Carlyle, IL Radon Levels
Check local Carlyle radon levels and find certified testing and mitigation professionals to keep your home safe
Carlyle, IL Radon Facts
Carlyle in Clinton County shows a concerning average radon level of 13.0 pCi/L, significantly exceeding the EPA action threshold. Located on the Illinois side of the St. Louis metro area, the city sits on Mississippi River floodplain deposits over limestone bedrock that create favorable conditions for radon production. Homeowners in zip code 62231 should prioritize radon testing and mitigation given these elevated readings.
Based on 1 user-submitted radon test for homes in Carlyle, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Carlyle, IL Radon Mitigation
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Carlyle, IL Radon Levels
User-submitted radon test readings from homes in the Carlyle area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 13 pCi/L | Carlyle, IL | 0-20 Years | Full Basement |
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Radon Readings Near Carlyle, IL
Compare radon levels in Carlyle with the closest nearby cities that have user-submitted test data.
Clinton County Radon Profile
The soils and bedrock of Clinton 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 1 city in Clinton County average 13.00 pCi/L across 1 test — 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 Clinton County to test, as levels can differ between neighboring homes.