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Surface Water Data Portal

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

Guadalupe watershed

Alamitos Creek below Almaden Reservoir

Reading 1.97 ft and 3.5 cfs. Valley Water publishes no flood threshold for this location.

Alamitos Creek below Almaden Reservoir plotted at latitude 37.1686 and longitude -121.8280 over Valley Water's published major-watershed layer.
Alamitos Creek below Almaden Reservoir at 37.1686, -121.8280, 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.
  • Stream gauge

1.97 ft

Captured July 28, 2026 at 4:30 PM PT

  • Sensor ID 5016
  • 37.1686, -121.8280
  • Included in Valley Water's flood watch, carries a forecast model
  • Reporting

Flood Thresholds

Valley Water publishes no flood thresholds for this sensor. It is monitored for water supply and stream conditions rather than for flood warning.

Upstream and Downstream

Where this gauge sits on Alamitos Creek.

  1. Alamitos Creek below Almaden Reservoir

    1.97 ft · 3.5 cfs · no published threshold

  2. Alamitos Creek at Graystone Ln

    1.56 ft · 2.18 cfs · no published threshold

Sensor Notes

Gage captures Almaden Dam releases and spillway flows.

Valley Water, sensor notes for Alamitos Creek below Almaden Reservoir