Garrison, MT Radon Levels
Check local Garrison radon levels and find certified testing and mitigation professionals to keep your home safe
Garrison, MT Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Powell County, MT
Zip Code
59731
High in Powell County's mountainous terrain of western Montana, Garrison sits in EPA Zone 1 where geological conditions can produce elevated radon concentrations. The area's granite and metamorphic bedrock, combined with older mining-era housing stock, creates potential for radon accumulation in homes. Testing data for zip code 59731 is currently insufficient, making professional radon testing particularly important for residents.
Garrison, 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 Garrison?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Powell County Pros
1-800-299-3578
Toll-free · Mon–Fri 8am–6pm ET
Radon FAQ for Garrison, MT
What EPA Radon Zone is Garrison in?
Garrison and the 59731 zip code are in Powell 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 Garrison?
Radon mitigation in Garrison 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 Garrison?
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 |