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Natural hazards · Dalton

Dalton, NH natural hazards

Most of the natural-hazard damage FEMA expects in Dalton comes from avalanches, and overall the risk is high for a U.S. community. Flood insurance has paid 1 claim here since 1998. 5 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Dalton?

72
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Dalton to be higher than in 72% of U.S. communities, mostly from avalanches and inland flooding.

Avalanches71%Inland flooding17%Cold waves8%Everything else4%
By hazard

What Dalton faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Avalanches

71% of expected damage
Well below average · higher than 0% of U.S. places
Recorded about once every 4 years in the area

Inland flooding

17% of expected damage
Well above average · higher than 88% of U.S. places
Recorded about 2 times a year in the area

Cold waves

8% of expected damage
Below average · higher than 41% of U.S. places
Recorded about 7 times a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Dalton flood?

Every paid claim on a federal flood insurance policy in Dalton, from FEMA’s records.

1paid claims since 1998
$12Kpaid to owners
0homes flooded more than once
19982026
of homes in flood zones
are insured
of all homes
are insured
No community discount. Dalton isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Coos County.
Disasters that hit Dalton

5 federal disasters brought FEMA money here

Disasters the President declared that paid out in Dalton itself: aid to households, or repair grants to the Town of Dalton.

Brought FEMA money into DaltonDeclared for Coos County only
2024

Severe Storm and Flooding

$2.8M to the Town of Dalton for repairs
2017

Severe Storms and Flooding

$24K to the Town of Dalton for repairs
2011

Severe Storms and Flooding

$135K to the Town of Dalton for repairs
2008

Severe Storms and Flooding

$33K to the Town of Dalton for repairs
2007

Severe Storms and Flooding

$5K to the Town of Dalton for repairs
Coos County has had 21 natural disasters declared since 1953, most often severe storms and floods.
Around Dalton

Dalton and the towns around it

Lunenburg: Moderate, mostly inland floodingConcord: Moderate, mostly inland floodingLittleton: Very high, mostly inland floodingWhitefield: High, mostly avalanchesLancaster: Very high, mostly avalanchesGuildhall: Moderate, mostly inland floodingVictory: Moderate, mostly inland floodingWaterford: Low, mostly inland floodingKirby: Moderate, mostly inland floodingBethlehem: High, mostly inland floodingLisbon: High, mostly inland floodingMonroe: High, mostly inland floodingBarnet: Low, mostly inland floodingJefferson: High, mostly avalanchesCarroll: High, mostly avalanchesNorthumberland: Very high, mostly avalanchesDalton: High, mostly avalanches DaltonLunenburgConcordLittletonWhitefieldLancaster
Very lowLowModerateHighVery high
Lancastermostly avalanchesVery high
Littletonmostly inland floodingVery high
Daltonmostly avalanchesHigh
Whitefieldmostly avalanchesHigh
Lunenburgmostly inland floodingModerate
Concordmostly inland floodingModerate
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Dalton covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Dalton’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Dalton. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Dalton total about $6.5M a year, counting buildings, people and crops.

Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01
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