Chatham, IL Radon Levels
Check local Chatham radon levels and find certified testing and mitigation professionals to keep your home safe
Chatham, IL Radon Facts
Situated in Sangamon County within the Springfield Metro area, Chatham records an average radon level of 3.0 pCi/L, remaining within EPA-recommended ranges but still warranting attention. This 62629 zip code community sits atop central Illinois glacial deposits over limestone bedrock that can produce variable radon readings. Regular testing every few years helps ensure continued safety in area homes.
Based on 1 user-submitted radon test for homes in Chatham, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Chatham, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Chatham, IL Radon Levels
User-submitted radon test readings from homes in the Chatham area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 3 pCi/L | Chatham, IL | 0-20 Years | Full Basement |
Have a radon test result for Chatham? Submit your reading to help other homeowners.
Radon Readings Near Chatham, IL
Compare radon levels in Chatham with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Auburn | 5.9 mi | 6.00 pCi/L | 1 |
| Divernon | 7.7 mi | 7.00 pCi/L | 1 |
| Springfield | 8.7 mi | 6.50 pCi/L | 2 |
| Williamsville | 21.2 mi | 1.00 pCi/L | 1 |
| Taylorville | 23.8 mi | 2.00 pCi/L | 1 |
| Lincolns New Salem | 25.0 mi | 8.00 pCi/L | 1 |
| Jacksonville | 27.8 mi | 9.00 pCi/L | 2 |
| Carlinville | 27.9 mi | 9.00 pCi/L | 1 |
Sangamon County Radon Profile
Sangamon County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 5 cities in Sangamon County average 5.00 pCi/L across 6 tests — 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 Sangamon County to test, as levels can differ between neighboring homes.