Godfrey, IL Radon Levels
Check local Godfrey radon levels and find certified testing and mitigation professionals to keep your home safe
Godfrey, IL Radon Facts
Positioned in Madison County along the Mississippi River bluffs near St. Louis, Godfrey has recorded an average radon level of 6.0 pCi/L, exceeding the EPA action level. The area's limestone bedrock beneath river terrace deposits creates favorable conditions for radon production in zip code 62035. Homes in this metro east community should prioritize radon testing and mitigation.
Based on 1 user-submitted radon test for homes in Godfrey, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Godfrey, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Godfrey, IL Radon Levels
User-submitted radon test readings from homes in the Godfrey area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 6 pCi/L | Godfrey, IL | 0-20 Years | — |
Have a radon test result for Godfrey? Submit your reading to help other homeowners.
Radon Readings Near Godfrey, IL
Compare radon levels in Godfrey with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| East Alton | 8.0 mi | 4.00 pCi/L | 1 |
| Grafton | 12.8 mi | 14.00 pCi/L | 1 |
| Jerseyville | 13.9 mi | 3.50 pCi/L | 2 |
| Granite City | 16.0 mi | 8.00 pCi/L | 1 |
| Glen Carbon | 18.0 mi | 2.50 pCi/L | 2 |
| Maryville | 20.6 mi | 11.00 pCi/L | 1 |
| Collinsville | 21.7 mi | 5.00 pCi/L | 1 |
| Staunton | 23.1 mi | 8.00 pCi/L | 1 |
Madison County Radon Profile
The soils and bedrock of Madison 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 8 cities in Madison County average 5.44 pCi/L across 9 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 Madison County to test, as levels can differ between neighboring homes.