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Decker, MT Radon Levels

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


Decker, MT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Big Horn County, MT
Zip Code 59025

Positioned in Big Horn County in south-central Montana, Decker benefits from EPA Zone 1 classification in a region where geological conditions can produce elevated radon levels. The area's sedimentary rock formations and semi-arid climate create variable radon potential across the landscape. Without comprehensive local testing data for zip code 59025, residents are encouraged to test their homes to establish accurate radon exposure baselines.

Decker, MT 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 Decker, MT

What EPA Radon Zone is Decker in?
Decker and the 59025 zip code are in Big Horn 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 Decker?
Radon mitigation in Decker 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 Decker?
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 Montana

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

CityAvg User Radon LevelSubmissions
Butte 10.20 pCi/L 10
Missoula 6.25 pCi/L 8
Florence 11.67 pCi/L 3
Bozeman 10.33 pCi/L 3
Helena 8.67 pCi/L 3
Stevensville 7.67 pCi/L 3
Sidney 7.33 pCi/L 3
Billings 5.33 pCi/L 3
Miles City 3.33 pCi/L 3
Kalispell 7.50 pCi/L 2