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May, ID Radon Levels

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


May, ID Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Lemhi County, ID
Zip Code 83253

Remote Lemhi County wilderness surrounds May, where Rocky Mountain granite and metamorphic formations can produce elevated radon levels at high elevation. Testing data for this isolated 83254 community is unavailable, making individual home testing essential for residents in this mountainous region with potentially significant radon sources.

May, ID Radon Mitigation

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

Need Radon Mitigation or Testing in May?

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Radon FAQ for May, ID

What EPA Radon Zone is May in?
May and the 83253 zip code are in Lemhi 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 May?
Radon mitigation in May 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 May?
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 Idaho

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

CityAvg User Radon LevelSubmissions
Idaho Falls 7.29 pCi/L 7
Hailey 7.83 pCi/L 6
Post Falls 9.00 pCi/L 5
Coeur D Alene 9.00 pCi/L 4
Moscow 7.75 pCi/L 4
Victor 6.67 pCi/L 3
Driggs 16.00 pCi/L 2
Hayden 8.50 pCi/L 2
Pocatello 8.50 pCi/L 2
Eagle 6.00 pCi/L 1