Photo: Wikijazz · CC BY-SA 3.0More hazard damage per building is expected in Mount Holly Township than in 78% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Mount Holly Township gets a C− for hazard risk: higher expected damage per building than 78% of U.S. towns, #368 of 468 in New Jersey. Most of that expected damage is river and rain flooding (84%). Flood insurance has paid 95 claims here since 1978.
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 Mount Holly 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
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 Mount Holly Township’s grade
River and rain flooding is 84% of the building damage FEMA expects in Mount Holly Township, and Mount Holly Township’s rate of river and rain flooding damage is higher than 86% of U.S. census tracts. Strong wind adds 4%, at a rate in the top 5% of U.S. census tracts.
C− #368 of 468 in New Jersey; higher expected damage per building than 78% of U.S. towns (21,298).
Mount Holly Township’s residents live in 3 census tracts; FEMA’s figures are combined by where they live.
The typical New Jersey town has higher expected damage than 56% of U.S. towns; within the state, Mount Holly Township has more expected damage per building than 79% of New Jersey towns.
In dollars, FEMA expects about $5.3M a year in losses across Mount Holly Township: $4.8M to buildings, the rest to people and crops.
Does Mount Holly Township flood? Sometimes: 95 flood claims since 1978
Every paid claim on a federal flood insurance policy in Mount Holly Township, from FEMA’s records: 25.8 per 1,000 homes, more than 87% of the 13,809 U.S. towns with a flood insurance record.
- Hurricane Irene25 claims · $764K
- The April 2007 nor’easter6 claims · $109K
- The Mid-spring storms4 claims · $111K
Mount Holly 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: Burlington County.9 federal disasters brought FEMA money to Mount Holly Township
Disasters that paid out in Mount Holly Township itself (aid to households or repair grants to Mount Holly Township), newest first, with that year’s flood claims.
- 2016Severe Winter Storm and Snowstorm$25K to Mount Holly Township for repairs
- 2012Hurricane Sandy52 households applied for aid$24K aid approved$241K to Mount Holly Township for repairs
- 2011Hurricane Irene197 households applied for aid$246K aid approved$87K to Mount Holly Township for repairs25 flood claims paid for it, $764K
- 2010Severe Winter Storm and Snowstorm$6K to Mount Holly Township for repairs
- 2010Severe Storms and Flooding14 households applied for aid$13K aid approved
- 2010Severe Winter Storm and Snowstorm$11K to Mount Holly Township for repairs
Show all 9
- 2009Snowstorm$15K to Mount Holly Township for repairs
- 2007Severe Storms and Inland and Coastal Flooding38 households applied for aid$41K aid approved$110K to Mount Holly Township for repairs6 flood claims paid that year
- 2004Severe Storms and Flooding21 households applied for aid$31K aid approved3 flood claims paid that year
Burlington County has had 22 natural disasters declared by the President since 1953, most often severe storms, then winter storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees; the 2001 World Trade Center declarations.
Also 1 FEMA wildfire suppression grant (Fire Management Assistance, not a disaster declaration) for fires in Burlington County, 2007–2007.
Old photos of Mount Holly Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Mount Holly Township archive →Mount Holly Township and its neighbors
Mount Holly Township is 5th of the 5 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 |
|---|---|---|---|
| Westampton Township | B+less damage than 68% | river and rain flooding | 17 |
| Lumberton Township | B−more damage than 53% | river and rain flooding | 174 |
| Hainesport Township | C+more damage than 64% | river and rain flooding | 3 |
| Eastampton Township | Cmore damage than 73% | river and rain flooding | 87 |
| Mount Holly Township | C−more damage than 78% | river and rain flooding | 95 |
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 Mount Holly 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.
- 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 Mount Holly Township
Is Mount Holly Township at risk for natural disasters?
On FEMA’s National Risk Index, Mount Holly Township has higher expected damage per building than 78% of U.S. towns: C− for hazard risk, #368 of 468 in New Jersey. Most of the expected damage is river and rain flooding (84%) and earthquakes (5%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Mount Holly Township flood?
Flood insurance has paid 95 claims in Mount Holly Township since 1978, $2.1M in all, or 25.8 per 1,000 homes, more than 87% of U.S. towns with a flood insurance record. 15 properties have flooded more than once. The most claims came from Hurricane Irene (25).
Is Mount Holly 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 Burlington County, 55% of homes in mapped flood zones carry federal flood insurance, and 2.2% of all homes do.
How much is flood insurance in Mount Holly Township?
FEMA’s Community Rating System list shows no discount for Mount Holly 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 Mount Holly Township?
By FEMA money that reached Mount Holly Township, Hurricane Irene (2011): 197 households applied for aid, $246K approved, and $87K to Mount Holly Township for repairs. By flood claims, Hurricane Irene: 25 paid, $764K.
Is Mount Holly Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (84%), and Mount Holly Township’s rate for it is higher than 86% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Mount Holly Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Mount Holly 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.