Libby, MT Radon Levels

Q: What is the average radon level in Libby, MT?

Based on 3 user-submitted tests, the average radon level is 16.00 pCi/L.

Q: What EPA Radon Zone is Libby in?

Libby is in Lincoln County, EPA Zone 1.

Q: How much does radon mitigation cost in Libby?

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

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

Libby, MT Radon Facts

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

County Lincoln County, MT

Zip Code 59923

Avg. User Level 16.00 pCi/L

User Tests 3

Surrounded by the Cabinet Mountains in northwest Lincoln County, Libby shows a concerning radon average of 8.0 pCi/L, well above EPA guidelines. The area's mountainous terrain and complex geology, combined with the region's older housing stock, contribute to elevated indoor radon accumulation. Mountain valley residents should prioritize radon testing and mitigation, particularly in homes with basements or crawl spaces in zip code 59923.

16.00

pCi/L average

Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Libby, MT. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Libby, MT Radon Mitigation

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Libby, MT Radon Levels

User-submitted radon test readings from homes in the Libby area.

Radon Level	City	Home Age	Foundation
20 pCi/L	Libby, MT	51-99 Years	No Basement/All Crawl Space
8 pCi/L	Libby, MT	100+ Years	Partial Basement

Have a radon test result for Libby? Submit your reading to help other homeowners.

Radon FAQ for Libby, MT

What is the average radon level in Libby, MT?

Based on 3 user-submitted tests, the average radon level in Libby is 16.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Libby in?

Libby and the 59923 zip code are in Lincoln 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 Libby?

Radon mitigation in Libby 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 Libby?

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

Libby, MT Radon Levels

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

Libby, MT Radon Facts

Libby, MT Radon Mitigation

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Libby, MT Radon Levels

Radon FAQ for Libby, MT

Most Active Radon Markets in Montana

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