Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 63.1% full on 2025-10-31

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-10-31 63.1 2,593,578 2,536,443 4,019,576
Yesterday 2025-10-30 63.1 2,595,492 2,538,357 4,019,576
2 days ago 2025-10-29 63.3 2,600,136 2,543,001 4,019,576
1 week ago 2025-10-24 63.1 2,594,945 2,537,810 4,019,576
1 month ago 2025-09-30 64.8 2,662,270 2,605,135 4,019,576
3 months ago 2025-07-31 68.9 2,827,548 2,770,413 4,019,576
6 months ago 2025-04-30 43.1 1,792,180 1,730,511 4,019,576
1 year ago 2024-10-31 45.1 1,850,530 1,793,395 3,975,089
*

 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 88.6 1,741.27 -1.73 27,143 25,521 28,808 1,877
Brownwood Water Supply 86.6 1,422.22 -2.38 113,382 113,382 130,868 6,242
Buchanan Water Supply 95.3 1,018.16 -1.84 839,400 825,738 866,694 22,085
Champion Creek Water Supply 43.0 2,062.81 -20.19 17,875 17,875 41,580 867
Coleman Water Supply 87.8 1,714.87 -2.63 33,438 33,420 38,075 1,730
Colorado City Water Supply 58.0 2,060.16 -10.04 17,835 17,835 30,758 - n.a. -
E V Spence Water Supply 13.2 1,847.58 -50.42 68,185 68,185 517,272 4,007
Hords Creek Water Supply and Flood Control 58.9 1,891.97 -8.03 4,776 4,773 8,109 331
Inks Water Supply 57.4 879.26 -8.74 8,170 7,887 13,729 535
J B Thomas Water Supply 32.8 2,233.43 -24.57 66,308 65,635 199,931 3,934
Lyndon B Johnson Water Supply 98.0 824.65 -0.35 129,372 110,532 112,778 6,399
Marble Falls Water Supply 95.7 736.46 -0.54 7,269 7,269 7,597 603
Nasworthy Water Supply 85.1 1,871.69 -1.02 8,676 8,183 9,615 1,232
O C Fisher Water Supply and Flood Control 15.8 1,876.80 -31.20 18,280 18,279 115,742 1,443
O H Ivie Water Supply 47.9 1,532.59 -18.91 265,595 265,595 554,340 - n.a. -
Oak Creek Water Supply 21.0 1,978.18 -21.82 8,369 8,219 39,210 710
Travis Water Supply and Flood Control 81.2 669.35 -11.65 909,179 892,147 1,098,044 16,276
Twin Buttes Water Supply 12.6 1,905.40 -34.80 26,667 22,918 182,454 1,759