San Angelo Area Reservoirs: Monitored Water Supply Reservoirs are 29.5% full on 2026-10-29

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-10-29 29.5 258,287 254,044 862,151
Yesterday 2026-10-28 29.5 258,308 254,065 862,151
2 days ago 2026-10-27 29.5 258,561 254,318 862,151
1 week ago 2026-10-22 29.7 260,088 255,845 862,151
1 month ago 2026-09-29 30.3 265,338 261,095 862,151
3 months ago 2026-07-29 34.1 297,870 293,627 862,151
6 months ago 2026-04-29 35.3 308,258 304,015 862,151
1 year ago 2025-10-29 36.6 320,012 315,769 862,151
*

 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)
Nasworthyas of 2026-10-28 Water Supply 86.0 1,871.76 -0.95 8,762 8,269 9,615 1,236
O C Fisher Water Supply and Flood Control 10.4 1,871.81 -36.19 12,032 12,031 115,742 1,056
O H Ivieas of 2026-10-28 Water Supply 40.8 1,528.98 -22.52 226,055 226,055 554,340 - n.a. -
Twin Buttes Water Supply and Flood Control 4.2 1,894.11 -46.09 11,438 7,689 182,454 1,016