.93 -32.27 31,438 27,689 182,454 2,040