Contoocook River near Henniker, NH
Is Contoocook River near Henniker, NH flooding right now?
Contoocook River near Henniker, NH measured 4.83 ft on 2026-09-11 01:30:00 UTC. That observation was 7.2 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
4.83 ft
Streamflow
93 cfs
Minor flooding here begins at 12 ft, with major flooding at 20 ft. The highest crest on record was 21.3 ft on Wed, Sep 21, 1938.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 10 ft | 5.2 ft below |
| Minor flood | 12 ft | 7.2 ft below |
| Moderate flood | 16 ft | 11.2 ft below |
| Major flood | 20 ft | 15.2 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 21.3 ft | 1938-09-21 |
| 14.54 ft | 2007-04-17 |
| 13.75 ft | 2005-10-16 |
| 13.48 ft | 2006-05-15 |
| 13.32 ft | 2004-04-03 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Contoocook River below Hopkinton Dam at W Hopkinton, NH | 6.2 mi | Merrimack County |
| North Branch River near Antrim, NH | 7.8 mi | Hillsborough County |
| Warner River at Davisville, NH | 9.3 mi | Merrimack County |
| Piscataquog River below Everett Dam, near E Weare, NH | 10.8 mi | Hillsborough County |
| Blackwater River near Webster, NH | 12.9 mi | Merrimack County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.