River gauges›Massachusetts
RIVER GAUGE · MERRIMACK RIVER

Merrimack River at Lawrence

Essex County, Massachusetts

Water level10.14 ft
Flow—
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action22 ft
Minor flood24 ft
Moderate flood29 ft
Major flood34 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Dec 19, 202325.37 ft—
Apr 27, 201922.6 ft—
Mar 31, 201422.48 ft—

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