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Natural hazards · Acworth

Acworth, NH natural hazards

Most of the natural-hazard damage FEMA expects in Acworth comes from inland flooding, and overall the risk is high for a U.S. community. 11 federal disasters brought FEMA money into town.

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

How exposed is Acworth?

61
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Acworth to be higher than in 61% of U.S. communities, mostly from inland flooding.

Inland flooding77%Everything else23%
By hazard

What Acworth faces

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

Inland flooding

77% of expected damage
Well above average · higher than 81% of U.S. places
Recorded about once a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic 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 Acworth flood?

FEMA's records show no paid flood insurance claims in Acworth.

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

11 federal disasters brought FEMA money here

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

Brought FEMA money into AcworthDeclared for Sullivan County only
2023

Severe Storms and Flooding

$5.0M to the Town of Acworth for repairs
2021

Severe Storm and Flooding

$5.7M to the Town of Acworth for repairs
2013

Severe Storms, Tornadoes, and Flooding

$32K to the Town of Acworth for repairs
2013

Severe Winter Storm and Snowstorm

$5K to the Town of Acworth for repairs
2010

Severe Winter Storm

$5K to the Town of Acworth for repairs
2008

Severe Winter Storm

$38K to the Town of Acworth for repairs
2007

Severe Storms and Flooding

$58K to the Town of Acworth for repairs
2005

Severe Storms and Flooding

3 households applied for aid $7K aid approved $397K to the Town of Acworth for repairs
2005

Record Snow

$14K to the Town of Acworth for repairs
2005

Record And/Or Near Record Snow

$5K to the Town of Acworth for repairs
2003

Severe Storms and Flooding

$55K to the Town of Acworth for repairs
Sullivan County has had 27 natural disasters declared since 1953, most often severe storms and floods.
Around Acworth

Acworth and the towns around it

Lempster: High, mostly inland floodingUnity: High, mostly inland floodingCharlestown: Moderate, mostly inland floodingAlstead: High, mostly inland floodingWashington: High, mostly inland floodingGoshen: High, mostly inland floodingMarlow: High, mostly inland floodingClaremont: High, mostly inland floodingNewport: Very high, mostly inland floodingSpringfield: Low, mostly inland floodingRockingham: High, mostly inland floodingLangdon: High, mostly inland floodingGilsum: High, mostly inland floodingWalpole: Moderate, mostly inland floodingSurry: High, mostly inland floodingAcworth: High, mostly inland flooding AcworthLempsterUnityCharlestownAlstead
Very lowLowModerateHighVery high
Alsteadmostly inland floodingHigh
Acworthmostly inland floodingHigh
Lempstermostly inland floodingHigh
Unitymostly inland floodingHigh
Charlestownmostly 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. Acworth covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Acworth’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Acworth. 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 Acworth total about $1.2M 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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