Charlo, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Charlo in?

Charlo is in Lake County, EPA Zone 1.

Q: How much does radon mitigation cost in Charlo?

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 within Montana's Flathead Valley, Charlo sits among glacial lake deposits and Rocky Mountain foothills that typically produce lower radon levels than eastern Montana. Testing data for the 59824 zip code is currently unavailable, making home testing important for local residents. The rural community's mix of ranch-style homes and mobile homes, often built without basements due to soil conditions, may have reduced radon accumulation compared to areas with different foundation types.

Charlo, MT Radon Mitigation

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

Charlo, MT Radon Testing

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

Charlo Radon Facts

Key details about the radon risk profile for Charlo and the 59824 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lake County, MT

Zip Code

59824

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Charlo and the 59824 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 Charlo, MT

What EPA Radon Zone is Charlo in?

Charlo and the 59824 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 Charlo?

Radon mitigation in Charlo 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 Charlo?

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