Dexter, MI Radon Levels
Check local Dexter radon levels and find certified testing and mitigation professionals to keep your home safe
Dexter, MI Radon Facts
Testing in Washtenaw County shows Dexter with an average radon level of 4.0 pCi/L, right at the EPA action threshold for this Ann Arbor metropolitan area community. Located in the 48130 zip code, this area sits on glacial deposits that can facilitate radon migration. While current readings are at the borderline level, continued monitoring and potential mitigation should be considered.
Based on 1 user-submitted radon test for homes in Dexter, MI. The EPA recommends taking action at or above 4.0 pCi/L.
Dexter, MI Radon Mitigation
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Dexter, MI Radon Levels
User-submitted radon test readings from homes in the Dexter area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Dexter, MI | 21-50 Years | Full Basement |
Have a radon test result for Dexter? Submit your reading to help other homeowners.
Radon Readings Near Dexter, MI
Compare radon levels in Dexter with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Pinckney | 7.0 mi | 7.33 pCi/L | 3 |
| Ann Arbor | 10.4 mi | 5.00 pCi/L | 1 |
| South Lyon | 14.0 mi | 15.00 pCi/L | 2 |
| Saline | 14.3 mi | 1.00 pCi/L | 1 |
| Brighton | 15.2 mi | 6.00 pCi/L | 3 |
| Grass Lake | 16.2 mi | 6.00 pCi/L | 1 |
| Ypsilanti | 17.1 mi | 8.50 pCi/L | 4 |
| Munith | 17.8 mi | 3.00 pCi/L | 1 |
Washtenaw County Radon Profile
Because of its underlying geology, Washtenaw County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 4 cities in Washtenaw County average 6.29 pCi/L across 7 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Washtenaw County home regardless of zone or a neighbor's results.