South-Central-Texas Planning Region Reservoirs: Monitored Water Supply Reservoirs are 71.8% full on 2026-09-07

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-09-07 71.8 477,294 477,223 664,644
Yesterday 2026-09-06 71.8 477,509 477,355 664,644
2 days ago 2026-09-05 71.8 478,004 477,521 664,644
1 week ago 2026-08-31 71.9 480,293 478,159 664,644
1 month ago 2026-08-07 72.2 489,839 480,052 664,644
3 months ago 2026-06-07 39.0 259,463 259,392 664,644
6 months ago 2026-03-07 39.3 261,531 261,460 664,644
1 year ago 2025-09-07 45.1 299,577 299,506 664,644
*

 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 100.0 908.99 -0.01 378,770 378,699 378,781 8,300
Coleto Creek Water Supply 74.4 94.60 -3.40 23,092 23,092 31,040 2,172
Medina Water Supply 29.6 1,021.61 -42.59 75,432 75,432 254,823 2,518