Portage, MI Radon Levels
Check local Portage radon levels and find certified testing and mitigation professionals to keep your home safe
Portage, MI Radon Facts
Portage in Kalamazoo County shows an average radon level of 3.3 pCi/L based on local testing data, staying within EPA's recommended range but close enough to warrant attention. The city's mix of postwar and contemporary housing, primarily featuring full basements over glacial till soils, creates conditions where radon can accumulate. Regular testing remains important for homeowners across zip codes 49002 and 49024, especially in older homes with foundation settling.
Based on 3 user-submitted radon tests for homes in Portage, MI. The EPA recommends taking action at or above 4.0 pCi/L.
Portage, MI Radon Mitigation
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Portage, MI Radon Levels
User-submitted radon test readings from homes in the Portage area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Portage, MI | 21-50 Years | Partial Basement |
| 1 pCi/L | Portage, MI | 21-50 Years | Full Basement |
| 5 pCi/L | Portage, MI | 21-50 Years | Full Basement |
Have a radon test result for Portage? Submit your reading to help other homeowners.
Radon Readings Near Portage, MI
Compare radon levels in Portage with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Mattawan | 10.9 mi | 4.00 pCi/L | 1 |
| Paw Paw | 16.0 mi | 4.00 pCi/L | 1 |
| Three Rivers | 16.5 mi | 6.00 pCi/L | 2 |
| Battle Creek | 22.4 mi | 6.60 pCi/L | 5 |
| Ceresco | 24.5 mi | 3.00 pCi/L | 1 |
| Marshall | 32.8 mi | 8.50 pCi/L | 2 |
| Coldwater | 35.4 mi | 9.00 pCi/L | 1 |
| Coloma | 37.4 mi | 6.00 pCi/L | 1 |
Kalamazoo County Radon Profile
Kalamazoo County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 1 city in Kalamazoo County average 3.33 pCi/L across 3 tests — 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 Kalamazoo County to test, as levels can differ between neighboring homes.