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Surface Water Data Portal

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

Guadalupe watershed

Los Gatos Creek below CA-9

Reading 2.54 ft and 20 cfs. That is 4.96 feet below the first flood threshold.

Los Gatos Creek below CA-9 plotted at latitude 37.2309 and longitude -121.9731 over Valley Water's published major-watershed layer.
Los Gatos Creek below CA-9 at 37.2309, -121.9731, 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

2.54 ft

Captured July 28, 2026 at 4:30 PM PT

  • Sensor ID 5019
  • 37.2309, -121.9731
  • Included in Valley Water's flood watch, carries a forecast model
  • Reporting

What Floods at Each Level

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

Threshold 1 · 7.5 ft (1,007 cfs)

4.96 ft above the current reading

Los Gatos Creek Trail may becomes inundated at various locations downstream of Vasona Dam. Vasona Lake County Park will be flooded in various locations.

Valley Water, threshold 1 description for Los Gatos Creek below CA-9

Threshold 2 · 11 ft (2,012 cfs)

8.46 ft above the current reading

Los Gatos Creek Trail and Vasona Lake County Park will be flooded.

Valley Water, threshold 2 description for Los Gatos Creek below CA-9

Threshold 3 · 14 ft (3,000 cfs)

11.46 ft above the current reading

Likely downstream flooding on Los Gatos Creek due to dam spills. Refer to downstream gauges for additional inflow and flood impacts.

Valley Water, threshold 3 description for Los Gatos Creek below CA-9

Places This Gauge Covers

Streets and landmarks named in the threshold descriptions above.

Upstream and Downstream

Where this gauge sits on Los Gatos Creek.

  1. Los Gatos Creek above Ryland Dam

    5.33 ft · 2.17 cfs · no published threshold

  2. Los Gatos Creek above Lexington Reservoir

    0.00 ft · 0 cfs · no published threshold

  3. Los Gatos Creek below Lexington Reservoir (Low Flow)

    2.18 ft · 0 cfs · no published threshold

  4. Los Gatos Creek below CA-9

    2.54 ft · 20 cfs · 4.96 ft below threshold 1

  5. Los Gatos Creek at Lark Ave

    1.51 ft · 20.77 cfs · 2.49 ft below threshold 1

  6. Los Gatos Creek at Kirk Dam Pond (Stage Only)

    9.32 ft · 0 cfs · no published threshold

  7. Los Gatos Creek below Kirk Dam

    1.19 ft · 6.65 cfs · no published threshold

  8. Los Gatos Creek at Lincoln Ave

    4.95 ft · 4.02 cfs · 5.05 ft below threshold 1

Sensor Notes

Installed in 9/2021. Used for Lexington Dam Outflow

Valley Water, sensor notes for Los Gatos Creek below CA-9