San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 29.3% full on 2025-03-09

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-03-09 29.3 256,539 252,296 862,151
Yesterday 2025-03-08 29.3 256,583 252,340 862,151
2 days ago 2025-03-07 29.3 256,569 252,326 862,151
1 week ago 2025-03-02 29.3 256,932 252,689 862,151
1 month ago 2025-02-09 29.5 258,988 254,745 862,151
3 months ago 2024-12-09 30.3 265,253 261,010 862,151
6 months ago 2024-09-09 26.9 236,362 232,119 862,151
1 year ago 2024-03-09 21.9 192,977 188,734 862,151
*

 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 92.4 1,871.74 -0.46 9,377 8,884 9,615 1,273
O C Fisher Water Supply and Flood Control 7.8 1,868.56 -39.44 9,022 9,021 115,742 821
O H Ivie Water Supply 39.6 1,528.33 -23.17 219,445 219,445 554,340 - n.a. -
Twin Buttes Water Supply 8.2 1,900.26 -39.94 18,695 14,946 182,454 1,374