Cologne, MN Radon Levels

Q: What EPA Radon Zone is Cologne in?

Cologne is in Carver County, EPA Zone 1.

Q: How much does radon mitigation cost in Cologne?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Cologne radon levels and find certified testing and mitigation professionals to keep your home safe

Cologne, MN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Carver County, MN

Zip Code 55322

Located in Carver County within the Minneapolis-St. Paul Metro area, Cologne sits atop glacial deposits that frequently correlate with elevated radon potential across Minnesota. While specific testing data for zip code 55322 is currently unavailable, the region's geological conditions strongly warrant professional radon measurement. The area's combination of glacial till soils and basement-heavy housing stock creates ideal conditions for radon accumulation in residential properties.

5.50

pCi/L area average

Above EPA Action Level

Carver County average: 5.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Cologne itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Cologne, MN Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon Readings Near Cologne, MN

No homeowner tests have been submitted for Cologne yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Victoria	9.5 mi	4.00 pCi/L	1
Chaska	9.7 mi	7.00 pCi/L	1
Shakopee	13.7 mi	6.50 pCi/L	2
Mound	13.9 mi	6.00 pCi/L	1
Excelsior	14.3 mi	13.00 pCi/L	1
Eden Prairie	18.1 mi	6.00 pCi/L	1
Minnetonka	18.5 mi	5.00 pCi/L	1
Delano	18.6 mi	5.00 pCi/L	1

Carver County Radon Profile

The bedrock and soils beneath Carver County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 2 cities in Carver County average 5.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Carver County.

Radon FAQ for Cologne, MN

What EPA Radon Zone is Cologne in?

Cologne and the 55322 zip code are in Carver County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Cologne?

No homeowner radon tests have been submitted for Cologne yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Carver County average—are the best available indicator of local conditions until Cologne homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Cologne?

Radon mitigation in Cologne typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Cologne?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.