Arlee, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Arlee in?

Arlee is in Lake County, EPA Zone 1.

Q: How much does radon mitigation cost in Arlee?

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

Lake County

EPA Zone 1

Positioned in Lake County near Flathead Lake, Arlee's 59821 area sits within glacial valley deposits that can create varying radon potential across the landscape. Testing data remains sparse for this northwestern Montana community, making home-by-home assessment crucial for residents. Individual radon testing provides the most accurate picture of exposure levels in this diverse geological setting.

Arlee, MT Radon Mitigation

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

Arlee, MT Radon Testing

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

Arlee Radon Facts

Key details about the radon risk profile for Arlee and the 59821 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lake County, MT

Zip Code

59821

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Arlee and the 59821 zip code are located in Lake 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 Arlee, MT

What EPA Radon Zone is Arlee in?

Arlee and the 59821 zip code are in Lake 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 Arlee?

Radon mitigation in Arlee 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 Arlee?

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