Rivers in New Hampshire

Lamprey River near Newmarket

Rockingham County, New HampshireNWS LAMN3USGS 01073500Gray office

Below flood stage
1.56ftStage

Observed Wed, Sep 30, 6:15 PM EDT

Flood stage
8.00 ft
Record crest
18.31 ft2006

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood16.00 ft
Moderate flood12.00 ft
Minor flood8.00 ft
Action7.00 ft
  1. 17.00 ftSevere flooding occurs in Durham, Newmarket, Lee and Epping.
  2. 15.00 ftRoute 152 in Lee floods. In Newmarket, Ashswamp Road and the Twin Rivers Condos flood. Flood waters up to 5 feet deep on Bennett Road.
  3. 13.00 ftUp to 1 foot of water on Route 108 between Durham and Newmarket.
  4. 12.00 ftHomes on Route 108 become isolated. Bennet Road has up to 1 foot of water on it.
  5. 11.50 ftRoute 108 starts to flood.
  6. 10.00 ftBennett Road in Durham starts to flood.
  7. 8.00 ftMinor lowland flooding begins.

Crest history

36 crests on NOAA’s list since 1936.

#DateStage
1May 16, 200618.31 ft
2April 18, 200717.49 ft
3April 7, 198715.14 ft
4March 20, 193614.88 ft
5March 16, 201014.81 ft
6October 22, 199614.59 ft
7March 15, 197712.22 ft
8March 20, 198311.61 ft
9April 3, 200411.54 ft
10June 15, 199811.52 ft
11April 6, 196011.46 ft
12May 11, 195411.43 ft
13December 20, 202310.58 ft
14July 31, 193810.55 ft
15February 27, 198110.26 ft
16April 1, 19939.84 ft
17April 5, 19599.83 ft
18April 2, 19629.70 ft
19March 16, 19539.61 ft
20April 7, 19849.50 ft
21March 25, 20019.36 ft
22March 21, 19689.26 ft
23April 2, 20149.24 ft
24April 4, 19739.22 ft
25April 18, 19569.18 ft

Most recent crests

  • December 20, 2023: 10.58 ft
  • May 3, 2023: 8.31 ft
  • April 2, 2014: 9.24 ft
  • March 16, 2010: 14.81 ft
  • April 18, 2007: 17.49 ft
  • May 16, 2006: 18.31 ft
  • April 4, 2005: 8.24 ft
  • April 3, 2004: 11.54 ft
  • March 25, 2001: 9.36 ft
  • June 15, 1998: 11.52 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Northeast River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available.

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.