Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 63.6% full on 2025-10-17

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-10-17 63.6 2,612,089 2,554,954 4,019,576
Yesterday 2025-10-16 63.6 2,614,242 2,557,107 4,019,576
2 days ago 2025-10-15 63.7 2,617,289 2,560,154 4,019,576
1 week ago 2025-10-10 64.0 2,631,461 2,574,326 4,019,576
1 month ago 2025-09-17 65.7 2,697,302 2,640,167 4,019,576
3 months ago 2025-07-17 68.6 2,815,373 2,756,492 4,019,576
6 months ago 2025-04-17 42.5 1,767,459 1,710,324 4,019,576
1 year ago 2024-10-17 45.8 1,879,581 1,822,446 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 95.6 492.12 -0.68 23,520 22,911 23,972 1,541
Brady Creek Water Supply 90.0 1,741.47 -1.53 27,544 25,922 28,808 1,894
Brownwood Water Supply 88.0 1,422.51 -2.09 115,200 115,200 130,868 6,302
Buchanan Water Supply 95.0 1,018.06 -1.94 837,193 823,531 866,694 22,067
Champion Creek Water Supply 43.1 2,062.88 -20.12 17,933 17,933 41,580 869
Coleman Water Supply 88.5 1,715.03 -2.47 33,716 33,698 38,075 1,735
Colorado City Water Supply 58.4 2,060.26 -9.94 17,949 17,949 30,758 - n.a. -
E V Spence Water Supply 13.4 1,847.81 -50.19 69,109 69,109 517,272 4,033
Hords Creek Water Supply and Flood Control 59.7 1,892.18 -7.82 4,848 4,845 8,109 335
Inks Water Supply 57.0 879.14 -8.86 8,106 7,823 13,729 532
J B Thomas Water Supply 33.1 2,233.55 -24.45 66,782 66,109 199,931 3,950
Lyndon B Johnson Water Supply 97.9 824.63 -0.37 129,244 110,404 112,778 6,397
Marble Falls Water Supply 96.2 736.53 -0.47 7,311 7,311 7,597 604
Nasworthy Water Supply 85.8 1,871.74 -0.97 8,738 8,245 9,615 1,235
O C Fisher Water Supply and Flood Control 15.8 1,876.79 -31.21 18,266 18,265 115,742 1,442
O H Ivie Water Supply 48.6 1,532.94 -18.56 269,634 269,634 554,340 - n.a. -
Oak Creek Water Supply 21.3 1,978.35 -21.65 8,483 8,333 39,210 718
Travis Water Supply and Flood Control 82.3 670.08 -10.92 921,121 904,089 1,098,044 16,444
Twin Buttes Water Supply 13.0 1,905.81 -34.39 27,392 23,643 182,454 1,805