Mahnomen, MN Radon Levels

Q: What EPA Radon Zone is Mahnomen in?

Mahnomen is in Mahnomen County, EPA Zone 1.

Q: How much does radon mitigation cost in Mahnomen?

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

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

Mahnomen, MN Radon Facts

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

County Mahnomen County, MN

Zip Code 56557

Located in Mahnomen County in northwestern Minnesota, this small community sits in an area where glacial lake sediments and underlying Precambrian bedrock can influence radon levels. Testing data for the 56557 area remains limited, making individual home testing essential for residents. Homeowners should consider professional radon testing to establish baseline levels for their properties.

7.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for Mahnomen yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Mahnomen, 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 Mahnomen, MN

No homeowner tests have been submitted for Mahnomen 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
Crookston	45.0 mi	7.00 pCi/L	1

Mahnomen County Radon Profile

The bedrock and soils beneath Mahnomen County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. User-submitted readings are still sparse within Mahnomen County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. 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 Mahnomen County.

Radon FAQ for Mahnomen, MN

What EPA Radon Zone is Mahnomen in?

Mahnomen and the 56557 zip code are in Mahnomen 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 Mahnomen?

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

Radon mitigation in Mahnomen 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 Mahnomen?

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.