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Cedar, IA Radon Levels

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


Cedar, IA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Mahaska County, IA
Zip Code 52543

Cedar, nestled in Mahaska County's agricultural heartland, sits on glacial deposits that characterize much of Iowa's landscape and can influence radon concentrations. Though testing data for zip code 52543 remains limited, Iowa's geology often produces elevated radon levels that require homeowner attention. Rural residents should prioritize professional radon testing, particularly in homes with basement foundations standard throughout the state's farming communities.

Cedar, IA 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 Cedar, IA

What EPA Radon Zone is Cedar in?
Cedar and the 52543 zip code are in Mahaska 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 Cedar?
Radon mitigation in Cedar 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 Cedar?
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 Iowa

Cities in Iowa with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Waterloo 8.50 pCi/L 4
Ames 9.67 pCi/L 3
Fairfield 14.00 pCi/L 2
Mount Pleasant 12.00 pCi/L 2
Ottumwa 5.50 pCi/L 2
Iowa City 7.00 pCi/L 1
Muscatine No submissions 0