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Lolo, MT Radon Levels

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


Lolo, MT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Missoula County, MT
Zip Code 59847
Avg. User Level 9.00 pCi/L
User Tests 2

Situated in Missoula County (59847), Lolo has recorded an average radon level of 9.0 pCi/L, more than double the EPA action threshold of 4.0 pCi/L. This elevated reading reflects Montana's EPA Zone 1 designation and the challenging geology of intermountain valleys, where fractured bedrock can create significant radon accumulation. Professional mitigation is strongly recommended for homes with similar readings in this scenic mountain community.

9.00
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Lolo, MT. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Lolo, MT Radon Mitigation

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

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Lolo, MT Radon Levels

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

Radon LevelCityHome AgeFoundation
9 pCi/L Lolo, MT 21-50 Years Full Basement

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

Radon FAQ for Lolo, MT

What is the average radon level in Lolo, MT?
Based on 2 user-submitted tests, the average radon level in Lolo is 9.00 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 Lolo in?
Lolo and the 59847 zip code are in Missoula 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 Lolo?
Radon mitigation in Lolo 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 Lolo?
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.

CityAvg User Radon LevelSubmissions
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