Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 45.9% full on 2025-06-15

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-06-15 45.9 1,881,971 1,823,560 3,975,089
Yesterday 2025-06-14 45.9 1,882,059 1,823,648 3,975,089
2 days ago 2025-06-13 45.7 1,874,402 1,815,855 3,975,089
1 week ago 2025-06-08 45.2 1,854,015 1,795,673 3,975,089
1 month ago 2025-05-15 43.4 1,784,515 1,726,049 3,975,089
3 months ago 2025-03-15 44.0 1,824,093 1,766,958 4,019,576
6 months ago 2024-12-15 46.1 1,910,416 1,853,096 4,019,576
1 year ago 2024-06-15 44.6 1,831,138 1,774,004 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 96.2 492.22 -0.58 23,674 23,065 23,972 1,546
Brady Creekas of 2025-06-14 Water Supply 30.9 1,728.20 -14.80 10,525 8,903 28,808 873
Brownwoodas of 2025-06-14 Water Supply 100.0 1,425.09 0.49 132,144 130,868 130,868 6,833
Buchanan Water Supply 64.3 1,003.21 -14.79 542,608 528,946 822,207 17,111
Champion Creekas of 2025-06-14 Water Supply 47.7 2,064.89 -18.11 19,822 19,822 41,580 919
Colemanas of 2025-06-14 Water Supply 99.2 1,717.33 -0.17 37,787 37,769 38,075 1,805
Colorado City Water Supply 66.7 2,062.43 -7.77 20,512 20,512 30,758 - n.a. -
E V Spence Water Supply 15.3 1,850.09 -47.91 78,896 78,896 517,272 4,461
Hords Creekas of 2025-06-14 Water Supply and Flood Control 70.4 1,894.57 -5.43 5,710 5,707 8,109 384
Inks Water Supply 94.4 887.03 -0.97 13,242 12,959 13,729 777
J B Thomasas of 2025-06-14 Water Supply 36.8 2,235.40 -22.60 74,312 73,639 199,931 4,182
Lyndon B Johnson Water Supply 98.1 824.66 -0.34 129,436 110,596 112,778 6,400
Marble Falls Water Supply 95.0 736.37 -0.63 7,215 7,215 7,597 601
Nasworthyas of 2025-06-14 Water Supply 85.9 1,871.75 -0.96 8,750 8,257 9,615 1,236
O C Fisher Water Supply and Flood Control 9.5 1,870.77 -37.23 10,976 10,975 115,742 977
O H Ivieas of 2025-06-14 Water Supply 40.4 1,528.79 -22.71 224,123 224,123 554,340 - n.a. -
Oak Creekas of 2025-06-14 Water Supply 26.4 1,981.09 -18.91 10,483 10,333 39,210 842
Travis Water Supply and Flood Control 44.3 638.43 -42.57 503,903 486,871 1,098,044 10,390
Twin Buttes Water Supply 14.1 1,906.98 -33.22 29,560 25,811 182,454 1,935