Belt, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Belt in?

Belt is in Cascade County, EPA Zone 1.

Q: How much does radon mitigation cost in Belt?

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

Cascade County

EPA Zone 1

This small Cascade County community in north-central Montana lies within EPA Zone 1, indicating high radon potential across the region. Belt's location near the Little Belt Mountains, with underlying sedimentary rock formations, creates geological conditions that can contribute to elevated radon levels. Testing data for zip code 59412 is currently limited, so homeowners are strongly encouraged to conduct radon testing regardless of home age or foundation type.

Belt, MT Radon Mitigation

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

Belt, MT Radon Testing

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

Belt Radon Facts

Key details about the radon risk profile for Belt and the 59412 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Cascade County, MT

Zip Code

59412

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Belt and the 59412 zip code are located in Cascade 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 Belt, MT

What EPA Radon Zone is Belt in?

Belt and the 59412 zip code are in Cascade 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 Belt?

Radon mitigation in Belt 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 Belt?

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