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–Not graded
Natural hazards in Twin Brooks · FEMA

Storms, floods and disasters in Twin Brooks

Twin Brooks isn’t graded for hazard risk: Twin Brooks has 29 residents; we grade towns of 1,000 or more.

Flood claims
0
paid since 1978 · $0
Disasters paid out here
1
of 19 declared for Grant County
By hazard

What Twin Brooks faces

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

River and rain flooding

76%of expected building damage
Above average · higher than 67% of U.S. census tracts
Recorded about once a year in the area

Tornadoes

13%of expected building damage
Well above average · in the top 10% of U.S. census tracts
Recorded about once every 3 years in the area
Smaller shares here
 Wildfire Strong wind Ice storms Hail Winter storms Earthquakes Lightning Cold waves Heat waves top 4% Landslides
FEMA models no building damage here
Coastal floodingHurricanesAvalanchesTsunamisVolcanic activity
People, not buildings.Counting harm to people as well as buildings, FEMA’s model puts cold waves at 36% of Twin Brooks’ expected losses. Cold waves do little damage to buildings (0.0%), so they aren’t part of the grade.

Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.

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 Twin Brooks flood? No paid flood claims on record

FEMA’s records show no paid flood insurance claims in Twin Brooks. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.

of homes in flood zones are insured
of all homes are insured
No community discount

Twin Brooks isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Grant County.
Disasters

1 federal disaster brought FEMA money to Twin Brooks

Disasters that paid out in Twin Brooks itself (aid to households or repair grants to the Town of Twin Brooks), newest first, with that year’s flood claims.

  1. 2019Severe Winter Storm, Snowstorm, and Flooding$6K to the Town of Twin Brooks for repairs
Disasters declared, by decade
Paid out in Twin BrooksGrant County only

Grant County has had 19 natural disasters declared by the President since 1953, most often floods, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Were you here?

Old photos of Twin Brooks after a storm or flood belong in the town’s history. Add one, or share what you remember below.

Add to the Twin Brooks archive →
Be ready

Get ready for what Twin Brooks faces

A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.

When the river rises
  • Turn around at flooded roads: a foot of moving water can carry off a car.
  • Flood insurance usually takes 30 days to start, so buy it before the forecast.
  • Keep papers and medicines up high, in a grab-and-go bag.
More from Ready.gov ↗
Tornado warnings
  • Pick your spot now: the lowest floor, an inside room, no windows.
  • A watch means be ready; a warning means take cover now.
  • Keep shoes and a flashlight by the bed.
More from Ready.gov ↗
Before you buy or rent
  • Look up the address on FEMA’s flood map.
  • Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
  • Get a flood insurance quote early: policies usually start 30 days after you buy.
When a storm is coming
Forecast and alertsWeather →911, the nearest ERSafety →

Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.

Questions about natural hazards in Twin Brooks

Is Twin Brooks in a flood zone?

Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Grant County, 3% of homes in mapped flood zones carry federal flood insurance, and 0.2% of all homes do.

How much is flood insurance in Twin Brooks?

FEMA’s Community Rating System list shows no discount for Twin Brooks’ flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.

What was the biggest storm in Twin Brooks?

By FEMA money that reached Twin Brooks, Severe Winter Storm, Snowstorm, and Flooding (2019): $6K to the Town of Twin Brooks for repairs.

Storm stories

Memories, warnings and help from neighbors in Twin Brooks.

Town Square →
Start the conversation

Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Twin Brooks’ residents lived in the 2020 census; 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. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.