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Surface Water Data Portal

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

Lower Peninsula watershed

Permanente Creek at Rancho San Antonio Park

Reading 2.18 ft and 0 cfs. That is 6.82 feet below the first flood threshold.

Permanente Creek at Rancho San Antonio Park plotted at latitude 37.3329 and longitude -122.0880 over Valley Water's published major-watershed layer.
Permanente Creek at Rancho San Antonio Park at 37.3329, -122.0880, 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

2.18 ft

Captured July 28, 2026 at 4:30 PM PT

  • Sensor ID 5120
  • 37.3329, -122.0880
  • 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 · 9 ft (530 cfs)

6.82 ft above the current reading

The weir at Rancho San Antonio South Basin is overtopped and starts spilling into detention basins as designed

Valley Water, threshold 1 description for Permanente Creek at Rancho San Antonio Park

Threshold 3 · 11.5 ft (1,250 cfs)

9.32 ft above the current reading

Very high flows. Check downstream gages for impacts. High likelihood for potential flooding

Valley Water, threshold 3 description for Permanente Creek at Rancho San Antonio Park

Upstream and Downstream

Where this gauge sits on Permanente Creek.

  1. Permanente Creek at Rancho San Antonio Park

    2.18 ft · 0 cfs · 6.82 ft below threshold 1

  2. Permanente Creek above Berry Ave

    1.14 ft · 0 cfs · 5.36 ft below threshold 1

Sensor Notes

This sensor is considered high flow only. Rating is poor with few measurements.

Valley Water, sensor notes for Permanente Creek at Rancho San Antonio Park