Havre, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Havre in?

Havre is in Hill County, EPA Zone 1.

Q: How much does radon mitigation cost in Havre?

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

Hill County

EPA Zone 1

Positioned in Hill County along Montana's Hi-Line near the Canadian border, Havre sits atop geological formations that can produce varying radon levels across the northern Great Plains region. The city's diverse housing stock, from historic railroad-era buildings to modern ranch-style homes, represents different construction methods and basement configurations that affect radon accumulation potential. Given the absence of comprehensive testing data for zip code 59501, homeowners should prioritize professional radon testing to establish accurate readings for their specific properties.

Havre, MT Radon Mitigation

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

Havre, MT Radon Testing

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

Havre Radon Facts

Key details about the radon risk profile for Havre and the 59501 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Hill County, MT

Zip Code

59501

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Havre and the 59501 zip code are located in Hill 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 Havre, MT

What EPA Radon Zone is Havre in?

Havre and the 59501 zip code are in Hill 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 Havre?

Radon mitigation in Havre 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 Havre?

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