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Chelsea, IA Radon Levels

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


Chelsea, IA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Tama County, IA
Zip Code 52215

Rural Tama County's Chelsea sits in Iowa's glacial till region, where underlying limestone bedrock can contribute to elevated radon levels. Testing data for this small 52215 community remains sparse, highlighting the need for individual property assessment. Given Iowa's generally high radon potential and the area's geological characteristics, homeowners should prioritize professional radon testing.

Chelsea, 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 Chelsea, IA

What EPA Radon Zone is Chelsea in?
Chelsea and the 52215 zip code are in Tama 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 Chelsea?
Radon mitigation in Chelsea 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 Chelsea?
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