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Surface Water Data Portal

Readings as of July 28, 2026 at 4:53 PM PT ยท not current conditions

Unassigned watershed

San Tomas at Monroe

Reading 2.14 ft and 0 cfs. Valley Water publishes no flood threshold for this location.

San Tomas at Monroe plotted at latitude 37.3642 and longitude -121.9685 over Valley Water's published major-watershed layer.
San Tomas at Monroe at 37.3642, -121.9685, exactly as positioned in Valley Water's sensor feed. Valley Water publishes no major-watershed boundary under this name, so none is highlighted. The eleven published boundaries do not line up exactly with the five watershed groupings used here, and not every named creek has one.
  • Stream gauge

2.14 ft

Captured July 28, 2026 at 4:30 PM PT

  • Sensor ID 5115
  • 37.3642, -121.9685
  • Not a flood watch sensor
  • Reporting

Flood Thresholds

Valley Water publishes no flood thresholds for this sensor. It is monitored for water supply and stream conditions rather than for flood warning.

Sensor Notes

Sensor was installed in March of 2025 and intended to measure high flows.

Valley Water, sensor notes for San Tomas at Monroe