Circle, MT Radon Levels
Check local Circle radon levels and find certified testing and mitigation professionals to keep your home safe
Circle, MT Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
McCone County, MT
Zip Code
59215
Circle sits in the rolling plains of McCone County in eastern Montana, where the underlying Fort Union Formation and glacial deposits create moderate radon potential. With limited testing data available for the 59215 area, homeowners should conduct individual radon measurements to assess their specific risk. The region's typical ranch-style homes and mobile homes may have lower radon accumulation, but basement properties could see elevated levels.
Circle, MT 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 Circle?
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Radon FAQ for Circle, MT
What EPA Radon Zone is Circle in?
Circle and the 59215 zip code are in McCone 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 Circle?
Radon mitigation in Circle 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 Circle?
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.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| 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 |