San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 28.5% full on 2025-04-15

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-04-15 28.5 249,821 245,578 862,151
Yesterday 2025-04-14 28.5 250,009 245,766 862,151
2 days ago 2025-04-13 28.5 250,248 246,005 862,151
1 week ago 2025-04-08 28.7 251,254 247,011 862,151
1 month ago 2025-03-15 29.1 255,373 251,130 862,151
3 months ago 2025-01-15 29.6 259,643 255,400 862,151
6 months ago 2024-10-15 25.7 226,144 221,901 862,151
1 year ago 2024-04-15 21.2 186,704 182,461 862,151
*

 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 91.3 1,871.66 -0.54 9,276 8,783 9,615 1,267
O C Fisher Water Supply and Flood Control 7.3 1,867.92 -40.08 8,504 8,503 115,742 785
O H Ivie Water Supply 38.9 1,527.97 -23.53 215,795 215,795 554,340 - n.a. -
Twin Buttes Water Supply 6.8 1,898.39 -41.81 16,246 12,497 182,454 1,257