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US 136 entering ColchesterPhoto: Adam Moss · CC BY-SA 2.0
BHazard risk
Natural hazards in Colchester Township · FEMA

FEMA puts Colchester Township’s expected hazard damage per building below that of 64% of U.S. towns, mostly from river and rain flooding

On FEMA’s National Risk Index, Colchester Township gets a B for hazard risk: lower expected damage per building than 64% of U.S. towns. Most of that expected damage is river and rain flooding (68%), then hail (12%). FEMA’s files show no paid flood insurance claims here.

Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded

less than 64%of U.S. townsLess damageMoreExpected yearly damage per dollar of building, vs. the 21,298 U.S. towns we grade
By hazard

What Colchester Township 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

68%of expected building damage
About average · lower than 58% of U.S. census tracts
Recorded about 2 times a year in the area

Hail

12%of expected building damage
Well above average · in the top 8% of U.S. census tracts
Recorded about 4 times a year in the area

Tornadoes

9%of expected building damage
Above average · higher than 69% of U.S. census tracts
Recorded about once every 11 years in the area

Strong wind

6%of expected building damage
Well above average · in the top 7% of U.S. census tracts
Recorded about 5 times a year in the area
Smaller shares here
 Earthquakes Ice storms Lightning Winter storms Hurricanes Wildfire Cold waves Heat waves Landslides
FEMA models no building damage here
Coastal floodingAvalanchesTsunamisVolcanic activity
People, not buildings.Counting harm to people as well as buildings, FEMA’s model puts cold waves at 25% of Colchester Township’s 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.
Hazard risk grade

What’s behind Colchester Township’s grade

River and rain flooding is 68% of the building damage FEMA expects in Colchester Township, and Colchester Township’s rate of river and rain flooding damage is lower than 58% of U.S. census tracts. Hail adds 12%, at a rate in the top 8% of U.S. census tracts.

Where Colchester Township sits
Colchester Township
Least damageMiddleMost damage

B lower expected damage per building than 64% of U.S. towns (21,298).

Colchester Township’s residents live in 2 census tracts; FEMA’s figures are combined by where they live.

What drives the damage to buildings
River and rain flooding68%Hail12%Tornadoes9%Everything else11%

In dollars, FEMA expects about $565K a year in losses across Colchester Township: $151K to buildings, the rest to people and crops.

A small-area figure. Colchester Township covers 2 census tracts, combined by where residents live. FEMA’s model is an average year for today’s buildings, not a record: the claims and disasters below are the record.

How TownRatings grades hazard risk →

Flood insurance claims

Does Colchester Township flood? No paid flood claims on record

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

of all homes are insured
No community discount

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

Insurance rates: McDonough County.
Disasters

The storms Colchester Township remembers

None of the 8 disasters declared for McDonough County shows FEMA aid or repair money reaching Colchester Township itself in FEMA’s records, so these are its biggest flood-claim years.

Disasters declared, by decade
Paid out in Colchester TownshipMcDonough County only

McDonough County has had 8 natural disasters declared by the President since 1953, most often winter storms, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Next door

Colchester Township and its neighbors

Colchester Township has the lowest expected damage per building of the 1 graded towns here. Tap a town to see its hazards.

Chalmers Township: not gradedTennessee Township: not gradedEmmet Township: not gradedHire Township: not gradedChalmers TownshipTennessee TownshipEmmet TownshipHire TownshipColchester Township
Lowest fifthSecondMiddleFourthHighest fifth
TownHazard riskMostly (buildings)Flood claims
Colchester TownshipBless damage than 64%river and rain flooding0
Chalmers Township—532 residents; we grade 1,000+
Tennessee Township—381 residents; we grade 1,000+
Emmet Township—not graded yet
Hire Township—110 residents; we grade 1,000+

Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.

Be ready

Get ready for what Colchester Township 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 ↗
Hail
  • Park in a garage or under cover when storms are forecast.
  • Stay away from windows while it falls.
  • Photograph roof and car damage for your insurer.
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 ↗
High winds
  • Trim dead limbs over the house and driveway.
  • Tie down trash cans and outdoor furniture.
  • Stay clear of downed lines and call the utility.
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 Colchester Township

Is Colchester Township at risk for natural disasters?

On FEMA’s National Risk Index, Colchester Township has lower expected damage per building than 64% of U.S. towns: B for hazard risk. Most of the expected damage is river and rain flooding (68%) and hail (12%). This is FEMA’s model of an average year for today’s buildings, not a forecast.

Is Colchester Township 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 McDonough County, 0.1% of all homes carry federal flood insurance.

How much is flood insurance in Colchester Township?

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

Is Colchester Township at risk from river and rain flooding?

It is the largest share of the building damage FEMA expects here (68%), and Colchester Township’s rate for it is lower than 58% of U.S. census tracts.

Storm stories

Memories, warnings and help from neighbors in Colchester Township.

Town Square →
Start the conversation

Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Colchester Township’s 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.