Grass Lake, MI Radon Levels
Check local Grass Lake radon levels and find certified testing and mitigation professionals to keep your home safe
Grass Lake, MI Radon Facts
Located in Jackson County within both the Ann Arbor and Jackson Metro areas, Grass Lake's zip code 49240 has recorded an average radon level of 6.0 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. Built on glacial till deposits over limestone bedrock characteristic of southern Michigan, the community's housing includes many homes with full basements where radon can accumulate. Given this elevated reading, all area homeowners should test their properties and consider mitigation if levels exceed EPA guidelines.
Based on 1 user-submitted radon test for homes in Grass Lake, MI. The EPA recommends taking action at or above 4.0 pCi/L.
Grass Lake, MI Radon Mitigation
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Grass Lake, MI Radon Levels
User-submitted radon test readings from homes in the Grass Lake area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 6 pCi/L | GRASS LAKE, MI | 0-20 Years | Full Basement |
Have a radon test result for Grass Lake? Submit your reading to help other homeowners.
Radon Readings Near Grass Lake, MI
Compare radon levels in Grass Lake with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Munith | 7.4 mi | 3.00 pCi/L | 1 |
| Jackson | 10.8 mi | 7.00 pCi/L | 1 |
| Pleasant Lake | 11.2 mi | 13.00 pCi/L | 1 |
| Rives Junction | 15.8 mi | 5.00 pCi/L | 1 |
| Dexter | 16.2 mi | 4.00 pCi/L | 1 |
| Onsted | 16.7 mi | 6.00 pCi/L | 2 |
| Tipton | 17.3 mi | 4.00 pCi/L | 1 |
| Spring Arbor | 18.7 mi | 20.00 pCi/L | 1 |
Jackson County Radon Profile
The bedrock and soils beneath Jackson County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 7 cities in Jackson County average 8.43 pCi/L across 7 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Jackson County.