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Cardington, OH Radon Levels

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


Cardington, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Morrow County, OH
Zip Code 43315

Located in central Ohio's Morrow County within the Columbus Metro area, Cardington sits atop glacial till deposits over limestone bedrock that create significant radon potential. The community features a mix of early 20th-century homes and newer construction, most with full basements common to the region. Limited testing data for zip code 43315 underscores the importance of individual radon testing in this geologically high-risk area.

Cardington, 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 Cardington, OH

What EPA Radon Zone is Cardington in?
Cardington and the 43315 zip code are in Morrow 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 Cardington?
Radon mitigation in Cardington 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 Cardington?
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