South Lyon, MI Radon Levels
Check local South Lyon radon levels and find certified testing and mitigation professionals to keep your home safe
South Lyon, MI Radon Facts
Located in Oakland County within both the Ann Arbor and Detroit Metro areas (zip code 48178), South Lyon shows an exceptionally high average radon level of 20.0 pCi/L that far exceeds EPA action levels. The area's glacial geology and typical Michigan basement construction create ideal conditions for radon accumulation. This dramatic reading underscores the critical importance of radon testing and immediate mitigation for all South Lyon homeowners.
Based on 2 user-submitted radon tests for homes in South Lyon, MI. The EPA recommends taking action at or above 4.0 pCi/L.
South Lyon, MI Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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South Lyon, MI Radon Levels
User-submitted radon test readings from homes in the South Lyon area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 20 pCi/L | South Lyon, MI | 21-50 Years | Full Basement |
Have a radon test result for South Lyon? Submit your reading to help other homeowners.
Radon Readings Near South Lyon, MI
Compare radon levels in South Lyon with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Brighton | 8.5 mi | 6.00 pCi/L | 3 |
| Wixom | 8.5 mi | 13.00 pCi/L | 2 |
| Novi | 8.9 mi | 5.00 pCi/L | 7 |
| Northville | 9.1 mi | 5.33 pCi/L | 3 |
| Milford | 9.3 mi | 4.33 pCi/L | 3 |
| Plymouth | 11.0 mi | 4.33 pCi/L | 3 |
| Walled Lake | 11.6 mi | 6.33 pCi/L | 3 |
| Commerce Township | 11.9 mi | 4.00 pCi/L | 1 |
Oakland County Radon Profile
The soils and bedrock of Oakland 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 22 cities in Oakland County average 7.30 pCi/L across 50 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 Oakland County to test, as levels can differ between neighboring homes.