San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 41.8% full on 2025-07-14

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2025-07-14 41.8 364,649 360,406 862,151
Yesterday 2025-07-13 41.7 363,673 359,430 862,151
2 days ago 2025-07-12 41.6 362,976 358,733 862,151
1 week ago 2025-07-07 41.4 361,343 357,100 862,151
1 month ago 2025-06-14 31.2 273,428 269,185 862,151
3 months ago 2025-04-14 28.4 249,459 245,216 862,151
6 months ago 2025-01-14 29.6 259,040 254,797 862,151
1 year ago 2024-07-14 21.3 187,679 183,436 862,151
*

 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 91.6 1,872.19 -0.52 9,301 8,808 9,615 1,268
O C Fisher Water Supply and Flood Control 18.8 1,879.02 -28.98 21,788 21,787 115,742 1,763
O H Ivie Water Supply 54.7 1,535.70 -15.80 303,389 303,389 554,340 - n.a. -
Twin Buttes Water Supply 14.5 1,907.29 -32.91 30,171 26,422 182,454 1,969