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Natural hazards · Mazomanie

Mazomanie, WI natural hazards

Most of the natural-hazard damage FEMA expects in Mazomanie comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 29 claims here since 1993. 7 federal disasters brought FEMA money into town.

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

How exposed is Mazomanie?

59
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Mazomanie to be higher than in 59% of U.S. communities, mostly from inland flooding.

Inland flooding71%Cold waves12%Tornadoes8%Everything else9%
By hazard

What Mazomanie faces

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

Inland flooding

71% of expected damage
Well above average · higher than 79% of U.S. places
Recorded about 2 times a year in the area

Cold waves

12% of expected damage
Above average · higher than 55% of U.S. places
Recorded about 6 times a year in the area

Tornadoes

8% of expected damage
Above average · higher than 72% of U.S. places
Recorded about once every 27 years 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 Mazomanie flood?

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

29paid claims since 1993
$1.8Mpaid to owners
0homes flooded more than once
19932026
of homes in flood zones
are insured
of all homes
are insured
🏷️ 10% off flood insurance. Mazomanie is in FEMA’s Community Rating System (class 8) for its flood-proofing work.
Insurance rates: Dane County.

What’s been done with FEMA grants

6flood-prone properties bought out and cleared
Disasters that hit Mazomanie

7 federal disasters brought FEMA money here

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

Brought FEMA money into MazomanieDeclared for Dane County only
2018

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

136 households applied for aid $1.3M aid approved $193K to the Village of Mazomanie for repairs
2011

Severe Winter Storm and Snowstorm

$5K to the Village of Mazomanie for repairs
2008

Severe Storms, Tornadoes, and Flooding

3 households applied for aid $891 aid approved $73K to the Village of Mazomanie for repairs
2008

Record Snow and Near Record Snow

$4K to the Village of Mazomanie for repairs
2007

Severe Storms and Flooding

1 household applied for aid $2K aid approved
2000

Snow

$2K to the Village of Mazomanie for repairs
2000

Severe Storms, Tornadoes, and Flooding

$9K to the Village of Mazomanie for repairs
Dane County has had 17 natural disasters declared since 1953, most often severe storms and winter storms.
Around Mazomanie

Mazomanie and the towns around it

Mazomanie: Moderate, mostly inland floodingPrairie du Sac: High, mostly inland floodingSauk City: High, mostly inland floodingArena: High, mostly inland floodingBlack Earth: Moderate, mostly inland floodingBerry: Low, mostly inland floodingRoxbury: Low, mostly inland floodingMazomanie: Moderate, mostly inland flooding MazomanieMazomanie
Very lowLowModerateHighVery high
Mazomaniemostly inland floodingModerate
Mazomaniemostly 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. Mazomanie 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 Mazomanie’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Village of Mazomanie. 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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