Guadalupe Reservoir

Holding 1,296 acre-feet, which is 38.0 percent of its published capacity of 3,415 acre-feet.

Guadalupe Reservoir plotted at latitude 37.1987 and longitude -121.8790 over Valley Water's published major-watershed layer. — Guadalupe Reservoir at 37.1987, -121.8790, exactly as positioned in Valley Water's sensor feed. Guadalupe River is the published polygon whose name matches this portal group. The eleven published polygons do not exactly match the portal's five sensor groups and do not provide a boundary for every named creek.

38.0%

Storage 1,296 acre-feet
Water surface elevation 582.3 ft
Spills at 617.3 ft
Guadalupe watershed
Captured July 28, 2026 at 4:30 PM PT

Reservoir Notes

Elevation data is in 'local' datum, which is similar, but not exactly, in NGVD29 datum. To convert the local datum to NAVD88, add 1.62'.
Valley Water, sensor notes for Guadalupe Reservoir

Gauges Below This Reservoir

Guadalupe Creek below Guadalupe Reservoir
1.48 ft · 2.12 cfs · no published threshold