San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 31.2% full on 2025-06-14

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-06-14 31.2 273,539 269,296 862,151
Yesterday 2025-06-13 31.3 273,687 269,444 862,151
2 days ago 2025-06-12 31.3 273,860 269,617 862,151
1 week ago 2025-06-07 31.2 273,468 269,225 862,151
1 month ago 2025-05-14 31.4 275,184 270,941 862,151
3 months ago 2025-03-14 29.1 254,916 250,673 862,151
6 months ago 2024-12-14 30.1 263,701 259,458 862,151
1 year ago 2024-06-14 22.8 201,038 196,795 862,151
*

 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 85.9 1,871.75 -0.96 8,750 8,257 9,615 1,236
O C Fisher Water Supply and Flood Control 9.5 1,870.80 -37.20 11,005 11,004 115,742 980
O H Ivie Water Supply 40.4 1,528.80 -22.70 224,224 224,224 554,340 - n.a. -
Twin Buttes Water Supply 14.1 1,906.98 -33.22 29,560 25,811 182,454 1,935