Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 69.1% full on 2021-07-30

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2021-07-30 69.1 2,818,333 2,753,550 3,987,098
Yesterday 2021-07-29 69.1 2,820,142 2,755,358 3,987,098
2 days ago 2021-07-28 69.2 2,822,635 2,757,852 3,987,098
1 week ago 2021-07-23 69.4 2,832,714 2,767,930 3,987,098
1 month ago 2021-06-30 67.2 2,744,366 2,679,582 3,987,098
3 months ago 2021-04-30 59.0 2,444,489 2,379,705 4,030,801
6 months ago 2021-01-30 60.9 2,520,529 2,455,745 4,030,801
1 year ago 2020-07-30 67.8 2,768,250 2,703,466 3,987,098
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

Reservoir Storage

Reservoir 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 95.3 492.07 -0.73 23,443 22,834 23,972 1,538
Brady Creek 63.1 1,736.85 -6.15 19,788 18,166 28,808 1,504
Brownwood 97.5 1,424.11 -0.49 127,564 127,564 130,868 6,693
Buchanan 97.4 1,017.01 -0.99 810,695 795,494 816,904 21,538
Champion Creek 76.0 2,075.92 -7.08 31,618 31,618 41,580 1,254
Coleman 88.3 1,714.98 -2.52 33,629 33,611 38,075 1,733
Colorado City 83.0 2,066.25 -3.95 25,538 25,538 30,758 - n.a. -
E V Spence 28.5 1,862.73 -35.27 147,294 147,294 517,272 6,619
Hords Creek 48.4 1,889.22 -10.78 3,931 3,928 8,109 283
Inks 91.9 887.03 -1.47 13,119 12,825 13,962 746
J B Thomas 48.0 2,240.39 -17.61 96,662 95,989 199,931 4,800
Lyndon B Johnson 96.7 824.79 -0.61 131,794 111,432 115,249 6,141
Marble Falls 98.7 736.34 -0.66 6,814 6,814 6,901 541
Nasworthy 82.4 1,870.97 -1.23 8,419 7,926 9,615 1,216
O C Fisher 5.2 1,864.35 -43.65 6,034 6,033 115,742 611
O H Ivie 58.4 1,537.27 -14.23 323,847 323,847 554,340 - n.a. -
Oak Creek 79.0 1,996.36 -3.64 31,128 30,978 39,210 2,005
Travis 77.2 666.48 -14.52 881,557 859,949 1,113,348 15,655
Twin Buttes 50.3 1,927.20 -13.00 95,433 91,684 182,454 5,145