Rivers in New Hampshire
Contoocook River at Henniker
Below flood stage
6.73ftStage
Observed Tue, Sep 29, 4:30 PM EDT
- Flood stage
- 12.00 ft
- Forecast crest
- 6.70 ftTue, Sep 29, 8:00 PM EDT
- Record crest
- 21.30 ft1938
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 20.00 ft |
| Moderate flood | 16.00 ft |
| Minor flood | 12.00 ft |
| Action | 10.00 ft |
- 15.00 ftIn Hillsborough, Henniker Street floods with 3 feet of water and Bear Hill road is impassible.
- 14.00 ftIn Hillsborough, Henniker Street floods with 2 feet of water and the High Tide restaurant is inaccessible. In Henniker, Western Avenue floods.
- 13.00 ftIn Hillsborough, Bear Hill road floods as well as Henniker Street from High Tide restaurant to Old Henniker Road.
- 12.00 ftIn the town of Hillsborough, Hennicker Street and Bear Hill Road flood. In Henniker, flood waters encroach on parts of Western Avenue.
- 10.00 ftLowland flooding begins.
Flood outlook
Chance of flooding, October to December
| Category | Chance |
|---|---|
| Minor flooding | 7% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 28, 2026.
Crest history
17 crests on NOAA’s list since 1938.
| # | Date | Stage |
|---|---|---|
| 1 | September 21, 1938 | 21.30 ft |
| 2 | April 17, 2007 | 14.54 ft |
| 3 | October 16, 2005 | 13.75 ft |
| 4 | May 15, 2006 | 13.48 ft |
| 5 | April 3, 2004 | 13.32 ft |
| 6 | March 16, 2010 | 13.25 ft |
| 7 | January 18, 1977 | 13.22 ft |
| 8 | October 22, 1996 | 13.18 ft |
| 9 | June 26, 1944 | 13.13 ft |
| 10 | April 6, 1960 | 13.12 ft |
| 11 | April 13, 1940 | 12.72 ft |
| 12 | April 4, 2005 | 12.36 ft |
| 13 | July 11, 2023 | 12.36 ft |
| 14 | March 23, 1948 | 12.29 ft |
| 15 | April 17, 1996 | 12.25 ft |
| 16 | March 15, 1977 | 12.06 ft |
| 17 | May 1, 1956 | 12.05 ft |
Most recent crests
- July 11, 2023: 12.36 ft
- March 16, 2010: 13.25 ft
- April 17, 2007: 14.54 ft
- May 15, 2006: 13.48 ft
- October 16, 2005: 13.75 ft
- April 4, 2005: 12.36 ft
- April 3, 2004: 13.32 ft
- October 22, 1996: 13.18 ft
- April 17, 1996: 12.25 ft
- March 15, 1977: 12.06 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Northeast River Forecast Center. Forecasts are issued routinely year-round.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.