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Des Moines, IA Radon Levels

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


Des Moines, IA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Polk County, IA
Zip Code 50307
Avg. User Level 3.00 pCi/L
User Tests 1

Iowa's capital city in Polk County shows an average radon level of 3.0 pCi/L based on available testing data, falling within the EPA's acceptable range but still warranting homeowner attention. The city's diverse housing stock spans from historic neighborhoods with full basements to modern suburban developments, all sitting atop glacial deposits over limestone bedrock. Regular testing remains important across all Des Moines zip codes, as radon levels can vary significantly between individual properties even within the same geological area.

3.00
pCi/L average
Below EPA Action Level

Based on 1 user-submitted radon test for homes in Des Moines, IA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Des Moines, IA Radon Mitigation

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

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Des Moines, IA Radon Levels

User-submitted radon test readings from homes in the Des Moines area.

Radon LevelCityHome AgeFoundation
3 pCi/L Des Moines, IA Full Basement

Have a radon test result for Des Moines? Submit your reading to help other homeowners.

Radon FAQ for Des Moines, IA

What is the average radon level in Des Moines, IA?
Based on 1 user-submitted test, the average radon level in Des Moines is 3.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.
What EPA Radon Zone is Des Moines in?
Des Moines and the 50307 zip code are in Polk 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 Des Moines?
Radon mitigation in Des Moines 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 Des Moines?
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