RIVER GAUGE · MERRIMACK RIVER
Merrimack River at Goffs Falls
Hillsborough County, New Hampshire
Water level3.29 ft
Flow1,430 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action10 ft26,800 cfs
Minor flood11 ft
Moderate flood15 ft
Major flood17 ft
The past week
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What floods at each level
- 20 ft
In Manchester, significant flooding occurs on Riverdale Avenue and Stark Way.
- 17 ft
In Manchester, Stark Way and Riverdale Avenue flood.
- 15 ft
Low lying areas of Goffstown...Manchester...Merrimack and Litchfield flood.
- 11 ft
Low lying flooding begins.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 19, 1936 | 35.19 ft | 150,000 cfs |
| Sep 22, 1938 | 25.87 ft | 102,500 cfs |
| May 15, 2006 | 19.87 ft | 74,766 cfs |
More on Merrimack River
UpstreamMerrimack River at Franklin Jct.
DownstreamMerrimack River at Nashua
Get an alert when Merrimack River rises
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