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Sand Coulee, MT Radon Levels

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


Sand Coulee, MT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Cascade County, MT
Zip Code 59472

Situated in Cascade County near Great Falls, Sand Coulee sits within Montana's EPA Zone 1 where uranium-bearing rock formations contribute to high radon potential statewide. The area's continental climate and varied housing stock, from historic mining-era homes to modern construction, can influence radon entry patterns. With no current local testing data available, residents in zip code 59472 are encouraged to test their homes professionally to assess radon levels.

Sand Coulee, 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 Sand Coulee, MT

What EPA Radon Zone is Sand Coulee in?
Sand Coulee and the 59472 zip code are in Cascade 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 Sand Coulee?
Radon mitigation in Sand Coulee 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 Sand Coulee?
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