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Surface Water Data Portal

Demo snapshot · July 28, 2026 at 4:53 PM PT · not current conditions

Reservoirs

Lexington Reservoir

Holding 11,408 acre-feet, which is 59.9 percent of its published capacity of 19,044 acre-feet.

Lexington Reservoir plotted at latitude 37.1998 and longitude -121.9890 over Valley Water's published major-watershed layer.
Lexington Reservoir at 37.1998, -121.9890, 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.
  • Reservoir

59.9%

  • Storage 11,408 acre-feet
  • Water surface elevation 630.2 ft
  • Spills at 649.9 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 2.91'.

Valley Water, sensor notes for Lexington Reservoir