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Natural hazards · Danbury

Danbury, NH natural hazards

Most of the natural-hazard damage FEMA expects in Danbury comes from inland flooding, and overall the risk is very high for a U.S. community. Flood insurance has paid 3 claims here since 2006. 6 federal disasters brought FEMA money into town.

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

How exposed is Danbury?

80
Very high
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Danbury to be higher than in 80% of U.S. communities, mostly from inland flooding.

Inland flooding86%Everything else15%
By hazard

What Danbury faces

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

Inland flooding

86% of expected damage
Well above average · higher than 93% of U.S. places
Recorded about 3 times a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireEarthquakesLandslidesStrong windLightningAvalanches

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 Danbury flood?

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

3paid claims since 2006
$16Kpaid to owners
1homes flooded more than once
20062026

Biggest named events

  • Hurricane Irene: 1 claim, $2K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Danbury isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Merrimack County.
Disasters that hit Danbury

6 federal disasters brought FEMA money here

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

Brought FEMA money into DanburyDeclared for Merrimack County only
2017

Severe Storm and Flooding

$6K to the Town of Danbury for repairs
2007

Severe Storms and Flooding

3 households applied for aid $3K aid approved $135K to the Town of Danbury for repairs
2005

Severe Storms and Flooding

1 household applied for aid
2005

Record And/Or Near Record Snow

$4K to the Town of Danbury for repairs
2003

Snow

$3K to the Town of Danbury for repairs
2001

Snow

$3K to the Town of Danbury for repairs
Merrimack County has had 24 natural disasters declared since 1953, most often severe storms and floods.
Around Danbury

Danbury and the towns around it

Hill: Very high, mostly inland floodingWilmot: Very high, mostly inland floodingGrafton: Very high, mostly inland floodingAlexandria: Very high, mostly inland floodingBristol: High, mostly inland floodingNew Hampton: Moderate, mostly inland floodingSanbornton: Moderate, mostly inland floodingNew London: Very low, mostly inland floodingAndover: High, mostly inland floodingSpringfield: High, mostly inland floodingWarner: High, mostly inland floodingSutton: Moderate, mostly inland floodingOrange: Very high, mostly inland floodingEnfield: High, mostly inland floodingCanaan: Very high, mostly inland floodingHebron: Very high, mostly inland floodingDanbury: Very high, mostly inland flooding DanburyHillWilmotGraftonAlexandria
Very lowLowModerateHighVery high
Graftonmostly inland floodingVery high
Alexandriamostly inland floodingVery high
Danburymostly inland floodingVery high
Hillmostly inland floodingVery high
Wilmotmostly inland floodingVery high
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. Danbury covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Danbury’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Danbury. 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 Danbury total about $2.2M 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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