San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 30.9% full on 2025-05-05

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-05-05 30.9 271,064 266,821 862,151
Yesterday 2025-05-04 31.0 271,476 267,233 862,151
2 days ago 2025-05-03 31.1 272,010 267,767 862,151
1 week ago 2025-04-28 31.1 272,641 268,398 862,151
1 month ago 2025-04-05 28.7 252,010 247,767 862,151
3 months ago 2025-02-05 29.6 259,227 254,984 862,151
6 months ago 2024-11-05 25.1 220,477 216,234 862,151
1 year ago 2024-05-05 22.0 194,282 190,039 862,151
*

 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 91.9 1,871.70 -0.50 9,326 8,833 9,615 1,270
O C Fisher Water Supply and Flood Control 9.6 1,870.91 -37.09 11,109 11,108 115,742 993
O H Ivie Water Supply 40.1 1,528.60 -22.90 222,191 222,191 554,340 - n.a. -
Twin Buttes Water Supply 13.5 1,906.37 -33.83 28,419 24,670 182,454 1,867