DisasterAtlasUSA

This is a record of past federal disaster declarations, not a forecast. Federal assistance figures are aid obligated under specific programs, not total damages. For current threats, check the National Weather Service and FEMA.

Home / Hazards / Floods / New Hampshire

Floods in New Hampshire

12 federal floods disaster declarations in New Hampshire since 1953.

Floods — New Hampshire — federal disaster declarations per year
19732023

Counties most affected

Sullivan County8Cheshire County8Grafton County8Carroll County6Coos County6Hillsborough County5Merrimack County5Rockingham County5Belknap County4Strafford County3

Declarations

September 14, 2023Flood7 counties
SEVERE STORMS AND FLOODING
October 4, 2021Flood2 counties
SEVERE STORM AND FLOODING
July 22, 2011Flood2 counties
SEVERE STORMS AND FLOODING
October 29, 1996Flood6 counties
FALL NORTHEASTER RAINSTORM
January 3, 1996Flood6 counties
EXCESSIVE RAINFALL, HIGH WINDS, AND FLOODING
August 29, 1990Flood8 counties
SEVERE STORMS & FLOODING
April 16, 1987Flood8 counties
SEVERE STORMS & FLOODING
August 27, 1986Flood3 counties
SEVERE STORMS, FLOODING
March 15, 1979Flood1 counties
FLOODING
February 16, 1978Flood1 counties
HIGH WINDS, TIDAL SURGE & COASTAL FLOODING
January 21, 1974Flood4 counties
HEAVY RAINS & FLOODING
July 11, 1973Flood10 counties
SEVERE STORMS & FLOODING

Source: OpenFEMA Disaster Declarations Summaries. History is not a forecast.

Floods in New Hampshire | DisasterAtlasUSA