Holly, MI Radon Levels
Check local Holly radon levels and find certified testing and mitigation professionals to keep your home safe
Holly, MI Radon Facts
Located in Oakland County within the Detroit Metro area, Holly sits on glacial outwash deposits over Paleozoic limestone bedrock typical of southeastern Michigan. The community's housing features a blend of 19th century Victorian homes and post-war suburban development, predominantly with full basements. Current testing shows an average radon level of 4.0 pCi/L in zip code 48442, meeting the EPA action threshold and highlighting the need for comprehensive home testing.
Based on 1 user-submitted radon test for homes in Holly, MI. The EPA recommends taking action at or above 4.0 pCi/L.
Holly, MI Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Holly, MI Radon Levels
User-submitted radon test readings from homes in the Holly area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Holly, MI | 0-20 Years | Full Basement |
Have a radon test result for Holly? Submit your reading to help other homeowners.
Radon Readings Near Holly, MI
Compare radon levels in Holly with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Fenton | 5.9 mi | 4.00 pCi/L | 1 |
| Grand Blanc | 9.2 mi | 4.00 pCi/L | 1 |
| Linden | 9.6 mi | 3.50 pCi/L | 2 |
| Clarkston | 10.6 mi | 5.00 pCi/L | 4 |
| Goodrich | 10.8 mi | 5.00 pCi/L | 1 |
| White Lake | 11.1 mi | 10.00 pCi/L | 4 |
| Milford | 13.9 mi | 4.33 pCi/L | 3 |
| Waterford | 14.8 mi | 7.75 pCi/L | 4 |
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.