Guadalupe River Basin Reservoirs: Monitored Water Supply Reservoirs are 62.8% full on 2026-01-04

Historical Data

Date Percent Full Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Today 2026-01-04 62.8 257,544 257,473 409,821
Yesterday 2026-01-03 62.9 257,708 257,637 409,821
2 days ago 2026-01-02 62.9 257,828 257,757 409,821
1 week ago 2025-12-28 63.2 259,108 259,037 409,821
1 month ago 2025-12-04 64.0 262,451 262,380 409,821
3 months ago 2025-10-04 67.6 277,302 277,231 409,821
6 months ago 2025-07-04 50.4 207,748 206,554 409,821
1 year ago 2025-01-04 53.0 217,413 217,342 409,821
*

 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 61.8 888.55 -20.45 234,064 233,993 378,781 6,002
Coleto Creek Water Supply 75.6 94.78 -3.22 23,480 23,480 31,040 2,198