South-Central-Texas Planning Region Reservoirs: Monitored Water Supply Reservoirs are 38.6% full on 2026-04-01

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-04-01 38.6 256,882 256,811 664,644
Yesterday 2026-03-31 38.7 257,021 256,950 664,644
2 days ago 2026-03-30 38.7 257,238 257,167 664,644
1 week ago 2026-03-25 38.9 258,361 258,290 664,644
1 month ago 2026-03-01 39.5 262,345 262,274 664,644
3 months ago 2026-01-01 40.6 269,965 269,894 664,644
6 months ago 2025-10-01 44.0 292,816 292,745 664,644
1 year ago 2025-04-01 32.0 212,689 212,618 664,644
*

 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 59.0 886.75 -22.25 223,422 223,351 378,781 5,822
Coleto Creek Water Supply 75.4 94.75 -3.25 23,416 23,416 31,040 2,194
Medina Water Supply 3.9 977.06 -87.14 10,044 10,044 254,823 729