Stale — older than 1 week USGS

Merrimack R Nr Tyngsborough Bridge Tyngsborough Ma

Updated August 31, 2020 at 02:15:00 PM · Approved · Site 010965305

Current conditions

Historical trends

Hourly measurements

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Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-010965305/ (may include cooperator information)