San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 29.0% full on 2025-03-20

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-03-20 29.0 254,160 249,917 862,151
Yesterday 2025-03-19 29.0 254,232 249,989 862,151
2 days ago 2025-03-18 29.0 254,185 249,942 862,151
1 week ago 2025-03-13 29.2 255,602 251,359 862,151
1 month ago 2025-02-20 29.4 257,760 253,517 862,151
3 months ago 2024-12-20 30.0 263,263 259,020 862,151
6 months ago 2024-09-20 26.6 233,238 228,995 862,151
1 year ago 2024-03-20 21.8 191,946 187,703 862,151
*

 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)
Nasworthy Water Supply 91.6 1,871.68 -0.52 9,301 8,808 9,615 1,268
O C Fisher Water Supply and Flood Control 7.6 1,868.31 -39.69 8,818 8,817 115,742 807
O H Ivie Water Supply 39.2 1,528.14 -23.36 217,514 217,514 554,340 - n.a. -
Twin Buttes Water Supply 7.7 1,899.63 -40.57 17,845 14,096 182,454 1,332