White Sulphur Springs, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is White Sulphur Springs in?

White Sulphur Springs is in Meagher County, EPA Zone 1.

Q: How much does radon mitigation cost in White Sulphur Springs?

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

Meagher County

EPA Zone 1

Nestled in the mountains of Meagher County, White Sulphur Springs sits in central Montana where granite bedrock and uranium-bearing formations can contribute to elevated radon levels. The area's housing includes historic mining-era buildings and ranch homes, many with partial basements or crawl spaces built to withstand harsh mountain winters. Although specific testing data for the 59645 zip code is currently limited, Montana's geological conditions and high radon potential make professional testing essential for all local homeowners.

White Sulphur Springs, MT Radon Mitigation

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

White Sulphur Springs, MT Radon Testing

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

White Sulphur Springs Radon Facts

Key details about the radon risk profile for White Sulphur Springs and the 59645 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Meagher County, MT

Zip Code

59645

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

White Sulphur Springs and the 59645 zip code are located in Meagher 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 White Sulphur Springs, MT

What EPA Radon Zone is White Sulphur Springs in?

White Sulphur Springs and the 59645 zip code are in Meagher 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 White Sulphur Springs?

Radon mitigation in White Sulphur Springs 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 White Sulphur Springs?

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