Photo: Alan Kotok on Flickr · CC BY 2.0FEMA expects about as much hazard damage per building in Chapman Township as in the typical U.S. town, mostly from river and rain flooding
On FEMA’s National Risk Index, Chapman Township gets a B for hazard risk: lower expected damage per building than 57% of U.S. towns. Most of that expected damage is river and rain flooding (85%). Flood insurance has paid 18 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 Chapman 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
Hurricanes
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 Chapman Township’s grade
River and rain flooding is 85% of the building damage FEMA expects in Chapman Township, and Chapman Township’s rate of river and rain flooding damage is higher than 64% of U.S. census tracts. Next is hurricanes at 6% (higher than 71% of U.S. census tracts).
B lower expected damage per building than 57% of U.S. towns (21,298).
All of Chapman Township’s residents live in one census tract; the figures are that tract’s.
In dollars, FEMA expects about $406K a year in losses across Chapman Township: $305K to buildings, the rest to people and crops.
Does Chapman Township flood? Sometimes: 18 flood claims since 1979
Every paid claim on a federal flood insurance policy in Chapman Township, from FEMA’s records: 33.5 per 1,000 homes, more than 89% of the 13,809 U.S. towns with a flood insurance record.
- Tropical Storm Ivan5 claims · $54K
- Tropical Storm Lee3 claims · $51K
Chapman 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: Snyder County.The storms Chapman Township remembers
None of the 13 disasters declared for Snyder County shows FEMA aid or repair money reaching Chapman Township itself in FEMA’s records, so these are its biggest flood-claim years.
- 20045 flood claims paidThe year of Tropical Depression Ivan, declared for Snyder County
- 20113 flood claims paidThe year of Tropical Storm Lee, declared for Snyder County
- 19792 flood claims paidNo declaration for the county that year
Snyder County has had 13 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 Chapman Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Chapman Township archive →Chapman Township and its neighbors
Chapman Township is 3rd of the 6 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 |
|---|---|---|---|
| Union Township | Bless damage than 57% | river and rain flooding | 25 |
| Washington Township | Bless damage than 57% | river and rain flooding | — |
| Chapman Township | Bless damage than 57% | river and rain flooding | 18 |
| Perry Township | B−less damage than 52% | river and rain flooding | 4 |
| Susquehanna Township | C+more damage than 57% | river and rain flooding | — |
| Lower Mahanoy Township | C+more damage than 65% | river and rain flooding | 6 |
| Port Trevorton | — | 687 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 Chapman 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.
- 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.
- 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 Chapman Township
Is Chapman Township at risk for natural disasters?
On FEMA’s National Risk Index, Chapman Township has lower expected damage per building than 57% of U.S. towns: B for hazard risk. Most of the expected damage is river and rain flooding (85%) and hurricanes (6%). 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 Chapman Township flood?
Flood insurance has paid 18 claims in Chapman Township since 1979, $174K in all, or 33.5 per 1,000 homes, more than 89% of U.S. towns with a flood insurance record. 3 properties have flooded more than once. The most claims came from Tropical Storm Ivan (5).
Is Chapman 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 Snyder County, 21% of homes in mapped flood zones carry federal flood insurance, and 1.4% of all homes do.
How much is flood insurance in Chapman Township?
FEMA’s Community Rating System list shows no discount for Chapman 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 Chapman Township?
By flood claims, Tropical Storm Ivan: 5 paid, $54K.
Is Chapman Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (85%), and Chapman Township’s rate for it is higher than 64% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Chapman Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Chapman 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.