Dillon, MT Radon Mitigation and Testing

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

Based on 3 user-submitted tests, the average radon level is 10.30 pCi/L.

Q: What EPA Radon Zone is Dillon in?

Dillon is in Beaverhead County, EPA Zone 1.

Q: How much does radon mitigation cost in Dillon?

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

Avg: 10.30 pCi/L

Beaverhead County

EPA Zone 1

3 user tests

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.

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.

Dillon, MT Radon Testing

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

Dillon, Montana Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
11 pCi/L	Dillon, MT	51-99 Years	Full Basement	Aug 2020
10 pCi/L	Dillon, MT	21-50 Years	—	Jun 2019

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

Dillon Radon Facts

Key details about the radon risk profile for Dillon and the 59725 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Beaverhead County, MT

Zip Code

59725

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

10.30 pCi/L

User Tests Submitted

Dillon and the 59725 zip code are located in Beaverhead 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 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 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