Colorado River Basin Reservoirs: Monitored Water Supply Reservoirs are 62.0% full on 2026-01-06

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Most recent 2026-01-06 62.0 2,550,223 2,493,088 4,019,576
1 day prior 2026-01-05 62.1 2,551,366 2,494,231 4,019,576
2 days prior 2026-01-04 62.1 2,553,204 2,496,069 4,019,576
1 week prior 2025-12-30 62.4 2,564,049 2,506,914 4,019,576
1 month prior 2025-12-06 63.2 2,597,393 2,540,232 4,019,576
3 months prior 2025-10-06 64.3 2,643,318 2,586,183 4,019,576
6 months prior 2025-07-06 55.8 2,298,074 2,240,939 4,019,576
1 year prior 2025-01-06 45.5 1,885,285 1,828,150 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)
Austinas of 2026-01-06 Water Supply 96.9 492.33 -0.47 23,845 23,236 23,972 1,553
Brady Creekas of 2026-01-06 Water Supply 98.4 1,742.74 -0.26 29,963 28,341 28,808 2,004
Brownwoodas of 2026-01-06 Water Supply 84.5 1,421.76 -2.84 110,532 110,532 130,868 6,148
Buchananas of 2026-01-06 Water Supply 95.1 1,018.09 -1.91 837,855 824,193 866,694 22,073
Champion Creekas of 2026-01-06 Water Supply 41.3 2,062.06 -20.94 17,184 17,184 41,580 848
Colemanas of 2026-01-06 Water Supply 85.3 1,714.32 -3.18 32,496 32,478 38,075 1,702
Colorado Cityas of 2026-01-06 Water Supply 55.7 2,059.52 -10.68 17,125 17,125 30,758 - n.a. -
E V Spenceas of 2026-01-06 Water Supply 12.5 1,846.63 -51.37 64,420 64,420 517,272 3,918
Hords Creekas of 2026-01-06 Water Supply and Flood Control 56.6 1,891.41 -8.59 4,595 4,592 8,109 322
Inksas of 2026-01-06 Water Supply 96.4 887.38 -0.62 13,517 13,234 13,729 793
J B Thomasas of 2026-01-06 Water Supply 30.1 2,232.03 -25.97 60,926 60,253 199,931 3,753
Lyndon B Johnsonas of 2026-01-06 Water Supply 98.6 824.75 -0.25 130,013 111,173 112,778 6,408
Marble Fallsas of 2026-01-06 Water Supply 95.6 736.45 -0.55 7,263 7,263 7,597 603
Nasworthyas of 2026-01-06 Water Supply 86.9 1,871.83 -0.88 8,849 8,356 9,615 1,241
O C Fisheras of 2026-01-06 Water Supply and Flood Control 15.0 1,876.15 -31.85 17,365 17,364 115,742 1,366
O H Ivieas of 2026-01-06 Water Supply 47.1 1,532.21 -19.29 261,211 261,211 554,340 - n.a. -
Oak Creekas of 2026-01-06 Water Supply 19.7 1,977.39 -22.61 7,864 7,714 39,210 677
Travisas of 2026-01-06 Water Supply and Flood Control 78.6 667.52 -13.48 879,775 862,743 1,098,044 15,857
Twin Buttesas of 2026-01-06 Water Supply and Flood Control 11.9 1,904.68 -35.52 25,425 21,676 182,454 1,692