Gwinn, MI Radon Levels
Check local Gwinn radon levels and find certified testing and mitigation professionals to keep your home safe
Gwinn, MI Radon Facts
Upper Peninsula community Gwinn in Marquette County shows an average radon level of 9.0 pCi/L, more than doubling the EPA action threshold based on available testing data from the 49841 zip code area. The region's Precambrian granite and gneiss bedrock, combined with iron-rich soils, creates geological conditions highly favorable for elevated radon production. Most area homes feature basements that can concentrate radon gas from the underlying bedrock.
Based on 1 user-submitted radon test for homes in Gwinn, MI. The EPA recommends taking action at or above 4.0 pCi/L.
Gwinn, MI Radon Mitigation
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Gwinn, MI Radon Levels
User-submitted radon test readings from homes in the Gwinn area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | GWINN, MI | 0-20 Years | Full Basement |
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Radon Readings Near Gwinn, MI
Compare radon levels in Gwinn with the closest nearby cities that have user-submitted test data.
Marquette County Radon Profile
The soils and bedrock of Marquette County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 3 cities in Marquette County average 9.00 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Marquette County to test, as levels can differ between neighboring homes.