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Natural hazards · Spring Green

Spring Green, WI natural hazards

Most of the natural-hazard damage FEMA expects in Spring Green comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 11 claims here since 1993. 3 federal disasters brought FEMA money into town.

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

How exposed is Spring Green?

48
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Spring Green to be higher than in 48% of U.S. communities, mostly from inland flooding.

Inland flooding61%Cold waves14%Tornadoes10%Hail8%Everything else6%
By hazard

What Spring Green faces

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

Inland flooding

61% of expected damage
Above average · higher than 66% of U.S. places
Recorded about 2 times a year in the area

Cold waves

14% of expected damage
Below average · higher than 35% of U.S. places
Recorded about 6 times a year in the area

Tornadoes

10% of expected damage
Above average · higher than 72% of U.S. places
Recorded about once every 16 years in the area

Hail

8% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about 4 times a year in the area

Lower here

HurricanesIce 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 Spring Green flood?

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

11paid claims since 1993
$186Kpaid to owners
0homes flooded more than once
19932026

Biggest named events

  • Storm: 1 claim, $12K
  • 2026-04-Flooding: 1 claim, $8K
of homes in flood zones
are insured
of all homes
are insured
No community discount. Spring Green isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Sauk County.
Disasters that hit Spring Green

3 federal disasters brought FEMA money here

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

Brought FEMA money into Spring GreenDeclared for Sauk County only
2008

Severe Storms, Tornadoes, and Flooding

$217K to the Town of Spring Green for repairs
2007

Severe Storms and Flooding

$3K to the Town of Spring Green for repairs
2000

Severe Storms, Tornadoes, and Flooding

$2K to the Town of Spring Green for repairs
Sauk County has had 13 natural disasters declared since 1953, most often severe storms and floods.
Around Spring Green

Spring Green and the towns around it

Wyoming: High, mostly inland floodingArena: High, mostly inland floodingClyde: High, mostly inland floodingFranklin: High, mostly inland floodingBuena Vista: High, mostly inland floodingLone Rock: High, mostly inland floodingBear Creek: High, mostly inland floodingTroy: Moderate, mostly inland floodingDodgeville: Very low, mostly inland floodingBrigham: Low, mostly inland floodingRidgeway: Low, mostly inland floodingMazomanie: Moderate, mostly inland floodingVermont: Low, mostly inland floodingPulaski: High, mostly inland floodingHighland: High, mostly inland floodingHoney Creek: Moderate, mostly inland floodingWestfield: High, mostly inland floodingOrion: High, mostly inland floodingIthaca: High, mostly inland floodingWashington: High, mostly inland floodingPrairie du Sac: High, mostly inland floodingSpring Green: Moderate, mostly inland flooding Spring GreenWyomingArenaClydeFranklinBuena VistaLone RockBear CreekTroy
Very lowLowModerateHighVery high
Wyomingmostly inland floodingHigh
Arenamostly inland floodingHigh
Franklinmostly inland floodingHigh
Buena Vistamostly inland floodingHigh
Lone Rockmostly inland floodingHigh
Bear Creekmostly inland floodingHigh
Clydemostly inland floodingHigh
Spring Greenmostly inland floodingModerate
Troymostly inland floodingModerate
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. Spring Green covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Spring Green’s own flood-insurance community (here, the census tracts inside it); household aid to the registrant’s city; repair grants to the Town of Spring Green. 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 Spring Green total about $2.5M 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.

The door’s open

Where to, neighbor?

You’re in Spring Green, WISauk CountyView boundary

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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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