Ottertail, MN Radon Levels

Q: What EPA Radon Zone is Ottertail in?

Ottertail is in Otter Tail County, EPA Zone 1.

Q: How much does radon mitigation cost in Ottertail?

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

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

Ottertail, MN Radon Facts

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

County Otter Tail County, MN

Zip Code 56571

This Otter Tail County community in central Minnesota currently has limited radon testing data for the 56571 area. Minnesota's glacial geology and uranium-bearing bedrock formations contribute to significant radon potential across the state. Lake country homes often feature walkout basements and varying foundation types that can influence radon entry patterns.

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 Ottertail 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+

Ottertail, 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 Ottertail, MN

No homeowner tests have been submitted for Ottertail 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	27.9 mi	5.00 pCi/L	2
Motley	47.6 mi	7.00 pCi/L	1
Nevis	48.5 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 Ottertail, MN

What EPA Radon Zone is Ottertail in?

Ottertail and the 56571 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 Ottertail?

No homeowner radon tests have been submitted for Ottertail 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 Ottertail 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 Ottertail?

Radon mitigation in Ottertail 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 Ottertail?

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.