South-Central-Texas Planning Region Reservoirs: Monitored Water Supply Reservoirs are 40.4% full on 2026-01-11

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Most recent 2026-01-11 40.4 268,257 268,186 664,644
1 day prior 2026-01-10 40.4 268,600 268,529 664,644
2 days prior 2026-01-09 40.4 268,811 268,740 664,644
1 week prior 2026-01-04 40.5 269,425 269,354 664,644
1 month prior 2025-12-11 41.1 273,353 273,282 664,644
3 months prior 2025-10-11 43.6 289,595 289,524 664,644
6 months prior 2025-07-11 43.2 288,142 286,977 664,644
1 year prior 2025-01-11 33.6 223,408 223,337 664,644
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area 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)
Canyonas of 2026-01-11 Water Supply and Flood Control 61.5 888.37 -20.63 232,985 232,914 378,781 5,984
Coleto Creekas of 2026-01-11 Water Supply 75.4 94.75 -3.25 23,416 23,416 31,040 2,194
Medina Water Supply 4.6 979.27 -84.93 11,721 11,721 254,823 787