Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 66.2% full on 2025-10-25

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-10-25 66.2 271,169 271,098 409,821
Yesterday 2025-10-24 66.1 270,852 270,781 409,821
2 days ago 2025-10-23 66.1 271,100 271,029 409,821
1 week ago 2025-10-18 66.6 272,967 272,896 409,821
1 month ago 2025-09-25 68.3 279,888 279,817 409,821
3 months ago 2025-07-25 70.6 289,533 289,462 409,821
6 months ago 2025-04-25 49.6 203,466 203,395 409,821
1 year ago 2024-10-25 55.1 225,689 225,618 409,821
*

 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 64.9 890.48 -18.52 245,835 245,764 378,781 6,197
Coleto Creek Water Supply 81.6 95.60 -2.40 25,334 25,334 31,040 2,313