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Natural hazards · Leyden

Leyden, NY natural hazards

Most of the natural-hazard damage FEMA expects in Leyden comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 6 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 Leyden?

33
Low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Leyden to be higher than in 33% of U.S. communities, mostly from inland flooding.

Inland flooding78%Everything else22%
By hazard

What Leyden faces

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

Inland flooding

78% of expected damage
Above average · higher than 59% of U.S. places
Recorded about once a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireEarthquakesLandslidesStrong windLightning

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 Leyden flood?

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

6paid claims since 1978
$36Kpaid to owners
1homes flooded more than once
19782026

Biggest named events

  • Tropical Storm Fred: 1 claim, $19K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

of all homes
are insured
No community discount. Leyden isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Lewis County.
Disasters that hit Leyden

8 federal disasters brought FEMA money here

Disasters the President declared that paid out in Leyden itself: aid to households, or repair grants to the Town of Leyden.

Brought FEMA money into LeydenDeclared for Lewis County only
2021

Remnants of Tropical Storm Fred

$229K to the Town of Leyden for repairs
2019

Severe Storms, Straight-Line Winds, and Flooding

$67K to the Town of Leyden for repairs
2014

Severe Storms and Flooding

$24K to the Town of Leyden for repairs
2011

Severe Storms, Flooding, Tornadoes, and Straight-Line Winds

$3K to the Town of Leyden for repairs
2007

Record Snow and Near Record Snow

$7K to the Town of Leyden for repairs
2004

Snow

$5K to the Town of Leyden for repairs
2000

Severe Storms and Flooding

$4K to the Town of Leyden for repairs
1999

Snow

$3K to the Town of Leyden for repairs
Lewis County has had 23 natural disasters declared since 1953, most often winter storms and severe storms.
Around Leyden

Leyden and the towns around it

Lyonsdale: Moderate, mostly inland floodingWest Turin: Low, mostly inland floodingLewis: Low, mostly inland floodingBoonville: Very low, mostly inland floodingGreig: Moderate, mostly inland floodingLyons Falls: Low, mostly inland floodingTurin: Low, mostly inland floodingForestport: Moderate, mostly inland floodingOsceola: Low, mostly inland floodingMartinsburg: Low, mostly inland floodingTurin: Low, mostly inland floodingAva: Low, mostly inland floodingAnnsville: High, mostly inland floodingFlorence: High, mostly inland floodingSteuben: Low, mostly inland floodingRemsen: Low, mostly inland floodingWestern: Low, mostly inland floodingLeyden: Low, mostly inland flooding LeydenLyonsdaleWest TurinLewisBoonville
Very lowLowModerateHighVery high
Lyonsdalemostly inland floodingModerate
Leydenmostly inland floodingLow
West Turinmostly inland floodingLow
Lewismostly inland floodingLow
Boonvillemostly 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. Leyden is smaller than a census tract, so it shares the figures of the tract around its center.
Money that reached townFlood claims are matched to Leyden’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Leyden. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

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/15 · 2025-01-01
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