Region-F Planning Region Reservoirs: Monitored Water Supply Reservoirs are 32.4% full on 2026-08-21

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-08-21 32.4 668,046 661,337 2,041,927
Yesterday 2026-08-20 32.4 669,028 662,319 2,041,927
2 days ago 2026-08-19 32.5 670,244 663,535 2,041,927
1 week ago 2026-08-14 32.8 676,921 670,212 2,041,927
1 month ago 2026-07-21 34.3 707,952 701,243 2,041,927
3 months ago 2026-05-21 34.2 704,616 697,907 2,041,927
6 months ago 2026-02-21 35.2 724,869 718,160 2,041,927
1 year ago 2025-08-21 39.4 812,089 805,380 2,041,927
*

 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)
Brady Creek Water Supply 88.6 1,741.27 -1.73 27,143 25,521 28,808 1,877
Brownwood Water Supply 88.0 1,422.50 -2.10 115,137 115,137 130,868 6,300
Champion Creek Water Supply 43.6 2,063.10 -19.90 18,122 18,122 41,580 874
Coleman Water Supply 81.8 1,713.53 -3.97 31,163 31,145 38,075 1,673
Colorado City Water Supply 55.6 2,059.50 -10.70 17,103 17,103 30,758 - n.a. -
E V Spence Water Supply 10.1 1,843.37 -54.63 52,415 52,415 517,272 3,399
Hords Creek Water Supply and Flood Control 48.7 1,889.30 -10.70 3,954 3,951 8,109 284
J B Thomas Water Supply 22.3 2,227.49 -30.51 45,163 44,490 199,931 3,230
Nasworthy Water Supply 86.0 1,871.76 -0.95 8,762 8,269 9,615 1,236
O C Fisher Water Supply and Flood Control 11.9 1,873.35 -34.65 13,774 13,773 115,742 1,196
O H Ivie Water Supply 44.4 1,530.87 -20.63 246,197 246,197 554,340 - n.a. -
Oak Creek Water Supply 15.2 1,974.48 -25.52 6,091 5,941 39,210 557
Red Bluff Water Supply 46.3 2,814.94 -13.16 67,228 67,228 145,165 4,567
Twin Buttes Water Supply and Flood Control 6.6 1,898.03 -42.17 15,794 12,045 182,454 1,235