San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 31.2% full on 2025-06-16

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-06-16 31.2 273,036 268,793 862,151
Yesterday 2025-06-15 31.2 273,184 268,941 862,151
2 days ago 2025-06-14 31.2 273,428 269,185 862,151
1 week ago 2025-06-09 31.2 272,897 268,654 862,151
1 month ago 2025-05-16 31.4 274,790 270,547 862,151
3 months ago 2025-03-16 29.0 254,125 249,882 862,151
6 months ago 2024-12-16 30.1 263,580 259,337 862,151
1 year ago 2024-06-16 22.7 199,996 195,753 862,151
*

 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 85.8 1,871.74 -0.97 8,738 8,245 9,615 1,235
O C Fisher Water Supply and Flood Control 9.5 1,870.73 -37.27 10,939 10,938 115,742 972
O H Ivie Water Supply 40.4 1,528.76 -22.74 223,818 223,818 554,340 - n.a. -
Twin Buttes Water Supply 14.1 1,906.97 -33.23 29,541 25,792 182,454 1,934