Active No flood stage data USGS

San Mateo C Bl Junction Box A Dam1 Nr Hillsborough

Updated August 3, 2026 at 08:00:00 AM PDT · Provisional · Site 11162737

Current conditions

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Hourly measurements

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Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-11162737/ (may include cooperator information)