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Dillon, MT Radon Levels

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


Dillon, MT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Beaverhead County, MT
Zip Code 59725
Avg. User Level 10.30 pCi/L
User Tests 3

Situated in Beaverhead County in southwestern Montana's mining region, Dillon has recorded an average radon level of 10.33 pCi/L, significantly exceeding the EPA's recommended action level. The area's uranium-bearing granite and volcanic geology contribute to these elevated readings throughout the Beaverhead Valley. Residents in zip code 59725 should treat radon mitigation as a priority given these consistently high test results.

10.30
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Dillon, MT Radon Mitigation

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

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Dillon, MT Radon Levels

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

Radon LevelCityHome AgeFoundation
11 pCi/L Dillon, MT 51-99 Years Full Basement
10 pCi/L Dillon, MT 21-50 Years

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

Radon FAQ for Dillon, MT

What is the average radon level in Dillon, MT?
Based on 3 user-submitted tests, the average radon level in Dillon is 10.30 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 Dillon in?
Dillon and the 59725 zip code are in Beaverhead 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 Dillon?
Radon mitigation in Dillon 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 Dillon?
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