San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 31.3% full on 2025-06-13

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-06-13 31.3 273,878 269,635 862,151
Yesterday 2025-06-12 31.3 273,860 269,617 862,151
2 days ago 2025-06-11 31.3 273,959 269,716 862,151
1 week ago 2025-06-06 31.3 273,796 269,553 862,151
1 month ago 2025-05-13 31.4 275,379 271,136 862,151
3 months ago 2025-03-13 29.1 254,963 250,720 862,151
6 months ago 2024-12-13 30.1 263,633 259,390 862,151
1 year ago 2024-06-13 22.9 201,519 197,276 862,151
*

 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 1,870.83 -37.17 11,033 11,032 115,742 983
O H Ivie Water Supply 40.5 1,528.81 -22.69 224,326 224,326 554,340 - n.a. -
Twin Buttes Water Supply 14.2 1,906.99 -33.21 29,578 25,829 182,454 1,936