Oak Park, MN Radon Levels

Q: What EPA Radon Zone is Oak Park in?

Oak Park is in Benton County, EPA Zone 2.

Q: How much does radon mitigation cost in Oak Park?

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

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

Oak Park, MN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Benton County, MN

Zip Code 56357

Located in Benton County within both the Minneapolis-St. Paul and St. Cloud metro areas, Oak Park sits in EPA Zone 2 where glacial till deposits create moderate radon potential. Testing data remains limited for the 56357 zip code area, making individual home testing important for residents to understand their property's specific radon levels.

7.45

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.45 pCi/L, based on 11 tests from 10 nearby cities. No readings have been submitted for Oak Park 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+

Oak Park, 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 Oak Park, MN

No homeowner tests have been submitted for Oak Park 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
Milaca	9.8 mi	4.00 pCi/L	1
Big Lake	24.6 mi	7.00 pCi/L	1
Monticello	28.1 mi	10.00 pCi/L	1
Mora	28.5 mi	6.00 pCi/L	2
Holdingford	31.0 mi	5.00 pCi/L	1
Cold Spring	34.7 mi	4.00 pCi/L	1
Anoka	34.8 mi	5.00 pCi/L	1
Buffalo	36.1 mi	11.00 pCi/L	1

Benton County Radon Profile

EPA mapping assigns Benton County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Benton 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 Benton County home regardless of zone or a neighbor's results.

Radon FAQ for Oak Park, MN

What EPA Radon Zone is Oak Park in?

Oak Park and the 56357 zip code are in Benton County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Oak Park?

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

Radon mitigation in Oak Park 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 Oak Park?

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.