Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 43.1% full on 2025-04-26

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-04-26 43.1 1,798,922 1,733,668 4,019,576
Yesterday 2025-04-25 43.1 1,798,282 1,733,623 4,019,576
2 days ago 2025-04-24 43.1 1,794,224 1,733,720 4,019,576
1 week ago 2025-04-19 42.5 1,764,712 1,707,577 4,019,576
1 month ago 2025-03-26 43.4 1,800,794 1,743,659 4,019,576
3 months ago 2025-01-26 44.9 1,862,226 1,805,091 4,019,576
6 months ago 2024-10-26 45.4 1,861,876 1,804,741 3,975,089
1 year ago 2024-04-26 35.5 1,484,136 1,427,001 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 96.9 492.32 -0.48 23,829 23,220 23,972 1,552
Brady Creek Water Supply 31.1 1,728.29 -14.71 10,593 8,971 28,808 878
Brownwood Water Supply 100.0 1,425.64 1.04 135,933 130,868 130,868 6,946
Buchanan Water Supply 53.1 998.95 -21.05 473,796 460,134 866,694 15,308
Champion Creek Water Supply 46.7 2,064.45 -18.55 19,406 19,406 41,580 908
Coleman Water Supply 100.0 1,719.16 1.66 41,147 38,075 38,075 - n.a. -
Colorado City Water Supply 69.5 2,063.13 -7.07 21,379 21,379 30,758 - n.a. -
E V Spence Water Supply 15.9 1,850.83 -47.17 82,228 82,228 517,272 4,544
Hords Creek Water Supply and Flood Control 61.9 1,892.69 -7.31 5,022 5,019 8,109 347
Inks Water Supply 95.4 887.20 -0.80 13,375 13,092 13,729 790
J B Thomas Water Supply 38.0 2,235.97 -22.03 76,714 76,041 199,931 4,243
Lyndon B Johnson Water Supply 98.3 824.71 -0.29 129,757 110,917 112,778 6,405
Marble Falls Water Supply 95.4 736.42 -0.58 7,245 7,245 7,597 602
Nasworthy Water Supply 92.0 1,871.71 -0.49 9,339 8,846 9,615 1,271
O C Fisher Water Supply and Flood Control 9.8 1,871.18 -36.82 11,380 11,379 115,742 1,015
O H Ivie Water Supply 40.0 1,528.57 -22.93 221,886 221,886 554,340 - n.a. -
Oak Creek Water Supply 28.2 1,981.90 -18.10 11,216 11,066 39,210 882
Travis Water Supply and Flood Control 41.8 635.66 -45.34 475,697 458,665 1,098,044 9,980
Twin Buttes Water Supply 13.8 1,906.67 -33.53 28,980 25,231 182,454 1,900