Owatonna, MN Radon Levels

Q: What EPA Radon Zone is Owatonna in?

Owatonna is in Steele County, EPA Zone 1.

Q: How much does radon mitigation cost in Owatonna?

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

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

Owatonna, MN Radon Facts

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

County Steele County, MN

Zip Code 55060

Situated in Steele County in south-central Minnesota, Owatonna occupies EPA Zone 1 territory where high radon potential is common due to the region's glacial deposits and underlying bedrock conditions. The area's agricultural setting and mix of older and newer housing stock create varied conditions for radon entry and accumulation. Limited testing data for zip code 55060 makes individual home testing particularly important for local residents.

4.00

pCi/L area average

Above EPA Action Level

Steele County average: 4.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Owatonna 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+

Owatonna, 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 Owatonna, MN

No homeowner tests have been submitted for Owatonna 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
Blooming Prairie	14.9 mi	4.00 pCi/L	1
Faribault	15.1 mi	10.00 pCi/L	2
Northfield	26.3 mi	4.50 pCi/L	2
Montgomery	30.4 mi	5.00 pCi/L	1
Albert Lea	30.4 mi	7.00 pCi/L	1
Elko New Market	33.9 mi	3.00 pCi/L	1
Wells	34.6 mi	6.00 pCi/L	1
New Prague	36.4 mi	9.00 pCi/L	2

Steele County Radon Profile

Steele County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 1 city in Steele County average 4.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Steele County to test, as levels can differ between neighboring homes.

Radon FAQ for Owatonna, MN

What EPA Radon Zone is Owatonna in?

Owatonna and the 55060 zip code are in Steele 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 Owatonna?

No homeowner radon tests have been submitted for Owatonna yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Steele County average—are the best available indicator of local conditions until Owatonna 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 Owatonna?

Radon mitigation in Owatonna 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 Owatonna?

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.