Colwell Cut Viaduct · Photo: PennDOT · Public domainFEMA expects more hazard damage per building in Mahoning Township than in 72% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Mahoning Township gets a C for hazard risk: higher expected damage per building than 72% of U.S. towns. Most of that expected damage is river and rain flooding (96%). Flood insurance has paid 17 claims here since 1996.
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 Mahoning 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
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 Mahoning Township’s grade
River and rain flooding is 96% of the building damage FEMA expects in Mahoning Township, and Mahoning Township’s rate of river and rain flooding damage is higher than 87% of U.S. census tracts.
C higher expected damage per building than 72% of U.S. towns (21,298).
All of Mahoning Township’s residents live in one census tract; the figures are that tract’s.
In dollars, FEMA expects about $420K a year in losses across Mahoning Township: $393K to buildings, the rest to people and crops.
Does Mahoning Township flood? Sometimes: 17 flood claims since 1996
Every paid claim on a federal flood insurance policy in Mahoning Township, from FEMA’s records: 25.0 per 1,000 homes, more than 87% of the 13,809 U.S. towns with a flood insurance record.
- Tropical Storm Lee2 claims · $11K
- Tropical Storm Ivan1 claim · $2K
- Tropical Storm Bill1 claim · $3K
Mahoning 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: Armstrong County.The storms Mahoning Township remembers
None of the 14 disasters declared for Armstrong County shows FEMA aid or repair money reaching Mahoning Township itself in FEMA’s records, so these are its biggest flood-claim years.
- 20044 flood claims paidThe year of Tropical Depression Ivan, declared for Armstrong County
- 20063 flood claims paidThe year of Severe Storms, Flooding, and Mudslides, declared for Armstrong County
- 20112 flood claims paidNo declaration for the county that year
Armstrong County has had 14 natural disasters declared by the President since 1953, most often floods, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Old photos of Mahoning Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Mahoning Township archive →Mahoning Township and its neighbors
Mahoning Township is 4th of the 4 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 |
|---|---|---|---|
| Redbank Township | B−less damage than 54% | river and rain flooding | — |
| Porter Township | C+more damage than 57% | river and rain flooding | 88 |
| Wayne Township | Cmore damage than 72% | river and rain flooding | 72 |
| Mahoning Township | Cmore damage than 72% | river and rain flooding | 17 |
| Redbank Township | — | 851 residents; we grade 1,000+ | |
| Madison Township | — | 991 residents; we grade 1,000+ | |
| Distant | — | 606 residents; we grade 1,000+ | |
| New Bethlehem | — | 957 residents; we grade 1,000+ | |
| Boggs Township | — | 868 residents; we grade 1,000+ | |
| South Bethlehem | — | 382 residents; we grade 1,000+ | |
| Pine Township | — | 296 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 Mahoning 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.
- 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 Mahoning Township
Is Mahoning Township at risk for natural disasters?
On FEMA’s National Risk Index, Mahoning Township has higher expected damage per building than 72% of U.S. towns: C for hazard risk. Most of the expected damage is river and rain flooding (96%). 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.
Does Mahoning Township flood?
Flood insurance has paid 17 claims in Mahoning Township since 1996, $275K in all, or 25.0 per 1,000 homes, more than 87% of U.S. towns with a flood insurance record. 3 properties have flooded more than once. The most claims came from Tropical Storm Lee (2).
Is Mahoning 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 Armstrong County, 9% of homes in mapped flood zones carry federal flood insurance, and 0.7% of all homes do.
How much is flood insurance in Mahoning Township?
FEMA’s Community Rating System list shows no discount for Mahoning Township’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
What was the biggest storm in Mahoning Township?
By flood claims, Tropical Storm Lee: 2 paid, $11K.
Is Mahoning Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (96%), and Mahoning Township’s rate for it is higher than 87% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Mahoning Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Mahoning 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.