Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are - n.a. -% full on 2025-04-30

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-04-30 - n.a. - - n.a. - - n.a. - - n.a. -
Yesterday 2025-04-29 43.1 1,793,190 1,730,657 4,019,576
2 days ago 2025-04-28 43.0 1,793,749 1,730,381 4,019,576
1 week ago 2025-04-23 43.1 1,793,706 1,734,285 4,019,576
1 month ago 2025-03-30 43.3 1,797,965 1,740,830 4,019,576
3 months ago 2025-01-30 45.0 1,865,016 1,807,881 4,019,576
6 months ago 2024-10-30 45.2 1,852,343 1,795,208 3,975,089
1 year ago 2024-04-30 35.6 1,486,538 1,429,403 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 96.4 492.25 -0.55 23,721 23,112 23,972 1,548
Brady Creek Water Supply 31.0 1,728.25 -14.75 10,563 8,941 28,808 876
Brownwood Water Supply 100.0 1,425.48 0.88 134,824 130,868 130,868 6,913
Buchanan Water Supply 52.7 998.71 -21.29 470,131 456,469 866,694 15,232
Champion Creek Water Supply 46.6 2,064.42 -18.58 19,374 19,374 41,580 907
Coleman Water Supply 100.0 1,718.29 0.79 39,535 38,075 38,075 1,838
Colorado City Water Supply 69.3 2,063.09 -7.11 21,328 21,328 30,758 - n.a. -
E V Spence Water Supply 15.9 1,850.78 -47.22 82,001 82,001 517,272 4,538
Hords Creek Water Supply and Flood Control 61.8 1,892.67 -7.33 5,015 5,012 8,109 346
Inks Water Supply 95.5 887.22 -0.78 13,391 13,108 13,729 790
J B Thomas Water Supply 37.9 2,235.90 -22.10 76,416 75,743 199,931 4,236
Lyndon B Johnson Water Supply 98.4 824.72 -0.28 129,821 110,981 112,778 6,406
Marble Falls Water Supply 95.1 736.39 -0.61 7,227 7,227 7,597 601
Nasworthy Water Supply 92.4 1,871.74 -0.46 9,377 8,884 9,615 1,273
O C Fisher Water Supply and Flood Control 9.8 1,871.10 -36.90 11,297 11,296 115,742 1,010
O H Ivie Water Supply 40.2 1,528.69 -22.81 223,106 223,106 554,340 - n.a. -
Oak Creek Water Supply 28.1 1,981.86 -18.14 11,181 11,031 39,210 880
Travis Water Supply and Flood Control 41.8 635.69 -45.31 475,996 458,964 1,098,044 9,985
Twin Buttes Water Supply 13.8 1,906.62 -33.58 28,886 25,137 182,454 1,895