Stale — older than 1 week USGS

Merrimack River Ds Stanley Island. Haverhill, MA

Updated September 29, 2020 at 07:53:00 PM · Approved · Site 01100671

Current conditions

Historical trends

Hourly measurements

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Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-01100671/ (may include cooperator information)