Chinook, MT Radon Levels
Check local Chinook radon levels and find certified testing and mitigation professionals to keep your home safe
Chinook, MT Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Blaine County, MT
Zip Code
59523
Positioned in Blaine County along Montana's Hi-Line, Chinook falls within EPA Zone 1 - the highest risk category for radon exposure nationwide. The region's glacial till deposits and underlying sedimentary formations create excellent conditions for radon gas production and migration into homes. Given the extremely limited testing data for zip code 59523, residents should treat radon testing as an urgent priority and be prepared for potentially significant radon levels requiring professional mitigation.
Chinook, 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 Chinook?
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Radon FAQ for Chinook, MT
What EPA Radon Zone is Chinook in?
Chinook and the 59523 zip code are in Blaine 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 Chinook?
Radon mitigation in Chinook 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 Chinook?
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 |