Perham, MN Radon Levels

Q: What EPA Radon Zone is Perham in?

Perham is in Otter Tail County, EPA Zone 1.

Q: Why are radon readings shown from areas near Perham?

No homeowner radon tests have been submitted for Perham yet, so readings from the closest cities and the Otter Tail County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Perham?

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

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

Perham, MN Radon Facts

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

County Otter Tail County, MN

Zip Code 56573

Nestled in Otter Tail County within Minnesota's lake country, Perham experiences the high radon potential typical of EPA Zone 1. The area's glacial deposits over Precambrian bedrock create ideal conditions for radon gas migration into homes. With limited testing data available for zip code 56573, local homeowners should prioritize professional radon testing to ensure safe indoor air quality.

5.00

pCi/L area average

Above EPA Action Level

Otter Tail County average: 5.00 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Perham 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+

Perham, 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 Perham, MN

No homeowner tests have been submitted for Perham 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
Fergus Falls	33.1 mi	5.00 pCi/L	2
Nevis	41.6 mi	4.00 pCi/L	1

Otter Tail County Radon Profile

Otter Tail 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 Otter Tail County average 5.00 pCi/L across 2 tests — 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 Otter Tail County to test, as levels can differ between neighboring homes.

Radon FAQ for Perham, MN

What EPA Radon Zone is Perham in?

Perham and the 56573 zip code are in Otter Tail 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 Perham?

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

Radon mitigation in Perham 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 Perham?

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.