St. Mark's Episcopal Chapel · Photo: Bobak Ha'Eri · CC BY 3.0FEMA expects more hazard damage per building in Corinna Township than in 70% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Corinna Township gets a C for hazard risk: higher expected damage per building than 70% of U.S. towns, #229 of 274 in Minnesota. Most of that expected damage is river and rain flooding (79%). 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
What Corinna 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
Tornadoes
Strong wind
Hail
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.
What’s behind Corinna Township’s grade
River and rain flooding is 79% of the building damage FEMA expects in Corinna Township, and Corinna Township’s rate of river and rain flooding damage is higher than 78% of U.S. census tracts. Strong wind adds 7%, at a rate in the top 3% of U.S. census tracts.
C #229 of 274 in Minnesota; higher expected damage per building than 70% of U.S. towns (21,298).
Corinna Township’s residents live in 2 census tracts; FEMA’s figures are combined by where they live.
The typical Minnesota town has lower expected damage than 57% of U.S. towns; within the state, Corinna Township has more expected damage per building than 84% of Minnesota towns.
In dollars, FEMA expects about $1.6M a year in losses across Corinna Township: $1.4M to buildings, the rest to people and crops.
Does Corinna Township flood? No paid flood claims on record
FEMA’s records show no paid flood insurance claims in Corinna Township. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.
Corinna 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: Wright County.1 federal disaster brought FEMA money to Corinna Township
Disasters that paid out in Corinna Township itself (aid to households or repair grants to Corinna Township), newest first, with that year’s flood claims.
- 2002Severe Storms, Flooding and Tornadoes$27K to Corinna Township for repairs
Wright County has had 14 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.
Old photos of Corinna Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Corinna Township archive →Corinna Township and its neighbors
Corinna Township is 7th of the 7 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.
| Town | Hazard risk | Mostly (buildings) | Flood claims |
|---|---|---|---|
| Maple Lake | B+less damage than 70% | river and rain flooding | — |
| Southside Township | C+more damage than 63% | river and rain flooding | — |
| Albion Township | C+more damage than 63% | river and rain flooding | — |
| Annandale | Cmore damage than 68% | river and rain flooding | — |
| Clearwater Township | Cmore damage than 69% | river and rain flooding | — |
| Silver Creek Township | Cmore damage than 69% | river and rain flooding | 3 |
| Corinna Township | Cmore damage than 70% | river and rain flooding | 0 |
| Maple Lake Township | — | not graded yet | |
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.
Get ready for what Corinna 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.
- 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.
- 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.
- Trim dead limbs over the house and driveway.
- Tie down trash cans and outdoor furniture.
- Stay clear of downed lines and call the utility.
- 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.
- 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.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Corinna Township
Is Corinna Township at risk for natural disasters?
On FEMA’s National Risk Index, Corinna Township has higher expected damage per building than 70% of U.S. towns: C for hazard risk, #229 of 274 in Minnesota. Most of the expected damage is river and rain flooding (79%) and tornadoes (8%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Is Corinna 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 Wright County, 0.2% of all homes carry federal flood insurance.
How much is flood insurance in Corinna Township?
FEMA’s Community Rating System list shows no discount for Corinna Township’s 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 Corinna Township?
By FEMA money that reached Corinna Township, Severe Storms, Flooding and Tornadoes (2002): $27K to Corinna Township for repairs.
Is Corinna Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (79%), and Corinna Township’s rate for it is higher than 78% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Corinna Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Corinna 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.