Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 62.3% full on 2025-11-18

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-11-18 62.3 2,560,925 2,503,790 4,019,576
Yesterday 2025-11-17 62.3 2,562,099 2,504,964 4,019,576
2 days ago 2025-11-16 62.4 2,563,520 2,506,385 4,019,576
1 week ago 2025-11-11 62.5 2,570,131 2,512,996 4,019,576
1 month ago 2025-10-18 63.5 2,610,055 2,552,920 4,019,576
3 months ago 2025-08-18 67.7 2,779,856 2,722,721 4,019,576
6 months ago 2025-05-18 42.8 1,776,685 1,718,547 4,019,576
1 year ago 2024-11-18 46.6 1,934,289 1,871,750 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 96.4 492.25 -0.55 23,721 23,112 23,972 1,548
Brady Creek Water Supply 87.2 1,741.07 -1.93 26,736 25,114 28,808 1,859
Brownwood Water Supply 85.0 1,421.88 -2.72 111,271 111,271 130,868 6,172
Buchanan Water Supply 95.0 1,018.07 -1.93 837,414 823,752 866,694 22,069
Champion Creek Water Supply 42.5 2,062.58 -20.42 17,679 17,679 41,580 861
Coleman Water Supply 86.7 1,714.64 -2.86 33,042 33,024 38,075 1,714
Colorado City Water Supply 57.1 2,059.91 -10.29 17,554 17,554 30,758 - n.a. -
E V Spence Water Supply 12.9 1,847.22 -50.78 66,748 66,748 517,272 3,973
Hords Creek Water Supply and Flood Control 58.0 1,891.75 -8.25 4,705 4,702 8,109 327
Inks Water Supply 58.2 879.46 -8.54 8,278 7,995 13,729 541
J B Thomas Water Supply 31.9 2,232.97 -25.03 64,513 63,840 199,931 3,875
Lyndon B Johnson Water Supply 97.7 824.60 -0.40 129,053 110,213 112,778 6,394
Marble Falls Water Supply 94.9 736.36 -0.64 7,209 7,209 7,597 601
Nasworthy Water Supply 86.1 1,871.77 -0.94 8,775 8,282 9,615 1,237
O C Fisher Water Supply and Flood Control 15.4 1,876.45 -31.55 17,787 17,786 115,742 1,402
O H Ivie Water Supply 47.1 1,532.21 -19.29 261,211 261,211 554,340 - n.a. -
Oak Creek Water Supply 20.5 1,977.89 -22.11 8,182 8,032 39,210 698
Travis Water Supply and Flood Control 79.6 668.24 -12.76 891,253 874,221 1,098,044 16,024
Twin Buttes Water Supply 12.1 1,904.90 -35.30 25,794 22,045 182,454 1,708