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Natural hazards · Lisbon

Lisbon, NH natural hazards

Most of the natural-hazard damage FEMA expects in Lisbon comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 14 claims here since 1981. 7 federal disasters brought FEMA money into town.

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

How exposed is Lisbon?

78
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Lisbon to be higher than in 78% of U.S. communities, mostly from inland flooding.

Inland flooding84%Everything else16%
By hazard

What Lisbon faces

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

Inland flooding

84% of expected damage
Well above average · higher than 93% of U.S. places
Recorded about 4 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 Lisbon flood?

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

14paid claims since 1981
$110Kpaid to owners
2homes flooded more than once
19812026

Biggest named events

  • December Nor'easter: 1 claim, $11K

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. Lisbon isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Grafton County.
Disasters that hit Lisbon

7 federal disasters brought FEMA money here

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

Brought FEMA money into LisbonDeclared for Grafton County only
2023

Severe Storms and Flooding

$42K to the Town of Lisbon for repairs
2017

Severe Storms and Flooding

$6K to the Town of Lisbon for repairs
2008

Severe Winter Storm

$11K to the Town of Lisbon for repairs
2008

Severe Storms and Flooding

$40K to the Town of Lisbon for repairs
2005

Record Snow

$8K to the Town of Lisbon for repairs
2003

Snow

$6K to the Town of Lisbon for repairs
2001

Snow

$3K to the Town of Lisbon for repairs
Grafton County has had 32 natural disasters declared since 1953, most often severe storms and floods.
Around Lisbon

Lisbon and the towns around it

Landaff: High, mostly inland floodingLittleton: Very high, mostly inland floodingLyman: High, mostly inland floodingSugar Hill: High, mostly inland floodingBath: High, mostly inland floodingEaston: High, mostly inland floodingBenton: Very high, mostly inland floodingConcord: Moderate, mostly inland floodingWaterford: Low, mostly inland floodingDalton: High, mostly avalanchesBethlehem: High, mostly inland floodingMonroe: High, mostly inland floodingBarnet: Low, mostly inland floodingFranconia: High, mostly inland floodingLisbon: High, mostly inland flooding LisbonLandaffLittletonLymanSugar Hill
Very lowLowModerateHighVery high
Littletonmostly inland floodingVery high
Lisbonmostly inland floodingHigh
Landaffmostly inland floodingHigh
Lymanmostly inland floodingHigh
Sugar Hillmostly inland floodingHigh
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. Lisbon is smaller than a census tract, so it shares the figures of the tract around its center.
Money that reached townFlood claims are matched to Lisbon’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Lisbon. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

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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