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Natural hazards · Bonilla

Bonilla, SD natural hazards

Most of the natural-hazard damage FEMA expects in Bonilla comes from inland flooding, and overall the risk is moderate for a U.S. community. 4 federal disasters brought FEMA money into town.

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

How exposed is Bonilla?

41
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Bonilla to be higher than in 41% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding35%Cold waves22%Drought13%Tornadoes10%Hail10%Everything else10%
By hazard

What Bonilla faces

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

Inland flooding

35% of expected damage
Below average · higher than 47% of U.S. places
Recorded about 3 times a year in the area

Cold waves

22% of expected damage
Above average · higher than 67% of U.S. places
Recorded about 10 times a year in the area

Drought

13% of expected damage
Recorded about 6 times a year in the area

Tornadoes

10% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about once every 3 years in the area

Hail

10% of expected damage
Well above average · higher than 79% of U.S. places
Recorded about 4 times a year in the area

Lower here

Ice stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingHurricanesAvalanchesTsunamisVolcanic 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 Bonilla flood?

FEMA's records show no paid flood insurance claims in Bonilla.

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

4 federal disasters brought FEMA money here

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

Brought FEMA money into BonillaDeclared for Beadle County only
2019

Severe Winter Storm, Snowstorm, and Flooding

$48K to the Township of Bonilla for repairs
2011

Flooding

$30K to the Township of Bonilla for repairs
2010

Flooding

$36K to the Township of Bonilla for repairs
2007

Severe Storms, Tornadoes, and Flooding

$35K to the Township of Bonilla for repairs
Beadle County has had 18 natural disasters declared since 1953, most often severe storms and floods.
Around Bonilla

Bonilla and the towns around it

Nance: Moderate, mostly inland floodingAltoona: Moderate, mostly inland floodingGarfield: Low, mostly inland floodingGilbert: High, mostly cold wavesBuffalo: Low, mostly inland floodingHitchcock: Moderate, mostly inland floodingPleasant View: Moderate, mostly inland floodingBelmont: Low, mostly inland floodingCornwall: Low, mostly inland floodingTulare: Low, mostly inland floodingBonilla: Moderate, mostly inland flooding BonillaNanceAltoonaGarfield
Very lowLowModerateHighVery high
Bonillamostly inland floodingModerate
Nancemostly inland floodingModerate
Altoonamostly inland floodingModerate
Garfieldmostly 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. Bonilla 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 Bonilla’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Bonilla. 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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