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Natural hazards · West Brandywine

West Brandywine, PA natural hazards

Most of the natural-hazard damage FEMA expects in West Brandywine comes from inland flooding, and overall the risk is very low for a U.S. community. Flood insurance has paid 2 claims here since 1999.

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

How exposed is West Brandywine?

11
Very low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in West Brandywine to be higher than in 11% of U.S. communities, mostly from inland flooding.

Inland flooding57%Drought7%Hurricanes7%Tornadoes7%Heat waves6%Cold waves5%Everything else11%
By hazard

What West Brandywine faces

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

Inland flooding

57% of expected damage
Below average · higher than 26% of U.S. places
Recorded about 5 times a year in the area

Drought

7% of expected damage
Recorded about 5 times a year in the area

Hurricanes

7% of expected damage
Above average · higher than 65% of U.S. places
Recorded about once every 12 years in the area

Tornadoes

7% of expected damage
Below average · higher than 47% of U.S. places

Heat waves

6% of expected damage
Well below average · higher than 15% of U.S. places
Recorded about 8 times a year in the area

Cold waves

5% of expected damage
Below average · higher than 36% of U.S. places
Recorded about once a year in the area

Lower here

HailIce stormsWinter weatherWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingAvalanchesTsunamisVolcanic 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 West Brandywine flood?

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

2paid claims since 1999
$5Kpaid to owners
0homes flooded more than once
19992026

Biggest named events

  • Hurricane Floyd: 1 claim, $254
of homes in flood zones
are insured
of all homes
are insured
No community discount. West Brandywine isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Chester County.
Disasters that hit West Brandywine

Federal disasters declared here

None of the disasters declared for Chester County shows FEMA aid or repair money reaching West Brandywine itself in FEMA’s records.

Brought FEMA money into West BrandywineDeclared for Chester County only
Chester County has had 22 natural disasters declared since 1953, most often hurricanes and floods.
Around West Brandywine

West Brandywine and the towns around it

West Caln: Very low, mostly inland floodingEast Brandywine: Very low, mostly inland floodingWallace: Low, mostly inland floodingValley: Low, mostly inland floodingCaln: Low, mostly inland floodingHoney Brook: Very low, mostly inland floodingSadsbury: Very low, mostly inland floodingWest Sadsbury: Low, mostly inland floodingSalisbury: Moderate, mostly inland floodingUpper Uwchlan: Very low, mostly inland floodingUwchlan: Very low, mostly inland floodingEast Caln: Very low, mostly inland floodingEast Nantmeal: Very low, mostly inland floodingWest Nantmeal: Very low, mostly inland floodingCoatesville: High, mostly inland floodingDowningtown: High, mostly inland floodingWest Bradford: Very low, mostly inland floodingEast Fallowfield: Very low, mostly inland floodingCaernarvon: Moderate, mostly inland floodingCaernarvon: Low, mostly inland floodingWest Brandywine: Very low, mostly inland flooding West BrandywineWest CalnEast BrandywineWallaceValleyCalnHoney Brook
Very lowLowModerateHighVery high
Calnmostly inland floodingLow
Wallacemostly inland floodingLow
Valleymostly inland floodingLow
East Brandywinemostly inland floodingVery low
West Brandywinemostly inland floodingVery low
Honey Brookmostly inland floodingVery low
West Calnmostly inland floodingVery low
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. West Brandywine covers 2 census tracts, combined by population.
Money that reached townFlood claims are matched to West Brandywine’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of West Brandywine. 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 West Brandywine total about $2.0M 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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