Bellefontaine, OH Radon Mitigation and Testing
Home to Logan County's seat of government, Bellefontaine shows an average radon level of 16.5 pCi/L based on local testing data, significantly exceeding the EPA action threshold of 4.0 pCi/L. The community's location over Ohio's glacial till deposits and limestone bedrock creates ideal conditions for radon accumulation in the many homes with full basements. Residents in zip code 43311 should prioritize radon testing and mitigation given these elevated readings.
Based on 2 user-submitted radon tests for homes in Bellefontaine, OH. The EPA recommends taking action at or above 4.0 pCi/L.
Bellefontaine, OH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Bellefontaine, OH Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Bellefontaine, Ohio Radon Levels
User-submitted radon test readings from homes in the Bellefontaine area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 20 pCi/L | Bellefontaine, OH | 21-50 Years | Full Basement | Nov 2025 |
| 13 pCi/L | Bellefontaine, OH | 51-99 Years | Full Basement | May 2021 |
Have a radon test result for Bellefontaine? Submit your reading to help other homeowners.
Bellefontaine Radon Facts
Key details about the radon risk profile for Bellefontaine and the 43311 zip code area.
Bellefontaine and the 43311 zip code are located in Logan County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Bellefontaine, OH
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Most Active Radon Markets in Ohio
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Marietta | 8.00 pCi/L | 5 |
| Cincinnati | 5.20 pCi/L | 5 |
| Hilliard | 11.75 pCi/L | 4 |
| Wilmington | 5.25 pCi/L | 4 |
| Newark | 15.00 pCi/L | 3 |
| Athens | 11.33 pCi/L | 3 |
| Findlay | 10.33 pCi/L | 3 |
| Perrysburg | 9.67 pCi/L | 3 |
| Powell | 8.33 pCi/L | 3 |
| Columbus | 6.00 pCi/L | 3 |
| Chagrin Falls | 4.67 pCi/L | 3 |
| Hamilton | 10.00 pCi/L | 2 |
| Chardon | 5.50 pCi/L | 2 |
| Strongsville | 4.50 pCi/L | 2 |
| Maineville | 10.00 pCi/L | 1 |
| Lancaster | 9.00 pCi/L | 1 |
| West Chester | 9.00 pCi/L | 1 |
| Amherst | 6.00 pCi/L | 1 |
| Chillicothe | 6.00 pCi/L | 1 |
| Lima | 5.00 pCi/L | 1 |