Lima, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Lima in?

Lima is in Beaverhead County, EPA Zone 1.

Q: How much does radon mitigation cost in Lima?

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

Beaverhead County

EPA Zone 1

This small community in southwestern Montana's Beaverhead County lies within the Beaverhead Valley, surrounded by mountain ranges and underlain by Tertiary sedimentary rocks. Testing data for the 59739 area is currently limited, making individual home testing particularly important. Given Montana's high-altitude environment and varied geology, radon levels can differ significantly from property to property.

Lima, MT Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Lima, MT Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Lima Radon Facts

Key details about the radon risk profile for Lima and the 59739 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Beaverhead County, MT

Zip Code

59739

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Lima and the 59739 zip code are located in Beaverhead County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Lima, MT

What EPA Radon Zone is Lima in?

Lima and the 59739 zip code are in Beaverhead 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 Lima?

Radon mitigation in Lima 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 Lima?

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 with the most user-submitted radon test data in the state.

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
Great Falls	4.50 pCi/L	2
Whitefish	4.00 pCi/L	2
Ennis	9.00 pCi/L	1
Livingston	No submissions	0