Ronan, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Ronan in?

Ronan is in Lake County, EPA Zone 1.

Q: How much does radon mitigation cost in Ronan?

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

Ronan serves as the county seat of Lake County in Montana's Flathead Valley, where glacial lake sediments and underlying bedrock create variable radon conditions throughout the reservation lands. With testing data limited for zip code 59864, individual home testing becomes essential for residents to understand their radon risk. Valley floor properties may experience different radon levels than surrounding hillside locations.

Ronan, MT Radon Mitigation

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

Ronan, MT Radon Testing

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

Ronan Radon Facts

Key details about the radon risk profile for Ronan and the 59864 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lake County, MT

Zip Code

59864

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Ronan and the 59864 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 Ronan, MT

What EPA Radon Zone is Ronan in?

Ronan and the 59864 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 Ronan?

Radon mitigation in Ronan 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 Ronan?

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