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Surface Water Data Portal

Readings as of July 28, 2026 at 4:53 PM PT ยท 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. Valley Water publishes Guadalupe River as a major watershed here. The eleven published boundaries do not line up exactly with the five watershed groupings used here, and not every named creek has one.
  • 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