May 26, 2011
A stationary front located through northern New Hampshire provided a focus for showers and thunderstorms to develop. Due to the slow movement of the storms rainfall rates were high resulting in flash flooding. Several feet of water flooded North Littleton Road in Littleton and 4 homes were evacuated due to concerns over the Dells Pond Dam. Route 135 between Lancaster and Littleton was damaged. In the town of Dalton 8 culverts were washed out and 3 homes were isolated for 3 days due to the washed
Source: NOAA National Weather Service Storm Events Database (event 313378). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Grafton County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.