FEMA expects more hazard damage per building in Irvington Township than in 81% of U.S. towns, led by river and rain flooding
On FEMA’s National Risk Index, Irvington Township gets a C− for hazard risk: higher expected damage per building than 81% of U.S. towns. Most of that expected damage is river and rain flooding (44%), then earthquakes (39%). 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
What Irvington 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
Earthquakes
Strong wind
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.
What’s behind Irvington Township’s grade
River and rain flooding is 44% of the building damage FEMA expects in Irvington Township, and Irvington Township’s rate of river and rain flooding damage is higher than 55% of U.S. census tracts. Strong wind adds 8%, at a rate in the top 2% of U.S. census tracts.
C− higher expected damage per building than 81% of U.S. towns (21,298).
All of Irvington Township’s residents live in one census tract; the figures are that tract’s.
In dollars, FEMA expects about $1.6M a year in losses across Irvington Township: $822K to buildings, the rest to people and crops.
Does Irvington Township flood? No paid flood claims on record
FEMA’s records show no paid flood insurance claims in Irvington Township. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.
Irvington 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: Washington County.The storms Irvington Township remembers
None of the 6 disasters declared for Washington County shows FEMA aid or repair money reaching Irvington Township itself in FEMA’s records, so these are its biggest flood-claim years.
Washington County has had 6 natural disasters declared by the President since 1953, most often severe storms, then floods. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Irvington Township and its neighbors
Irvington Township is 3rd of the 3 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.
| Town | Hazard risk | Mostly (buildings) | Flood claims |
|---|---|---|---|
| Brookside Township | C−more damage than 80% | river and rain flooding | — |
| Hoyleton Township | C−more damage than 81% | river and rain flooding | 1 |
| Irvington Township | C−more damage than 81% | river and rain flooding | 0 |
| Richview Township | — | 259 residents; we grade 1,000+ | |
| Wamac | — | 804 residents; we grade 1,000+ | |
| Centralia Township | — | not graded yet | |
| Beaucoup Township | — | 668 residents; we grade 1,000+ | |
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.
Get ready for what Irvington 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.
- 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.
- Drop, cover and hold on.
- Strap tall furniture and the water heater to the wall.
- Know how to shut off the gas.
- Trim dead limbs over the house and driveway.
- Tie down trash cans and outdoor furniture.
- Stay clear of downed lines and call the utility.
- 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.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Irvington Township
Is Irvington Township at risk for natural disasters?
On FEMA’s National Risk Index, Irvington Township has higher expected damage per building than 81% of U.S. towns: C− for hazard risk. Most of the expected damage is river and rain flooding (44%) and earthquakes (39%). The figures are for the one census tract the town shares with its neighbors. This is FEMA’s model of an average year for today’s buildings, not a forecast.
Is Irvington 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 Washington County, 0.1% of all homes carry federal flood insurance.
How much is flood insurance in Irvington Township?
FEMA’s Community Rating System list shows no discount for Irvington Township’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
Is Irvington Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (44%), and Irvington Township’s rate for it is higher than 55% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Irvington Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Irvington 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.