Onsted, MI Radon Levels
Check local Onsted radon levels and find certified testing and mitigation professionals to keep your home safe
Onsted, MI Radon Facts
Onsted in Lenawee County shows radon levels averaging 6.0 pCi/L based on 2 tests, which exceeds the EPA action threshold of 4.0 pCi/L. Michigan's glacial till soils and limestone bedrock create favorable conditions for radon accumulation in homes with basements and crawl spaces. Testing is strongly recommended for all properties in zip code 49265.
Based on 2 user-submitted radon tests for homes in Onsted, MI. The EPA recommends taking action at or above 4.0 pCi/L.
Onsted, MI Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Onsted?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Lenawee County Pros
Onsted, MI Radon Levels
User-submitted radon test readings from homes in the Onsted area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Onsted, MI | 100+ Years | Partial Basement |
| 3 pCi/L | Onsted, MI | 21-50 Years | Full Basement |
Have a radon test result for Onsted? Submit your reading to help other homeowners.
Radon Readings Near Onsted, MI
Compare radon levels in Onsted with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Tipton | 5.5 mi | 4.00 pCi/L | 1 |
| Tecumseh | 12.0 mi | 11.50 pCi/L | 2 |
| Clinton | 12.5 mi | 6.00 pCi/L | 1 |
| Grass Lake | 16.7 mi | 6.00 pCi/L | 1 |
| Britton | 18.0 mi | 8.00 pCi/L | 1 |
| Jackson | 18.9 mi | 7.00 pCi/L | 1 |
| Spring Arbor | 22.4 mi | 20.00 pCi/L | 1 |
| Saline | 22.6 mi | 1.00 pCi/L | 1 |
Lenawee County Radon Profile
The bedrock and soils beneath Lenawee 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 5 cities in Lenawee County average 7.57 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 Lenawee County.