Curtis, MI Radon Levels

Q: What EPA Radon Zone is Curtis in?

Curtis is in Mackinac County, EPA Zone 3.

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

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

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

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

Curtis, MI Radon Facts

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

County Mackinac County, MI

Zip Code 49820

Situated in Mackinac County in Michigan's Upper Peninsula, Curtis lies in a region where Precambrian bedrock and glacial deposits create diverse geological conditions. Limited testing data exists for this 49820 community, emphasizing the importance of individual home radon testing. The area's geology suggests that radon levels can vary significantly between properties.

2.00

pCi/L area average

Below EPA Action Level

Mackinac County average: 2.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Curtis itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Curtis, 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 Curtis, MI

No homeowner tests have been submitted for Curtis 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
Saint Ignace	54.1 mi	2.00 pCi/L	1

Mackinac County Radon Profile

Local geology places Mackinac County in EPA Radon Zone 3, where predicted indoor radon averages fall below 2 pCi/L — though no county is risk-free. Homeowner-submitted tests from 1 city in Mackinac County average 2.00 pCi/L across 1 test — below the EPA's 4 pCi/L action level, though radon varies sharply from home to home. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Mackinac County to test, as levels can differ between neighboring homes.

Radon FAQ for Curtis, MI

What EPA Radon Zone is Curtis in?

Curtis and the 49820 zip code are in Mackinac 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 Curtis?

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

Radon mitigation in Curtis 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 Curtis?

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.