Natural hazards · Edgerton

Edgerton, WI natural hazards

Most of the natural-hazard damage FEMA expects in Edgerton comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 7 claims here since 1979. 6 federal disasters brought FEMA money into town.

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

How exposed is Edgerton?

78
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Edgerton to be higher than in 78% of U.S. communities, mostly from inland flooding.

Inland flooding67%Tornadoes12%Cold waves12%Everything else9%
By hazard

What Edgerton faces

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

Inland flooding

67% of expected damage
Well above average · higher than 91% of U.S. places
Recorded about 2 times a year in the area

Tornadoes

12% of expected damage
Well above average · higher than 89% of U.S. places

Cold waves

12% of expected damage
Below average · higher than 30% of U.S. places
Recorded about 5 times a year in the area

Lower here

HurricanesHailIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightningDrought

Not a risk here

Coastal floodingAvalanchesTsunamisVolcanic 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 Edgerton flood?

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

7paid claims since 1979
$25Kpaid to owners
0homes flooded more than once
19792026

Biggest named events

  • March 2019 Midwest Flooding: 1 claim, $7K
of homes in flood zones
are insured
of all homes
are insured
No community discount. Edgerton isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Rock County.

What’s been done with FEMA grants

3flood-prone properties bought out and cleared
Disasters that hit Edgerton

6 federal disasters brought FEMA money here

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

Brought FEMA money into EdgertonDeclared for Rock County only
2026

Severe Storms, Tornadoes, and Flooding

3 households applied for aid $2K aid approved
2008

Severe Storms, Tornadoes, and Flooding

225 households applied for aid $485K aid approved
2008

Record Snow and Near Record Snow

$15K to the City of Edgerton for repairs
2007

Severe Storms and Flooding

27 households applied for aid $31K aid approved
2004

Severe Storms and Flooding

7 households applied for aid $15K aid approved
2000

Snow

$3K to the City of Edgerton for repairs
Rock County has had 14 natural disasters declared since 1953, most often severe storms and floods.
Around Edgerton

Edgerton and the towns around it

Fulton: High, mostly inland floodingAlbion: Low, mostly inland floodingPorter: High, mostly inland floodingMilton: Moderate, mostly inland floodingJanesville: Low, mostly inland floodingChristiana: Very low, mostly inland floodingSumner: High, mostly inland floodingDunkirk: Very low, mostly inland floodingEdgerton: High, mostly inland flooding EdgertonFultonAlbion
Very lowLowModerateHighVery high
Edgertonmostly inland floodingHigh
Fultonmostly inland floodingHigh
Albionmostly 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. Edgerton covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Edgerton’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Edgerton. 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 Edgerton total about $3.5M 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