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South Charleston, OH Radon Levels

Check local South Charleston radon levels and find certified testing and mitigation professionals to keep your home safe


South Charleston, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Clark County, OH
Zip Code 45368

Located in Clark County within the Dayton Metro area, South Charleston sits in EPA Zone 1 where higher radon concentrations are anticipated. The region's glacial deposits over limestone bedrock, typical of southwestern Ohio, create geological pathways for radon migration. With testing data for zip code 45368 currently limited, residents should conduct radon testing to assess their individual exposure risk.

South Charleston, OH Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon FAQ for South Charleston, OH

What EPA Radon Zone is South Charleston in?
South Charleston and the 45368 zip code are in Clark 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 South Charleston?
Radon mitigation in South Charleston 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 South Charleston?
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.

CityAvg User Radon LevelSubmissions
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