San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 35.0% full on 2026-02-14

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-02-14 35.0 306,047 301,804 862,151
Yesterday 2026-02-13 35.0 305,864 301,621 862,151
2 days ago 2026-02-12 35.0 306,001 301,758 862,151
1 week ago 2026-02-07 35.1 306,923 302,680 862,151
1 month ago 2026-01-14 35.6 311,001 306,758 862,151
3 months ago 2025-11-14 35.9 314,110 309,867 862,151
6 months ago 2025-08-14 40.5 353,063 348,820 862,151
1 year ago 2025-02-14 29.4 258,055 253,812 862,151
*

 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 86.4 1,871.79 -0.92 8,799 8,306 9,615 1,239
O C Fisher Water Supply and Flood Control 14.7 1,875.87 -32.13 16,981 16,980 115,742 1,343
O H Ivie Water Supply 46.0 1,531.68 -19.82 255,210 255,210 554,340 - n.a. -
Twin Buttes Water Supply and Flood Control 11.7 1,904.46 -35.74 25,057 21,308 182,454 1,676