Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 60.2% 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 60.2 246,838 246,767 409,821
Yesterday 2026-03-31 60.2 246,955 246,884 409,821
2 days ago 2026-03-30 60.3 247,150 247,079 409,821
1 week ago 2026-03-25 60.5 248,134 248,063 409,821
1 month ago 2026-03-01 61.4 251,604 251,533 409,821
3 months ago 2026-01-01 62.9 257,991 257,920 409,821
6 months ago 2025-10-01 67.8 278,087 278,016 409,821
1 year ago 2025-04-01 50.5 206,997 206,926 409,821
*

 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 59.0 886.75 -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