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Surface Water Data Portal

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

Lower Peninsula watershed

Stevens Creek below Stevens Creek Reservoir

Reading 2.15 ft and 2.15 cfs. That is 3.85 feet below the first flood threshold.

Stevens Creek below Stevens Creek Reservoir plotted at latitude 37.3059 and longitude -122.0730 over Valley Water's published major-watershed layer.
Stevens Creek below Stevens Creek Reservoir at 37.3059, -122.0730, exactly as positioned in Valley Water's sensor feed. San Francisquito, Adobe, Permanente 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

2.15 ft

Captured July 28, 2026 at 4:30 PM PT

  • Sensor ID 5044
  • 37.3059, -122.0730
  • 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 · 6 ft (1,100 cfs)

3.85 ft above the current reading

Possible flooding along Florence Dr and along Deep Cliff and Blackberry Farms Golf Courses, as well as overbanking upstream of Stevens Creek Blvd.

Valley Water, threshold 1 description for Stevens Creek below Stevens Creek Reservoir

Threshold 2 · 7 ft (1,500 cfs)

4.85 ft above the current reading

Area near McClellan Ranch Preserve may flood upstream of McClellan Road, overflowing the road and surrounding low areas. Some houses and streets possibly flooded on Florence Dr., Creston Dr., Phar Lap Dr., Creekside Ct., and Clearwood Ct.

Valley Water, threshold 2 description for Stevens Creek below Stevens Creek Reservoir

Threshold 3 · 9.5 ft (3,000 cfs)

7.35 ft above the current reading

Homes between I-280 and Stevens Creek Blvd at risk of structure damage due to flooding on the streets and throughout the neighborhood within the floodplain.

Valley Water, threshold 3 description for Stevens Creek below Stevens Creek Reservoir

Places This Gauge Covers

Streets and landmarks named in the threshold descriptions above.

Upstream and Downstream

Where this gauge sits on Stevens Creek.

  1. Stevens Creek below Stevens Creek Reservoir

    2.15 ft · 2.15 cfs · 3.85 ft below threshold 1

  2. Stevens Creek above I-280

    3.27 ft · 0.83 cfs · no published threshold

  3. Stevens Creek above CA-85 near Central Ave

    2.56 ft · 0 cfs · 12.94 ft below threshold 1

Sensor Notes

Sensor for operations, water rights, water supply, environmental, and flood protection.

Valley Water, sensor notes for Stevens Creek below Stevens Creek Reservoir