Neville House · Photo: Daniel Case · CC BY-SA 3.0Less hazard damage per building is expected in Collier Township than in 88% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Collier Township gets an A for hazard risk: lower expected damage per building than 88% of U.S. towns, #279 of 1,037 in Pennsylvania. Most of that expected damage is river and rain flooding (95%). Flood insurance has paid 34 claims here since 1979.
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 stands out about Collier Township’s natural hazards
From FEMA’s model and FEMA’s records, below.
What Collier 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 Collier Township’s grade
River and rain flooding is 95% of the building damage FEMA expects in Collier Township, and Collier Township’s rate of river and rain flooding damage is lower than 56% of U.S. census tracts.
A #279 of 1,037 in Pennsylvania; lower expected damage per building than 88% of U.S. towns (21,298).
Collier Township’s residents live in 2 census tracts; FEMA’s figures are combined by where they live.
The typical Pennsylvania town has lower expected damage than 71% of U.S. towns; within the state, Collier Township has less expected damage per building than 73% of Pennsylvania towns.
In dollars, FEMA expects about $2.5M a year in losses across Collier Township: $2.1M to buildings, the rest to people and crops.
Does Collier Township flood? Sometimes: 34 flood claims since 1979
Every paid claim on a federal flood insurance policy in Collier Township, from FEMA’s records: 8.3 per 1,000 homes, more than 70% of the 13,809 U.S. towns with a flood insurance record.
- Hurricane Ida4 claims · $36K
- Tropical Storm Ivan4 claims · $16K
Collier 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: Allegheny County.The storms Collier Township remembers
None of the 15 disasters declared for Allegheny County shows FEMA aid or repair money reaching Collier Township itself in FEMA’s records, so these are its biggest flood-claim years.
- 19805 flood claims paidThe year of Severe Storms and Tornadoes, declared for Allegheny County
- 20044 flood claims paidThe year of Tropical Depression Ivan, declared for Allegheny County
- 20134 flood claims paidThe year of Severe Storms, Tornadoes, and Flooding, declared for Allegheny County
Allegheny County has had 15 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.
Old photos of Collier Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Collier Township archive →Collier Township and its neighbors
Collier Township is 5th of the 7 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 |
|---|---|---|---|
| Robinson Township | Aless damage than 95% | river and rain flooding | 27 |
| North Fayette Township | Aless damage than 93% | river and rain flooding | 36 |
| Scott Township | Aless damage than 89% | river and rain flooding | 218 |
| South Fayette Township | Aless damage than 89% | river and rain flooding | 64 |
| Collier Township | Aless damage than 88% | river and rain flooding | 34 |
| Bridgeville | B−less damage than 54% | river and rain flooding | 192 |
| Heidelberg | C−more damage than 82% | river and rain flooding | 9 |
| Glendale | — | a Census area inside a town; graded with the town | |
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 Collier 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 Collier Township
Is Collier Township at risk for natural disasters?
On FEMA’s National Risk Index, Collier Township has lower expected damage per building than 88% of U.S. towns: A for hazard risk, #279 of 1,037 in Pennsylvania. Most of the expected damage is river and rain flooding (95%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Collier Township flood?
Flood insurance has paid 34 claims in Collier Township since 1979, $784K in all, or 8.3 per 1,000 homes, more than 70% of U.S. towns with a flood insurance record. 7 properties have flooded more than once. The most claims came from Hurricane Ida (4).
Is Collier 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 Allegheny County, 28% of homes in mapped flood zones carry federal flood insurance, and 0.4% of all homes do.
How much is flood insurance in Collier Township?
FEMA’s Community Rating System list shows no discount for Collier 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 Collier Township?
By flood claims, Hurricane Ida: 4 paid, $36K.
Is Collier Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (95%), and Collier Township’s rate for it is lower than 56% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Collier Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Collier 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.