Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 44.1% full on 2025-03-13

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-03-13 44.1 1,829,946 1,772,811 4,019,576
Yesterday 2025-03-12 44.1 1,830,132 1,772,997 4,019,576
2 days ago 2025-03-11 44.1 1,830,920 1,773,786 4,019,576
1 week ago 2025-03-06 44.3 1,836,386 1,779,251 4,019,576
1 month ago 2025-02-13 44.8 1,858,997 1,801,862 4,019,576
3 months ago 2024-12-13 46.1 1,911,728 1,854,476 4,019,576
6 months ago 2024-09-13 47.2 1,934,993 1,877,858 3,975,089
1 year ago 2024-03-13 36.0 1,503,976 1,446,841 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 96.2 492.22 -0.58 23,674 23,065 23,972 1,546
Brady Creekas of 2025-03-12 Water Supply 33.2 1,728.91 -14.09 11,177 9,555 28,808 918
Brownwoodas of 2025-03-12 Water Supply 97.9 1,424.50 -0.10 128,148 128,148 130,868 6,711
Buchanan Water Supply 57.7 1,001.50 -18.50 514,013 500,351 866,694 16,314
Champion Creekas of 2025-03-12 Water Supply 47.6 2,064.86 -18.14 19,797 19,797 41,580 918
Colemanas of 2025-03-12 Water Supply 97.4 1,716.94 -0.56 37,085 37,067 38,075 1,793
Colorado City Water Supply 71.0 2,063.50 -6.70 21,853 21,853 30,758 - n.a. -
E V Spence Water Supply 16.2 1,851.18 -46.82 83,825 83,825 517,272 4,582
Hords Creekas of 2025-03-12 Water Supply and Flood Control 59.9 1,892.22 -7.78 4,861 4,858 8,109 336
Inks Water Supply 96.0 887.31 -0.69 13,462 13,179 13,729 792
J B Thomasas of 2025-03-12 Water Supply 39.9 2,236.84 -21.16 80,449 79,776 199,931 4,343
Lyndon B Johnson Water Supply 98.6 824.76 -0.24 130,077 111,237 112,778 6,409
Marble Falls Water Supply 94.7 736.33 -0.67 7,191 7,191 7,597 600
Nasworthyas of 2025-03-12 Water Supply 92.7 1,871.76 -0.44 9,403 8,910 9,615 1,274
O C Fisher Water Supply and Flood Control 7.8 1,868.50 -39.50 8,973 8,972 115,742 818
O H Ivieas of 2025-03-12 Water Supply 39.5 1,528.29 -23.21 219,039 219,039 554,340 - n.a. -
Oak Creekas of 2025-03-12 Water Supply 26.8 1,981.26 -18.74 10,654 10,504 39,210 850
Travis Water Supply and Flood Control 42.8 636.77 -44.23 486,864 469,832 1,098,044 10,142
Twin Buttes Water Supply 8.1 1,900.08 -40.12 18,445 14,696 182,454 1,361