Zortman, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Zortman in?

Zortman is in Phillips County, EPA Zone 1.

Q: How much does radon mitigation cost in Zortman?

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

Phillips County

EPA Zone 1

Perched in the Little Rocky Mountains of north-central Montana's Phillips County, Zortman is classified as EPA Zone 1 due to the region's uranium-bearing rock formations. Historic gold mining activity in the area has exposed bedrock that can contribute to radon gas production throughout zip code 59546. Testing data for this small mountain community remains limited, making individual home testing important for residents to assess their radon exposure.

Zortman, MT Radon Mitigation

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

Zortman, MT Radon Testing

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

Zortman Radon Facts

Key details about the radon risk profile for Zortman and the 59546 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Phillips County, MT

Zip Code

59546

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Zortman and the 59546 zip code are located in Phillips 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 Zortman, MT

What EPA Radon Zone is Zortman in?

Zortman and the 59546 zip code are in Phillips 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 Zortman?

Radon mitigation in Zortman 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 Zortman?

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