Onekama, MI Radon Levels

Q: What EPA Radon Zone is Onekama in?

Onekama is in Manistee County, EPA Zone 3.

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

No homeowner radon tests have been submitted for Onekama yet, so readings from the closest cities and the Manistee 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 Onekama?

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

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

Onekama, MI Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Manistee County, MI

Zip Code 49675

This Lake Michigan coastal community in Manistee County sits where sandy glacial deposits meet the underlying sedimentary bedrock, creating moderate radon potential despite its lakefront location. Local housing includes both seasonal cottages and year-round residences, many with basements or crawl spaces that can concentrate naturally occurring radon gas. Since comprehensive testing data for zip code 49675 remains limited, residents should test their homes to understand their individual radon exposure levels.

4.67

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 4.67 pCi/L, based on 6 tests from 4 nearby cities. No readings have been submitted for Onekama 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+

Onekama, MI 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 Onekama, MI

No homeowner tests have been submitted for Onekama 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
Kingsley	36.7 mi	5.00 pCi/L	1
Maple City	37.8 mi	2.00 pCi/L	1
Cadillac	39.4 mi	6.00 pCi/L	1
Traverse City	40.8 mi	5.00 pCi/L	3

Manistee County Radon Profile

The EPA maps Manistee County as Radon Zone 3, the lowest predicted classification, with modeled indoor screening levels under 2 pCi/L. Direct test data for Manistee 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 Manistee County home regardless of zone or a neighbor's results.

Radon FAQ for Onekama, MI

What EPA Radon Zone is Onekama in?

Onekama and the 49675 zip code are in Manistee County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

Why are radon readings shown from areas near Onekama?

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

Radon mitigation in Onekama 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 Onekama?

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.