Capitol, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Capitol in?

Capitol is in Carter County, EPA Zone 1.

Q: How much does radon mitigation cost in Capitol?

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

Carter County

EPA Zone 1

This remote community in Carter County sits on the sedimentary formations of southeastern Montana's high plains. Radon testing data for the 59319 zip code remains limited, making professional testing essential for area homeowners. Montana's diverse geology, from sandstone to shale formations, can create varying radon conditions even in sparsely populated rural areas.

Capitol, MT Radon Mitigation

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

Capitol, MT Radon Testing

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

Capitol Radon Facts

Key details about the radon risk profile for Capitol and the 59319 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Carter County, MT

Zip Code

59319

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Capitol and the 59319 zip code are located in Carter 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 Capitol, MT

What EPA Radon Zone is Capitol in?

Capitol and the 59319 zip code are in Carter 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 Capitol?

Radon mitigation in Capitol 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 Capitol?

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