For strong wind, Dahlgren Township’s building-damage rate is in the top 2% of U.S. census tracts
On FEMA’s National Risk Index, Dahlgren Township gets a B for hazard risk: lower expected damage per building than 63% of U.S. towns. Most of that expected damage is river and rain flooding (65%), then tornadoes (13%). Flood insurance has paid 15 claims here since 1979.
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 Dahlgren 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 Dahlgren Township’s grade
River and rain flooding is 65% of the building damage FEMA expects in Dahlgren Township, and Dahlgren Township’s rate of river and rain flooding damage is lower than 59% of U.S. census tracts. Strong wind adds 12%, at a rate in the top 2% of U.S. census tracts.
B lower expected damage per building than 63% of U.S. towns (21,298).
All of Dahlgren Township’s residents live in one census tract; the figures are that tract’s.
In dollars, FEMA expects about $332K a year in losses across Dahlgren Township: $221K to buildings, the rest to people and crops.
Does Dahlgren Township flood? Sometimes: 15 flood claims since 1979
Every paid claim on a federal flood insurance policy in Dahlgren Township, from FEMA’s records: 33.5 per 1,000 homes, more than 89% of the 13,809 U.S. towns with a flood insurance record.
- The Midwest Flooding5 claims · $5K
- The June Midwest Flooding1 claim · $5K
Dahlgren 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: Carver County.2 federal disasters brought FEMA money to Dahlgren Township
Disasters that paid out in Dahlgren Township itself (aid to households or repair grants to Dahlgren Township), newest first, with that year’s flood claims.
- 2014Severe Storms, Straight-line Winds, Flooding, Landslides, and Mudslides$33K to Dahlgren Township for repairs
- 2001Severe Winter Storms, Flooding, and Tornadoes$5K to Dahlgren Township for repairs
Carver County has had 13 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 Dahlgren Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Dahlgren Township archive →Dahlgren Township and its neighbors
Dahlgren Township is 4th of the 4 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 |
|---|---|---|---|
| Chaska | A−less damage than 78% | river and rain flooding | 7 |
| Laketown Township | A−less damage than 77% | river and rain flooding | 1 |
| Carver | Bless damage than 63% | river and rain flooding | 16 |
| Dahlgren Township | Bless damage than 63% | river and rain flooding | 15 |
| Benton Township | — | 713 residents; we grade 1,000+ | |
| San Francisco Township | — | 833 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.
Get ready for what Dahlgren 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 Dahlgren Township
Is Dahlgren Township at risk for natural disasters?
On FEMA’s National Risk Index, Dahlgren Township has lower expected damage per building than 63% of U.S. towns: B for hazard risk. Most of the expected damage is river and rain flooding (65%) and tornadoes (13%). The figures are for the one census tract the town shares with its neighbors. This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Dahlgren Township flood?
Flood insurance has paid 15 claims in Dahlgren Township since 1979, $73K in all, or 33.5 per 1,000 homes, more than 89% of U.S. towns with a flood insurance record. The most claims came from Midwest Flooding (5).
Is Dahlgren 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 Carver County, 21% of homes in mapped flood zones carry federal flood insurance, and 0.2% of all homes do.
How much is flood insurance in Dahlgren Township?
FEMA’s Community Rating System list shows no discount for Dahlgren 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 Dahlgren Township?
By FEMA money that reached Dahlgren Township, Severe Storms, Straight-line Winds, Flooding, Landslides, and Mudslides (2014): $33K to Dahlgren Township for repairs. By flood claims, Midwest Flooding: 5 paid, $5K.
Is Dahlgren Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (65%), and Dahlgren Township’s rate for it is lower than 59% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Dahlgren Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Dahlgren 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.