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Surface Water Data Portal

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

Coyote watershed

Berryessa Creek above Calaveras Blvd

Reading 3.97 ft and 102 cfs. That is 9.03 feet below the first flood threshold.

Berryessa Creek above Calaveras Blvd plotted at latitude 37.4331 and longitude -121.8930 over Valley Water's published major-watershed layer.
Berryessa Creek above Calaveras Blvd at 37.4331, -121.8930, exactly as positioned in Valley Water's sensor feed. Coyote 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

3.97 ft

Captured July 8, 2026 at 7:45 AM PT

  • Sensor ID 5064
  • 37.4331, -121.8930
  • 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 · 13 ft

9.03 ft above the current reading

Possible overtopping from 237 to Ames if vegetation is heavy. Check levees.

Valley Water, threshold 1 description for Berryessa Creek above Calaveras Blvd

Upstream and Downstream

Where this gauge sits on Berryessa Creek.

  1. Berryessa Creek at Old Piedmont Road

    9.90 ft · 0 cfs · 1.10 ft below threshold 1

  2. Berryessa Creek above Calaveras Blvd

    3.97 ft · 102 cfs · 9.03 ft below threshold 1

Sensor Notes

Previously located near King Rd, but moved upstream due to backwater influence from Coyote Creek during high flows. Low flow cuttoff was set to 80 cfs in WY 2024 due to meandering channel.

Valley Water, sensor notes for Berryessa Creek above Calaveras Blvd