De Graff, OH Radon Levels
Check local De Graff radon levels and find certified testing and mitigation professionals to keep your home safe
De Graff, OH Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Logan County, OH
Zip Code
43318
Positioned in west-central Logan County, De Graff sits on glacial till over limestone bedrock that characterizes much of Ohio's radon-prone regions. Testing data for zip code 43318 is currently limited, though the area's geological conditions suggest potential for elevated radon levels. Rural and small-town homes with basements, particularly older construction with stone or block foundations, should consider radon testing to establish safe indoor air quality.
De Graff, OH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in De Graff?
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Radon FAQ for De Graff, OH
What EPA Radon Zone is De Graff in?
De Graff and the 43318 zip code are in Logan County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in De Graff?
Radon mitigation in De Graff typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in De Graff?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.
Most Active Radon Markets in Ohio
Cities in Ohio with the most user-submitted radon test data, ranked by number of submissions.
| 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 |