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Dunlap, IA Radon Levels

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


Dunlap, IA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Harrison County, IA
Zip Code 51529

This small Harrison County community in western Iowa sits within the greater Omaha metropolitan area, where glacial deposits over limestone bedrock can create conditions favorable to radon accumulation. With limited testing data available for zip code 51529, residents are encouraged to test their homes for radon levels. Rural Iowa homes with basements and older foundation systems may be particularly susceptible to radon entry through soil contact points.

Dunlap, 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 Dunlap, IA

What EPA Radon Zone is Dunlap in?
Dunlap and the 51529 zip code are in Harrison 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 Dunlap?
Radon mitigation in Dunlap 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 Dunlap?
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