Lewiston, MI Radon Levels

Q: What EPA Radon Zone is Lewiston in?

Lewiston is in Oscoda County, EPA Zone 3.

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

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

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

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

Lewiston, MI Radon Facts

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

County Oscoda County, MI

Zip Code 49756

Located in Oscoda County in northern Michigan, Lewiston sits in a region where glacial deposits and underlying bedrock create moderate radon potential. Current testing data for zip code 49756 is sparse, making individual home radon testing advisable for residents. Michigan's varied geology and the prevalence of basement foundations in rural communities like Lewiston mean that radon accumulation can occur even in areas not typically associated with high radon levels.

7.44

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.44 pCi/L, based on 9 tests from 4 nearby cities. No readings have been submitted for Lewiston 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+

Lewiston, 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 Lewiston, MI

No homeowner tests have been submitted for Lewiston 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
Gaylord	21.4 mi	5.80 pCi/L	5
Boyne City	42.8 mi	12.50 pCi/L	2
Petoskey	45.9 mi	8.00 pCi/L	1
Central Lake	49.8 mi	5.00 pCi/L	1

Oscoda County Radon Profile

Local geology places Oscoda County in EPA Radon Zone 3, where predicted indoor radon averages fall below 2 pCi/L — though no county is risk-free. Few homeowner tests have been logged inside Oscoda County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Oscoda County to test, as levels can differ between neighboring homes.

Radon FAQ for Lewiston, MI

What EPA Radon Zone is Lewiston in?

Lewiston and the 49756 zip code are in Oscoda 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 Lewiston?

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

Radon mitigation in Lewiston 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 Lewiston?

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.