Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 44.5% full on 2025-07-02

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-07-02 44.5 1,845,664 1,788,529 4,019,576
Yesterday 2025-07-01 44.5 1,845,627 1,788,492 4,019,576
2 days ago 2025-06-30 44.5 1,845,696 1,788,561 4,019,576
1 week ago 2025-06-25 44.9 1,861,825 1,804,690 4,019,576
1 month ago 2025-06-02 43.7 1,818,965 1,757,805 4,019,576
3 months ago 2025-04-02 43.2 1,793,106 1,735,971 4,019,576
6 months ago 2025-01-02 45.6 1,890,432 1,833,297 4,019,576
1 year ago 2024-07-02 43.8 1,796,576 1,739,442 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)
Austinas of 2025-07-01 Water Supply 95.8 492.15 -0.65 23,566 22,957 23,972 1,542
Brady Creekas of 2025-07-01 Water Supply 29.9 1,727.80 -15.20 10,238 8,616 28,808 848
Brownwoodas of 2025-07-01 Water Supply 98.3 1,424.58 -0.02 128,686 128,686 130,868 6,728
Buchananas of 2025-07-01 Water Supply 59.8 1,002.59 -17.41 532,083 518,421 866,694 16,837
Champion Creekas of 2025-07-01 Water Supply 46.8 2,064.49 -18.51 19,449 19,449 41,580 909
Colemanas of 2025-07-01 Water Supply 97.2 1,716.91 -0.59 37,031 37,013 38,075 1,792
Colorado City Water Supply 65.4 2,062.12 -8.08 20,131 20,131 30,758 - n.a. -
E V Spence Water Supply 14.9 1,849.66 -48.34 76,988 76,988 517,272 4,413
Hords Creekas of 2025-07-01 Water Supply and Flood Control 68.3 1,894.14 -5.86 5,545 5,542 8,109 376
Inksas of 2025-07-01 Water Supply 95.4 887.21 -0.79 13,383 13,100 13,729 790
J B Thomasas of 2025-07-01 Water Supply 36.0 2,235.00 -23.00 72,649 71,976 199,931 4,136
Lyndon B Johnsonas of 2025-07-01 Water Supply 98.3 824.70 -0.30 129,693 110,853 112,778 6,404
Marble Fallsas of 2025-07-01 Water Supply 93.6 736.20 -0.80 7,113 7,113 7,597 598
Nasworthyas of 2025-07-01 Water Supply 86.0 1,871.76 -0.95 8,762 8,269 9,615 1,236
O C Fisheras of 2025-07-01 Water Supply and Flood Control 9.0 1,870.20 -37.80 10,437 10,436 115,742 911
O H Ivieas of 2025-07-01 Water Supply 39.2 1,528.12 -23.38 217,310 217,310 554,340 - n.a. -
Oak Creekas of 2025-07-01 Water Supply 25.3 1,980.55 -19.45 10,080 9,930 39,210 816
Travisas of 2025-07-01 Water Supply and Flood Control 43.4 637.48 -43.52 494,101 477,069 1,098,044 10,246
Twin Buttesas of 2025-07-01 Water Supply 13.5 1,906.37 -33.83 28,419 24,670 182,454 1,867