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Natural hazards · Mount Arlington

Mount Arlington, NJ natural hazards

Most of the natural-hazard damage FEMA expects in Mount Arlington comes from inland flooding, and overall the risk is very low for a U.S. community. Flood insurance has paid 2 claims here since 2000. 12 federal disasters brought FEMA money into town.

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

How exposed is Mount Arlington?

11
Very low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Mount Arlington to be higher than in 11% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding55%Cold waves16%Strong wind6%Tornadoes6%Heat waves5%Everything else12%
By hazard

What Mount Arlington faces

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

Inland flooding

55% of expected damage
Below average · higher than 28% of U.S. places
Recorded about 4 times a year in the area

Cold waves

16% of expected damage
Below average · higher than 29% of U.S. places
Recorded about once a year in the area

Strong wind

6% of expected damage
Above average · higher than 53% of U.S. places
Recorded about 6 times a year in the area

Tornadoes

6% of expected damage
Below average · higher than 42% of U.S. places

Heat waves

5% of expected damage
Well below average · higher than 5% of U.S. places
Recorded about 6 times a year in the area

Lower here

HurricanesHailIce stormsWinter weatherWildfireEarthquakesLandslidesLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic 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 Arlington flood?

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

2paid claims since 2000
$4Kpaid to owners
0homes flooded more than once
20002026
of all homes
are insured
No community discount. Mount Arlington isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Morris County.
Disasters that hit Mount Arlington

12 federal disasters brought FEMA money here

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

Brought FEMA money into Mount ArlingtonDeclared for Morris County only
2021

Remnants of Hurricane Ida

7 households applied for aid
2021

Severe Winter Storm and Snowstorm

$31K to the Borough of Mount Arlington for repairs
2018

Severe Winter Storm and Snowstorm

$27K to the Borough of Mount Arlington for repairs
2016

Severe Winter Storm and Snowstorm

$21K to the Borough of Mount Arlington for repairs
2012

Hurricane Sandy

68 households applied for aid $73K to the Borough of Mount Arlington for repairs
2011

Severe Storm

$11K to the Borough of Mount Arlington for repairs
2011

Hurricane Irene

11 households applied for aid $12K aid approved $12K to the Borough of Mount Arlington for repairs
2010

Severe Winter Storm and Snowstorm

$16K to the Borough of Mount Arlington for repairs
2010

Severe Storms and Flooding

2 households applied for aid $5K aid approved
2007

Severe Storms and Inland and Coastal Flooding

1 household applied for aid $307 aid approved
2000

Severe Storms, Flooding and Mudslides

$7K to the Borough of Mount Arlington for repairs
1999

Hurricane Floyd Major Disaster Declarations

$26K to the Borough of Mount Arlington for repairs
Morris County has had 26 natural disasters declared since 1953, most often severe storms and hurricanes.
Around Mount Arlington

Mount Arlington and the towns around it

Roxbury: Low, mostly inland floodingHopatcong: Low, mostly cold wavesJefferson: Low, mostly inland floodingRandolph: Low, mostly inland floodingMine Hill: Low, mostly inland floodingByram: Moderate, mostly inland floodingStanhope: Low, mostly cold wavesMount Olive: Low, mostly inland floodingNetcong: Very low, mostly inland floodingWharton: Low, mostly inland floodingChester: Moderate, mostly inland floodingWest Milford: High, mostly inland floodingRockaway: Low, mostly inland floodingSparta: Low, mostly inland floodingHardyston: Low, mostly inland floodingMount Arlington: Very low, mostly inland flooding Mount ArlingtonRoxburyHopatcongJefferson
Very lowLowModerateHighVery high
Jeffersonmostly inland floodingLow
Roxburymostly inland floodingLow
Hopatcongmostly cold wavesLow
Mount Arlingtonmostly inland floodingVery low
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 Arlington covers 2 census tracts, combined by population.
Money that reached townFlood claims are matched to Mount Arlington’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Borough of Mount Arlington. 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 Arlington total about $1.1M 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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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01
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