Key facts: New Hampshire
- The Merrimack, Connecticut and Ashuelot corridors have flooded repeatedly, including in May 2006 and July 2023.[1][2]
- New Hampshire's water damage follows the calendar: frozen pipes and ice dams in winter, snowmelt and river rise in spring, and major storms in summer.
- Long freezes split pipes, and heavy snow feeds ice dams.
Cold sets the pattern
Long freezes split pipes, and heavy snow feeds ice dams. Keep heat on and know your shutoff, especially in seasonal homes.
Rivers and old mills
Inside a New Hampshire water loss
Cities we cover in New Hampshire
Each page covers what is different about water there.
Federal disasters declared in New Hampshire
FEMA lists 64 federal declarations for New Hampshire. The latest are Severe Storm and Flooding in 2012, Severe Winter Storm and Flooding in 2024 and Severe Storms and Flooding in 1998.
| Incident type | Declarations |
|---|---|
| Severe Storm | 28 |
| Flood | 12 |
| Snowstorm | 8 |
| Hurricane | 7 |
| Coastal Storm | 3 |
Counts unique disaster numbers in the FEMA declarations data.
Questions
New Hampshire water damage questions
Do you cover the White Mountains or North Country?
Coverage on file spans 247 ZIP codes. Call and the line will confirm your address.
Are seasonal cottages covered?
Yes, if the address is in coverage. The Laconia page has more on seasonal homes.