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Natural hazards · Mount Holly

Mount Holly, NJ natural hazards

Most of the natural-hazard damage FEMA expects in Mount Holly comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 95 claims here since 1978. 8 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Mount Holly?

72
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Mount Holly to be higher than in 72% of U.S. communities, mostly from inland flooding.

Inland flooding76%Earthquakes7%Everything else17%
By hazard

What Mount Holly faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

76% of expected damage
Well above average · higher than 86% of U.S. places
Recorded about 3 times a year in the area

Earthquakes

7% of expected damage
Above average · higher than 73% of U.S. places

Lower here

Coastal floodingHurricanesTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireLandslidesStrong windLightning

Not a risk here

DroughtAvalanchesTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Mount Holly flood?

Every paid claim on a federal flood insurance policy in Mount Holly, from FEMA’s records.

95paid claims since 1978
$2.1Mpaid to owners
15homes flooded more than once
19782026

Biggest named events

  • Hurricane Irene: 25 claims, $764K
  • April 2007 Nor'easter: 6 claims, $109K
  • Mid-spring storms: 4 claims, $111K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (2) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Mount Holly 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.
Disasters that hit Mount Holly

8 federal disasters brought FEMA money here

Disasters the President declared that paid out in Mount Holly itself: aid to households, or repair grants to the Township of Mount Holly.

Brought FEMA money into Mount HollyDeclared for Burlington County only
2016

Severe Winter Storm and Snowstorm

$25K to the Township of Mount Holly for repairs
2012

Hurricane Sandy

52 households applied for aid $24K aid approved $241K to the Township of Mount Holly for repairs
2011

Hurricane Irene

197 households applied for aid $246K aid approved $87K to the Township of Mount Holly for repairs
2010

Severe Winter Storm and Snowstorm

$17K to the Township of Mount Holly for repairs
2010

Severe Storms and Flooding

14 households applied for aid $13K aid approved
2009

Snowstorm

$15K to the Township of Mount Holly for repairs
2007

Severe Storms and Inland and Coastal Flooding

38 households applied for aid $41K aid approved $110K to the Township of Mount Holly for repairs
2004

Severe Storms and Flooding

21 households applied for aid $31K aid approved
Burlington County has had 24 natural disasters declared since 1953, most often hurricanes and severe storms.
Around Mount Holly

Mount Holly and the towns around it

Westampton: Low, mostly inland floodingEastampton: High, mostly inland floodingLumberton: Moderate, mostly inland floodingHainesport: Moderate, mostly inland floodingBurlington: High, mostly inland floodingWillingboro: High, mostly inland floodingMount Laurel: Moderate, mostly inland floodingSouthampton: Moderate, mostly inland floodingPemberton: Moderate, mostly inland floodingMedford: Moderate, mostly inland floodingMount Holly: High, mostly inland flooding Mount HollyWestamptonEastamptonLumbertonHainesport
Very lowLowModerateHighVery high
Mount Hollymostly inland floodingHigh
Eastamptonmostly inland floodingHigh
Hainesportmostly inland floodingModerate
Lumbertonmostly inland floodingModerate
Westamptonmostly inland floodingLow
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Mount Holly covers 3 census tracts, combined by population.
Money that reached townFlood claims are matched to Mount Holly’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Mount Holly. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Mount Holly total about $5.3M a year, counting buildings, people and crops.

Sources: FEMA National Risk Index (December 2025); 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. Census tracts: U.S. Census Bureau.

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