Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 63.4% full on 2025-10-26

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-10-26 63.4 2,604,522 2,547,387 4,019,576
Yesterday 2025-10-25 63.3 2,603,140 2,546,005 4,019,576
2 days ago 2025-10-24 63.1 2,595,043 2,537,908 4,019,576
1 week ago 2025-10-19 63.4 2,607,506 2,550,371 4,019,576
1 month ago 2025-09-26 65.1 2,674,132 2,616,997 4,019,576
3 months ago 2025-07-26 69.1 2,835,884 2,778,515 4,019,576
6 months ago 2025-04-26 43.1 1,797,569 1,732,350 4,019,576
1 year ago 2024-10-26 45.4 1,861,235 1,804,100 3,975,089
*

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

Area 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 98.3 492.54 -0.26 24,172 23,563 23,972 1,565
Brady Creek Water Supply 89.4 1,741.39 -1.61 27,388 25,766 28,808 1,887
Brownwood Water Supply 87.3 1,422.35 -2.25 114,195 114,195 130,868 6,269
Buchanan Water Supply 95.4 1,018.21 -1.79 840,505 826,843 866,694 22,094
Champion Creek Water Supply 43.2 2,062.90 -20.10 17,950 17,950 41,580 869
Coleman Water Supply 88.3 1,714.99 -2.51 33,646 33,628 38,075 1,734
Colorado City Water Supply 58.4 2,060.26 -9.94 17,949 17,949 30,758 - n.a. -
E V Spence Water Supply 13.3 1,847.68 -50.32 68,586 68,586 517,272 4,018
Hords Creek Water Supply and Flood Control 59.3 1,892.07 -7.93 4,810 4,807 8,109 333
Inks Water Supply 57.1 879.16 -8.84 8,117 7,834 13,729 533
J B Thomas Water Supply 33.1 2,233.58 -24.42 66,900 66,227 199,931 3,954
Lyndon B Johnson Water Supply 98.3 824.70 -0.30 129,693 110,853 112,778 6,404
Marble Falls Water Supply 95.5 736.44 -0.56 7,257 7,257 7,597 602
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 15.7 1,876.75 -31.25 18,209 18,208 115,742 1,437
O H Ivie Water Supply 48.2 1,532.72 -18.78 267,095 267,095 554,340 - n.a. -
Oak Creek Water Supply 21.2 1,978.32 -21.68 8,463 8,313 39,210 717
Travis Water Supply and Flood Control 81.7 669.64 -11.36 913,908 896,876 1,098,044 16,342
Twin Buttes Water Supply 12.7 1,905.59 -34.61 27,003 23,254 182,454 1,780