Photo: Jerrye & Roy Klotz, MD · CC BY-SA 4.0For coastal flooding, Mannington Township’s building-damage rate is in the top 1% of U.S. census tracts
On FEMA’s National Risk Index, Mannington Township gets a C+ for hazard risk: higher expected damage per building than 63% of U.S. towns. Most of that expected damage is river and rain flooding (42%), then coastal flooding (36%). Flood insurance has paid 1 claim here since 2010.
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 Mannington 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
Coastal 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 Mannington Township’s grade
River and rain flooding is 42% of the building damage FEMA expects in Mannington Township, and Mannington Township’s rate of river and rain flooding damage is lower than 68% of U.S. census tracts. Coastal flooding adds 36%, at a rate in the top 1% of U.S. census tracts.
C+ higher expected damage per building than 63% of U.S. towns (21,298).
All of Mannington 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 Mannington Township: $1.1M to buildings, the rest to people and crops.
Does Mannington Township flood? Rarely: 1 flood claim since 2010
Every paid claim on a federal flood insurance policy in Mannington Township, from FEMA’s records: 2.0 per 1,000 homes, fewer than 61% of the 13,809 U.S. towns with a flood insurance record.
- The March 2010 nor’easter1 claim · $2K
Mannington 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: Salem County.3 federal disasters brought FEMA money to Mannington Township
Disasters that paid out in Mannington Township itself (aid to households or repair grants to Mannington Township), newest first, with that year’s flood claims.
- 2011Hurricane Irene1 households applied for aid$225 aid approved$42K to Mannington Township for repairs
- 2010Severe Winter Storm and Snowstorm$15K to Mannington Township for repairs1 flood claim paid that year
- 2009Snowstorm$15K to Mannington Township for repairs
Salem County has had 18 natural disasters declared by the President since 1953, most often winter storms, then hurricanes and tropical storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees; the 2001 World Trade Center declarations.
Old photos of Mannington Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Mannington Township archive →Mannington Township and its neighbors
Mannington Township is 4th 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 |
|---|---|---|---|
| Alloway Township | B+less damage than 71% | river and rain flooding | 1 |
| Quinton Township | Bless damage than 64% | river and rain flooding | 6 |
| Pilesgrove Township | Bless damage than 60% | river and rain flooding | 2 |
| Mannington Township | C+more damage than 63% | river and rain flooding | 1 |
| Carneys Point Township | C−more damage than 83% | coastal flooding | 56 |
| Pennsville Township | Dmore damage than 92% | coastal flooding | 167 |
| Salem | Dmore damage than 95% | coastal flooding | 18 |
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 Mannington 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.
- Know your evacuation zone and the way off the coast.
- Storm surge comes fast: leave when you’re told, not when the water arrives.
- Move cars to high ground before king tides and nor’easters.
- 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 Mannington Township
Is Mannington Township at risk for natural disasters?
On FEMA’s National Risk Index, Mannington Township has higher expected damage per building than 63% of U.S. towns: C+ for hazard risk. Most of the expected damage is river and rain flooding (42%) and coastal flooding (36%). 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 Mannington Township flood?
Flood insurance has paid 1 claim in Mannington Township since 2010, $2K in all, or 2.0 per 1,000 homes, fewer than 61% of U.S. towns with a flood insurance record. The most claims came from March 2010 Nor'easter (1).
Is Mannington 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 Salem County, 39% of homes in mapped flood zones carry federal flood insurance, and 7.0% of all homes do.
How much is flood insurance in Mannington Township?
FEMA’s Community Rating System list shows no discount for Mannington 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 Mannington Township?
By FEMA money that reached Mannington Township, Hurricane Irene (2011): 1 households applied for aid, $225 approved, and $42K to Mannington Township for repairs. By flood claims, March 2010 Nor'easter: 1 paid, $2K.
Is Mannington Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (42%), and Mannington Township’s rate for it is lower than 68% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Mannington Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Mannington 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.