South-Central-Texas Planning Region Reservoirs: Monitored Water Supply Reservoirs are 42.5% full on 2025-10-31

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-10-31 42.5 282,794 282,723 664,644
Yesterday 2025-10-30 42.6 283,128 283,057 664,644
2 days ago 2025-10-29 42.7 283,757 283,686 664,644
1 week ago 2025-10-24 42.8 284,721 284,650 664,644
1 month ago 2025-09-30 44.1 293,212 293,141 664,644
3 months ago 2025-07-31 46.0 306,124 306,053 664,644
6 months ago 2025-04-30 31.2 207,718 207,647 664,644
1 year ago 2024-10-31 34.8 231,134 231,063 664,644
*

 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 64.5 890.22 -18.78 244,227 244,156 378,781 6,170
Coleto Creek Water Supply 80.1 95.39 -2.61 24,852 24,852 31,040 2,284
Medina Water Supply 5.4 981.71 -82.49 13,715 13,715 254,823 850