South-Central-Texas Planning Region Reservoirs: Monitored Water Supply Reservoirs are 71.4% full on 2026-09-12

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-09-12 71.4 474,523 474,452 664,644
Yesterday 2026-09-11 71.4 474,934 474,863 664,644
2 days ago 2026-09-10 71.5 475,407 475,336 664,644
1 week ago 2026-09-05 71.8 478,004 477,521 664,644
1 month ago 2026-08-12 72.2 488,179 479,980 664,644
3 months ago 2026-06-12 38.9 258,646 258,575 664,644
6 months ago 2026-03-12 39.3 261,282 261,211 664,644
1 year ago 2025-09-12 45.0 299,019 298,948 664,644
*

 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)
Canyon Water Supply and Flood Control 99.5 908.76 -0.24 376,879 376,808 378,781 8,209
Coleto Creek Water Supply 73.4 94.46 -3.54 22,790 22,790 31,040 2,151
Medina Water Supply 29.4 1,021.38 -42.82 74,854 74,854 254,823 2,502