Rivers in New Hampshire

Piscataquog River at Goffstown

Hillsborough County, New HampshireNWS GFFN3USGS 01091500Gray office

Below flood stage
3.92ftStage

Observed Wed, Sep 23, 2:30 PM EDT

Flood stage
9.00 ft
Forecast crest
3.30 ftWed, Sep 23, 8:00 PM EDT
Record crest
17.52 ft1938

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood12.00 ft
Moderate flood10.00 ft
Minor flood9.00 ft
Action7.00 ft
  1. 13.00 ftFlooding of primary and secondary roads along the river occurs. In Goffstown this includes Henry Bridge Road, Water Road, Sarette Road, and Dumont Park Road. In Manchester, Bass Island and Piscqtaquog River Park flood.
  2. 11.00 ftFlooding begins near the village of Riverdale and areas below Glen Lake.
  3. 9.00 ftMinor lowland flooding begins.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.

Crest history

66 crests on NOAA’s list since 1936.

#DateStage
1September 21, 193817.52 ft
2March 19, 193616.03 ft
3April 16, 200713.05 ft
4May 15, 200612.55 ft
5April 6, 198711.28 ft
6April 5, 196010.85 ft
7June 15, 194210.79 ft
8June 25, 194410.66 ft
9October 21, 199610.60 ft
10April 2, 200410.40 ft
11December 19, 202310.15 ft
12March 15, 201010.10 ft
13April 11, 198410.00 ft
14April 17, 19969.94 ft
15April 6, 19529.89 ft
16March 31, 20109.79 ft
17April 13, 19409.60 ft
18March 14, 19779.59 ft
19April 3, 19599.56 ft
20October 15, 20059.45 ft
21March 22, 19489.41 ft
22May 10, 20259.31 ft
23December 24, 19949.20 ft
24December 24, 19949.20 ft
25March 30, 19939.17 ft

Most recent crests

  • May 10, 2025: 9.31 ft
  • December 19, 2023: 10.15 ft
  • December 23, 2022: 9.13 ft
  • March 31, 2010: 9.79 ft
  • March 15, 2010: 10.10 ft
  • February 26, 2010: 9.08 ft
  • September 7, 2008: 7.68 ft
  • April 16, 2007: 13.05 ft
  • May 15, 2006: 12.55 ft
  • October 15, 2005: 9.45 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.