Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 45.9% full on 2025-06-15

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-06-15 45.9 1,883,637 1,825,363 3,975,089
Yesterday 2025-06-14 45.9 1,882,310 1,823,899 3,975,089
2 days ago 2025-06-13 45.7 1,874,402 1,815,855 3,975,089
1 week ago 2025-06-08 45.2 1,854,015 1,795,673 3,975,089
1 month ago 2025-05-15 43.4 1,784,515 1,726,049 3,975,089
3 months ago 2025-03-15 44.0 1,824,093 1,766,958 4,019,576
6 months ago 2024-12-15 46.1 1,910,416 1,853,096 4,019,576
1 year ago 2024-06-15 44.6 1,831,138 1,774,004 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 96.2 492.22 -0.58 23,674 23,065 23,972 1,546
Brady Creek Water Supply 30.9 1,728.19 -14.81 10,518 8,896 28,808 872
Brownwood Water Supply 100.0 1,425.07 0.47 132,007 130,868 130,868 6,828
Buchanan Water Supply 64.4 1,003.22 -14.78 542,779 529,117 822,207 17,115
Champion Creek Water Supply 47.6 2,064.87 -18.13 19,805 19,805 41,580 918
Coleman Water Supply 99.1 1,717.32 -0.18 37,769 37,751 38,075 1,805
Colorado City Water Supply 66.7 2,062.43 -7.77 20,512 20,512 30,758 - n.a. -
E V Spence Water Supply 15.2 1,850.08 -47.92 78,851 78,851 517,272 4,460
Hords Creek Water Supply and Flood Control 70.3 1,894.55 -5.45 5,702 5,699 8,109 383
Inks Water Supply 94.4 887.04 -0.96 13,249 12,966 13,729 778
J B Thomas Water Supply 36.8 2,235.39 -22.61 74,270 73,597 199,931 4,181
Lyndon B Johnson Water Supply 98.1 824.67 -0.33 129,500 110,660 112,778 6,401
Marble Falls Water Supply 95.1 736.38 -0.62 7,221 7,221 7,597 601
Nasworthy Water Supply 85.9 1,871.75 -0.96 8,750 8,257 9,615 1,236
O C Fisher Water Supply and Flood Control 9.5 1,870.77 -37.23 10,976 10,975 115,742 977
O H Ivie Water Supply 40.4 1,528.77 -22.73 223,919 223,919 554,340 - n.a. -
Oak Creek Water Supply 26.3 1,981.07 -18.93 10,464 10,314 39,210 842
Travis Water Supply and Flood Control 44.4 638.45 -42.55 504,111 487,079 1,098,044 10,393
Twin Buttes Water Supply 14.1 1,906.98 -33.22 29,560 25,811 182,454 1,935