Fort Benton, MT Radon Levels

Q: What EPA Radon Zone is Fort Benton in?

Fort Benton is in Chouteau County, EPA Zone 1.

Q: How much does radon mitigation cost in Fort Benton?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Fort Benton, MT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Chouteau County, MT

Zip Code 59442

Perched along the Missouri River in Chouteau County, Fort Benton sits atop sedimentary rock formations including the Bearpaw Shale that can contribute to radon gas production. This historic community features both preserved frontier-era buildings and modern construction, with housing that includes basements and slab foundations depending on the era of construction. Given the EPA Zone 1 designation and limited testing data for zip code 59442, residents should conduct radon testing to understand their individual exposure risk.

Fort Benton, 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 Fort Benton?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Chouteau County Pros

1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon FAQ for Fort Benton, MT

What EPA Radon Zone is Fort Benton in?

Fort Benton and the 59442 zip code are in Chouteau 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 Fort Benton?

Radon mitigation in Fort Benton 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 Fort Benton?

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