Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 60.5% full on 2026-03-25

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-03-25 60.5 248,214 248,143 409,821
Yesterday 2026-03-24 60.6 248,273 248,202 409,821
2 days ago 2026-03-23 60.6 248,491 248,420 409,821
1 week ago 2026-03-18 60.8 249,171 249,100 409,821
1 month ago 2026-02-25 61.5 252,070 251,999 409,821
3 months ago 2025-12-25 63.3 259,376 259,305 409,821
6 months ago 2025-09-25 68.3 279,888 279,817 409,821
1 year ago 2025-03-25 50.2 205,937 205,866 409,821
*

 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 59.3 886.96 -22.04 224,647 224,576 378,781 5,843
Coleto Creek Water Supply 75.9 94.82 -3.18 23,567 23,567 31,040 2,204