Carlinville, IL Radon Levels
Check local Carlinville radon levels and find certified testing and mitigation professionals to keep your home safe
Carlinville, IL Radon Facts
This historic Macoupin County seat lies within the Illinois coal belt region, where Pennsylvanian-era geological formations create variable radon conditions across different neighborhoods. Testing has revealed an average of 9.0 pCi/L, well above the EPA threshold, making radon mitigation a priority for residents in this St. Louis metro community.
Based on 1 user-submitted radon test for homes in Carlinville, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Carlinville, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Carlinville, IL Radon Levels
User-submitted radon test readings from homes in the Carlinville area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Carlinville, IL | 51-99 Years | Partial Basement |
Have a radon test result for Carlinville? Submit your reading to help other homeowners.
Radon Readings Near Carlinville, IL
Compare radon levels in Carlinville with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Staunton | 19.5 mi | 8.00 pCi/L | 1 |
| Auburn | 21.9 mi | 6.00 pCi/L | 1 |
| Divernon | 22.2 mi | 7.00 pCi/L | 1 |
| Jerseyville | 27.6 mi | 3.50 pCi/L | 2 |
| Chatham | 27.9 mi | 3.00 pCi/L | 1 |
| Godfrey | 29.9 mi | 6.00 pCi/L | 1 |
| White Hall | 30.2 mi | 6.00 pCi/L | 1 |
| East Alton | 30.5 mi | 4.00 pCi/L | 1 |
Macoupin County Radon Profile
EPA mapping assigns Macoupin County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 2 cities in Macoupin County average 8.50 pCi/L across 2 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 Macoupin County home regardless of zone or a neighbor's results.