Active USGS

Charles River, New Charles River Dam At Boston, MA

Updated August 2, 2026 at 09:42:00 AM · Provisional · Site 01104715

Current conditions

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Hourly measurements

Detailed readings by hour, organized by day

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Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-01104715/ (may include cooperator information)