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2025-09-15 15 56 29 Aerial view centered on Concord Township, Delaware County, Pennsylvania from an aircraft heading for Newark Liberty International AirportPhoto: Famartin · CC BY-SA 4.0
A+Hazard risk
Natural hazards in Concord Township · FEMA

FEMA puts Concord Township’s expected hazard damage per building below that of 96% of U.S. towns, mostly from river and rain flooding

On FEMA’s National Risk Index, Concord Township gets an A+ for hazard risk: lower expected damage per building than 96% of U.S. towns, #97 of 1,037 in Pennsylvania. Most of that expected damage is river and rain flooding (72%). FEMA’s files show no paid flood insurance claims here.

Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded

less than 96%of U.S. townsLess damageMoreExpected yearly damage per dollar of building, vs. the 21,298 U.S. towns we grade#97 of 1,037 in Pennsylvania
By hazard

What Concord Township faces

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

River and rain flooding

72%of expected building damage
Well below average · lower than 85% of U.S. census tracts
Recorded about 5 times a year in the area

Earthquakes

10%of expected building damage
About average · higher than 59% of U.S. census tracts

Hurricanes

8%of expected building damage
Above average · higher than 66% of U.S. census tracts
Recorded about once every 11 years in the area

Tornadoes

6%of expected building damage
About average · lower than 51% of U.S. census tracts
Smaller shares here
 Strong wind Winter storms Ice storms Lightning Hail Wildfire Cold waves Heat waves Landslides
FEMA models no building damage here
Coastal floodingAvalanchesTsunamisVolcanic activity
People, not buildings.Counting harm to people as well as buildings, FEMA’s model puts heat waves at 9% of Concord Township’s expected losses. Heat waves do little damage to buildings (0.0%), so they aren’t part of the grade.

Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.

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

What’s behind Concord Township’s grade

River and rain flooding is 72% of the building damage FEMA expects in Concord Township, and Concord Township’s rate of river and rain flooding damage is lower than 85% of U.S. census tracts. Next is earthquakes at 10% (higher than 59% of U.S. census tracts).

Where Concord Township sits
Concord Township
Least damageMiddleMost damage

A+ #97 of 1,037 in Pennsylvania; lower expected damage per building than 96% of U.S. towns (21,298).

Concord Township’s residents live in 5 census tracts; FEMA’s figures are combined by where they live.

What drives the damage to buildings
River and rain flooding72%Earthquakes10%Hurricanes8%Everything else10%

The typical Pennsylvania town has lower expected damage than 71% of U.S. towns; within the state, Concord Township has less expected damage per building than 91% of Pennsylvania towns.

In dollars, FEMA expects about $4.3M a year in losses across Concord Township: $3.2M to buildings, the rest to people and crops.

A small-area figure. Concord Township covers 5 census tracts, combined by where residents live. FEMA’s model is an average year for today’s buildings, not a record: the claims and disasters below are the record.

How TownRatings grades hazard risk →

Flood insurance claims

Does Concord Township flood? No paid flood claims on record

FEMA’s records show no paid flood insurance claims in Concord Township. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.

of homes in flood zones are insured
of all homes are insured
No community discount

Concord Township isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Delaware County.
Disasters

The storms Concord Township remembers

None of the 19 disasters declared for Delaware County shows FEMA aid or repair money reaching Concord Township itself in FEMA’s records, so these are its biggest flood-claim years.

Disasters declared, by decade
Paid out in Concord TownshipDelaware County only

Delaware County has had 19 natural disasters declared by the President since 1953, most often hurricanes and tropical storms, then floods. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Next door

Concord Township and its neighbors

Concord Township is 2nd of the 6 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.

Lowest fifthSecondMiddleFourthHighest fifth
TownHazard riskMostly (buildings)Flood claims
Bethel TownshipA+less damage than 97%river and rain flooding—
Concord TownshipA+less damage than 96%river and rain flooding0
Chadds Ford TownshipA+less damage than 96%river and rain flooding75
Thornbury TownshipAless damage than 93%river and rain flooding—
Aston TownshipAless damage than 89%river and rain flooding35
Chester HeightsA−less damage than 83%river and rain flooding5

Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.

Be ready

Get ready for what Concord Township faces

A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.

When the river rises
  • Turn around at flooded roads: a foot of moving water can carry off a car.
  • Flood insurance usually takes 30 days to start, so buy it before the forecast.
  • Keep papers and medicines up high, in a grab-and-go bag.
More from Ready.gov ↗
Earthquakes
  • Drop, cover and hold on.
  • Strap tall furniture and the water heater to the wall.
  • Know how to shut off the gas.
More from Ready.gov ↗
Hurricane season
  • The season runs June through November and peaks from mid-August to mid-October.
  • Bring in porch furniture and anything the wind can throw.
  • Fill the gas tank and charge phones before the storm arrives.
More from Ready.gov ↗
Tornado warnings
  • Pick your spot now: the lowest floor, an inside room, no windows.
  • A watch means be ready; a warning means take cover now.
  • Keep shoes and a flashlight by the bed.
More from Ready.gov ↗
Before you buy or rent
  • Look up the address on FEMA’s flood map.
  • Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
  • Get a flood insurance quote early: policies usually start 30 days after you buy.
When a storm is coming
Forecast and alertsWeather →911, the nearest ERSafety →

Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.

Questions about natural hazards in Concord Township

Is Concord Township at risk for natural disasters?

On FEMA’s National Risk Index, Concord Township has lower expected damage per building than 96% of U.S. towns: A+ for hazard risk, #97 of 1,037 in Pennsylvania. Most of the expected damage is river and rain flooding (72%) and earthquakes (10%). This is FEMA’s model of an average year for today’s buildings, not a forecast.

Is Concord Township in a flood zone?

Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Delaware County, 39% of homes in mapped flood zones carry federal flood insurance, and 0.7% of all homes do.

How much is flood insurance in Concord Township?

FEMA’s Community Rating System list shows no discount for Concord Township’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.

Is Concord Township at risk from river and rain flooding?

It is the largest share of the building damage FEMA expects here (72%), and Concord Township’s rate for it is lower than 85% of U.S. census tracts.

Storm stories

Memories, warnings and help from neighbors in Concord Township.

Town Square →
Start the conversation

Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Concord Township’s residents lived in the 2020 census; 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. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.