Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 63.8% full on 2026-11-07

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-11-07 63.8 2,623,436 2,566,301 4,019,576
Yesterday 2026-11-06 63.9 2,624,961 2,567,826 4,019,576
2 days ago 2026-11-05 63.9 2,627,116 2,569,981 4,019,576
1 week ago 2026-10-31 63.9 2,626,249 2,569,114 4,019,576
1 month ago 2026-10-07 64.4 2,646,667 2,589,532 4,019,576
3 months ago 2026-08-07 67.6 2,775,574 2,718,439 4,019,576
6 months ago 2026-05-07 60.4 2,484,745 2,427,610 4,019,576
1 year ago 2025-11-07 62.8 2,580,788 2,523,653 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 96.1 492.20 -0.60 23,643 23,034 23,972 1,545
Brady Creek Water Supply 83.4 1,740.46 -2.54 25,645 24,023 28,808 1,803
Brownwood Water Supply 88.8 1,422.68 -1.92 116,275 116,275 130,868 6,337
Buchanan Water Supply 95.7 1,018.31 -1.69 842,715 829,053 866,694 22,111
Champion Creek Water Supply 45.2 2,063.80 -19.20 18,781 18,781 41,580 891
Coleman Water Supply 77.2 1,712.47 -5.03 29,417 29,399 38,075 1,612
Colorado City Water Supply 53.1 2,058.79 -11.41 16,330 16,330 30,758 - n.a. -
E V Spence Water Supply 9.4 1,842.23 -55.77 48,630 48,630 517,272 3,241
Hords Creek Water Supply and Flood Control 44.6 1,888.10 -11.90 3,622 3,619 8,109 267
Inks Water Supply 95.3 887.19 -0.81 13,367 13,084 13,729 790
J B Thomas Water Supply 20.7 2,226.53 -31.47 42,104 41,431 199,931 3,144
Lyndon B Johnson Water Supply 98.5 824.74 -0.26 129,949 111,109 112,778 6,407
Marble Falls Water Supply 97.5 736.69 -0.31 7,408 7,408 7,597 607
Nasworthy Water Supply 85.8 1,871.74 -0.97 8,738 8,245 9,615 1,235
O C Fisher Water Supply and Flood Control 10.5 1,871.88 -36.12 12,105 12,104 115,742 1,060
O H Ivie Water Supply 40.6 1,528.87 -22.63 224,936 224,936 554,340 - n.a. -
Oak Creek Water Supply 13.7 1,973.42 -26.58 5,507 5,357 39,210 515
Travis Water Supply and Flood Control 93.4 677.12 -3.88 1,042,929 1,025,897 1,098,044 18,156
Twin Buttes Water Supply and Flood Control 4.2 1,894.01 -46.19 11,335 7,586 182,454 1,012