RIVER GAUGE · CONTOOCOOK RIVER
Contoocook River at Henniker
Merrimack County, New Hampshire
Water level5.13 ft
Flow153 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action10 ft3,670 cfs
Minor flood12 ft7,400 cfs
Moderate flood16 ft
Major flood20 ft
The past week
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What floods at each level
- 15 ft
In Hillsborough, Henniker Street floods with 3 feet of water and Bear Hill road is impassible.
- 14 ft
In Hillsborough, Henniker Street floods with 2 feet of water and the High Tide restaurant is inaccessible. In Henniker, Western Avenue floods.
- 13 ft
In Hillsborough, Bear Hill road floods as well as Henniker Street from High Tide restaurant to Old Henniker Road.
- 12 ft
In the town of Hillsborough, Hennicker Street and Bear Hill Road flood. In Henniker, flood waters encroach on parts of Western Avenue.
- 10 ft
Lowland flooding begins.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Sep 20, 1938 | 21.3 ft | 22,200 cfs |
| Apr 17, 2007 | 14.54 ft | 13,100 cfs |
| Oct 16, 2005 | 13.75 ft | 11,100 cfs |
More on Contoocook River
UpstreamContoocook River at Peterborough
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