Cape Girardeau, MO Radon Levels
Check local Cape Girardeau radon levels and find certified testing and mitigation professionals to keep your home safe
Cape Girardeau, MO Radon Facts
Situated along the Mississippi River in Cape Girardeau County, this southeastern Missouri city shows radon readings averaging 6.5 pCi/L. Both 63701 and 63703 zip codes exceed the EPA action level, with individual tests ranging from 4.0 to 9.0 pCi/L. The combination of river valley alluvium over limestone bedrock creates conditions favorable for radon accumulation in area homes.
Based on 2 user-submitted radon tests for homes in Cape Girardeau, MO. The EPA recommends taking action at or above 4.0 pCi/L.
Cape Girardeau, MO Radon Mitigation
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Cape Girardeau, MO Radon Levels
User-submitted radon test readings from homes in the Cape Girardeau area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Cape Girardeau, MO | 51-99 Years | Full Basement |
| 4 pCi/L | Cape Girardeau, MO | 51-99 Years | Full Basement |
Have a radon test result for Cape Girardeau? Submit your reading to help other homeowners.
Radon Readings Near Cape Girardeau, MO
Compare radon levels in Cape Girardeau with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Jackson | 8.4 mi | 7.00 pCi/L | 2 |
Cape Girardeau County Radon Profile
The soils and bedrock of Cape Girardeau 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 2 cities in Cape Girardeau County average 6.75 pCi/L across 4 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 Cape Girardeau County to test, as levels can differ between neighboring homes.