Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 68.2% full on 2025-07-16

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2025-07-16 68.2 280,209 279,665 409,821
Yesterday 2025-07-15 67.6 277,468 276,865 409,821
2 days ago 2025-07-14 67.2 276,255 275,504 409,821
1 week ago 2025-07-09 66.4 273,254 272,001 409,821
1 month ago 2025-06-16 50.9 209,692 208,557 409,821
3 months ago 2025-04-16 49.8 204,197 204,126 409,821
6 months ago 2025-01-16 52.7 216,228 216,157 409,821
1 year ago 2024-07-16 58.2 238,391 238,320 409,821
*

 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 65.6 890.94 -18.06 248,696 248,625 378,781 6,243
Coleto Creek Water Supply 100.0 98.16 0.16 31,513 31,040 31,040 2,674