Clarkfield, MN Radon Levels

Q: What EPA Radon Zone is Clarkfield in?

Clarkfield is in Yellow Medicine County, EPA Zone 1.

Q: How much does radon mitigation cost in Clarkfield?

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

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

Clarkfield, MN Radon Facts

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

County Yellow Medicine County, MN

Zip Code 56223

Western Minnesota's Yellow Medicine County community sits on glacial drift deposits that contribute to the state's EPA Zone 1 radon classification. Testing data for zip code 56223 isn't currently available, though Minnesota's prairie geology and limestone bedrock create conditions favorable for radon accumulation in residential basements. Agricultural area residents should prioritize home testing, especially given the region's typical full-basement construction designed for Minnesota's harsh winters.

14.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 14.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for Clarkfield 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+

Clarkfield, 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 Clarkfield, MN

No homeowner tests have been submitted for Clarkfield 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
Willmar	45.6 mi	14.00 pCi/L	1

Yellow Medicine County Radon Profile

Because of its underlying geology, Yellow Medicine County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for Yellow Medicine County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Yellow Medicine County home regardless of zone or a neighbor's results.

Radon FAQ for Clarkfield, MN

What EPA Radon Zone is Clarkfield in?

Clarkfield and the 56223 zip code are in Yellow Medicine 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 Clarkfield?

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

Radon mitigation in Clarkfield 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 Clarkfield?

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.