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Saint Ignace, MI Radon Levels

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


Saint Ignace, MI Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Mackinac County, MI
Zip Code 49781
Avg. User Level 2.00 pCi/L
User Tests 1

Perched at Michigan's northern tip in Mackinac County, Saint Ignace recorded an average radon level of 2.0 pCi/L based on limited testing data. This reading falls within the EPA's recommended range but represents just one measurement across the 49781 zip code area. The community's unique location between Lake Huron and Lake Michigan, combined with varied foundation types in this historic tourist area, means individual homes may experience significantly different radon levels.

2.00
pCi/L average
Below EPA Action Level

Based on 1 user-submitted radon test for homes in Saint Ignace, MI. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Saint Ignace, MI Radon Mitigation

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Saint Ignace, MI Radon Levels

User-submitted radon test readings from homes in the Saint Ignace area.

Radon LevelCityHome AgeFoundation
2 pCi/L Saint Ignace, MI 21-50 Years No Basement/All Crawl Space

Have a radon test result for Saint Ignace? Submit your reading to help other homeowners.

Radon Readings Near Saint Ignace, MI

Compare radon levels in Saint Ignace with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Sault Sainte Marie 34.9 mi 4.00 pCi/L 1
Petoskey 45.6 mi 8.00 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 Saint Ignace, MI

What is the average radon level in Saint Ignace, MI?
Based on 1 user-submitted test, the average radon level in Saint Ignace is 2.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.
What EPA Radon Zone is Saint Ignace in?
Saint Ignace and the 49781 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.
How much does radon mitigation cost in Saint Ignace?
Radon mitigation in Saint Ignace 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 Saint Ignace?
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.