Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 63.6% full on 2026-07-08

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-07-08 63.6 2,613,145 2,556,010 4,019,576
Yesterday 2026-07-07 63.7 2,615,752 2,558,617 4,019,576
2 days ago 2026-07-06 63.7 2,618,186 2,561,051 4,019,576
1 week ago 2026-07-01 64.1 2,633,336 2,576,201 4,019,576
1 month ago 2026-06-08 63.6 2,615,025 2,557,890 4,019,576
3 months ago 2026-04-08 59.4 2,446,300 2,389,165 4,019,576
6 months ago 2026-01-08 61.9 2,546,235 2,489,100 4,019,576
1 year ago 2025-07-08 58.1 2,393,965 2,336,509 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 96.2 492.21 -0.59 23,659 23,050 23,972 1,546
Brady Creek Water Supply 93.6 1,742.04 -0.96 28,591 26,969 28,808 1,945
Brownwood Water Supply 84.4 1,421.74 -2.86 110,409 110,409 130,868 6,143
Buchanan Water Supply 99.1 1,019.64 -0.36 872,289 858,627 866,694 22,369
Champion Creek Water Supply 38.2 2,060.55 -22.45 15,882 15,882 41,580 811
Coleman Water Supply 86.0 1,714.47 -3.03 32,752 32,734 38,075 1,708
Colorado City Water Supply 49.3 2,057.67 -12.53 15,156 15,156 30,758 - n.a. -
E V Spence Water Supply 10.6 1,844.06 -53.94 54,797 54,797 517,272 3,508
Hords Creek Water Supply and Flood Control 52.2 1,890.25 -9.75 4,232 4,229 8,109 302
Inks Water Supply 95.6 887.25 -0.75 13,414 13,131 13,729 791
J B Thomas Water Supply 23.6 2,228.33 -29.67 47,907 47,234 199,931 3,307
Lyndon B Johnson Water Supply 98.7 824.77 -0.23 130,141 111,301 112,778 6,410
Marble Falls Water Supply 95.0 736.37 -0.63 7,215 7,215 7,597 601
Nasworthy Water Supply 86.6 1,871.81 -0.90 8,824 8,331 9,615 1,240
O C Fisher Water Supply and Flood Control 13.0 1,874.35 -33.65 15,001 15,000 115,742 1,256
O H Ivie Water Supply 46.9 1,532.09 -19.41 259,826 259,826 554,340 - n.a. -
Oak Creek Water Supply 16.7 1,975.48 -24.52 6,691 6,541 39,210 597
Travis Water Supply and Flood Control 84.8 671.68 -9.32 947,734 930,702 1,098,044 16,824
Twin Buttes Water Supply and Flood Control 8.2 1,900.21 -39.99 18,625 14,876 182,454 1,370