Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 65.8% full on 2025-09-16

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-09-16 65.8 2,701,944 2,644,809 4,019,576
Yesterday 2025-09-15 65.8 2,703,608 2,646,473 4,019,576
2 days ago 2025-09-14 65.9 2,706,472 2,649,337 4,019,576
1 week ago 2025-09-09 66.3 2,721,963 2,664,828 4,019,576
1 month ago 2025-08-16 67.9 2,785,471 2,728,336 4,019,576
3 months ago 2025-06-16 45.5 1,888,245 1,830,039 4,019,576
6 months ago 2025-03-16 43.9 1,821,272 1,764,137 4,019,576
1 year ago 2024-09-16 47.1 1,929,186 1,872,051 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 96.2 492.22 -0.58 23,674 23,065 23,972 1,546
Brady Creek Water Supply 93.2 1,741.97 -1.03 28,461 26,839 28,808 1,938
Brownwood Water Supply 91.5 1,423.23 -1.37 119,791 119,791 130,868 6,450
Buchanan Water Supply 96.5 1,018.64 -1.36 850,022 836,360 866,694 22,170
Champion Creek Water Supply 44.0 2,063.27 -19.73 18,278 18,278 41,580 878
Coleman Water Supply 90.7 1,715.51 -1.99 34,552 34,534 38,075 1,750
Colorado City Water Supply 60.2 2,060.76 -9.44 18,519 18,519 30,758 - n.a. -
E V Spence Water Supply 13.9 1,848.51 -49.49 71,996 71,996 517,272 4,248
Hords Creek Water Supply and Flood Control 62.7 1,892.88 -7.12 5,087 5,084 8,109 351
Inks Water Supply 94.8 887.11 -0.89 13,304 13,021 13,729 782
J B Thomas Water Supply 34.9 2,234.44 -23.56 70,351 69,678 199,931 4,069
Lyndon B Johnson Water Supply 98.5 824.74 -0.26 129,949 111,109 112,778 6,407
Marble Falls Water Supply 95.2 736.40 -0.60 7,233 7,233 7,597 602
Nasworthy Water Supply 84.7 1,871.66 -1.05 8,640 8,147 9,615 1,230
O C Fisher Water Supply and Flood Control 16.5 1,877.38 -30.62 19,139 19,138 115,742 1,508
O H Ivie Water Supply 50.5 1,533.82 -17.68 280,094 280,094 554,340 - n.a. -
Oak Creek Water Supply 22.4 1,978.96 -21.04 8,919 8,769 39,210 745
Travis Water Supply and Flood Control 86.3 672.66 -8.34 964,338 947,306 1,098,044 17,061
Twin Buttes Water Supply 14.2 1,907.00 -33.20 29,597 25,848 182,454 1,937