San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 42.0% full on 2025-07-20

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Most recent 2025-07-20 42.0 366,122 361,879 862,151
1 day prior 2025-07-19 42.0 366,481 362,238 862,151
2 days prior 2025-07-18 42.0 366,699 362,456 862,151
1 week prior 2025-07-13 41.7 363,673 359,430 862,151
1 month prior 2025-06-20 30.9 270,803 266,560 862,151
3 months prior 2025-04-20 28.7 251,317 247,074 862,151
6 months prior 2025-01-20 29.5 258,222 253,979 862,151
1 year prior 2024-07-20 21.0 185,311 181,068 862,151
*

 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)
Nasworthyas of 2025-07-20 Water Supply 85.4 1,871.71 -1.00 8,701 8,208 9,615 1,233
O C Fisher Water Supply and Flood Control 18.6 1,878.87 -29.13 21,535 21,534 115,742 1,737
O H Ivieas of 2025-07-20 Water Supply 54.6 1,535.66 -15.84 302,883 302,883 554,340 - n.a. -
Twin Buttes Water Supply 16.0 1,908.68 -31.52 32,999 29,250 182,454 2,124