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Surface Water Data Portal

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

West Valley watershed

El Camino Storm Drain at Willow Ave (Stage Only)

Reading 2.01 ft and 0 cfs. That is 2.49 feet below the first flood threshold.

El Camino Storm Drain at Willow Ave (Stage Only) plotted at latitude 37.3686 and longitude -121.9970 over Valley Water's published major-watershed layer.
El Camino Storm Drain at Willow Ave (Stage Only) at 37.3686, -121.9970, exactly as positioned in Valley Water's sensor feed. Sunnyvale West, Sunnyvale East, Calabazas, San Tomas are the published polygons whose names match 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

2.01 ft

Captured July 28, 2026 at 4:45 PM PT

  • Sensor ID 5103
  • 37.3686, -121.9970
  • Included in Valley Water's flood watch
  • Reporting

What Floods at Each Level

These descriptions are Valley Water's own, quoted exactly as published for this gauge.

Threshold 1 · 4.5 ft

2.49 ft above the current reading

Flow in channel may cause heavy debris blockage at the trash rack.

Valley Water, threshold 1 description for El Camino Storm Drain at Willow Ave (Stage Only)

Threshold 2 · 9 ft

6.99 ft above the current reading

Overbanking on south side of channel into Buttercup Terrace.

Valley Water, threshold 2 description for El Camino Storm Drain at Willow Ave (Stage Only)

Places This Gauge Covers

Streets and landmarks named in the threshold descriptions above.

Sensor Notes

Stage only sensor used for flood alarms from debris collecting on trash rack.

Valley Water, sensor notes for El Camino Storm Drain at Willow Ave (Stage Only)