Melville, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Melville in?

Melville is in Sweet Grass County, EPA Zone 2.

Q: How much does radon mitigation cost in Melville?

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

Sweet Grass County

EPA Zone 2

Positioned in Sweet Grass County in south-central Montana, Melville sits in an area where local geology and elevation can influence radon concentrations in zip code 59055. Testing data for this rural community remains limited, making individual home testing the most reliable way to assess radon risk. Montana's diverse geological conditions mean radon levels can vary considerably, even within small communities like Melville.

Melville, MT Radon Mitigation

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

Melville, MT Radon Testing

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

Melville Radon Facts

Key details about the radon risk profile for Melville and the 59055 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Sweet Grass County, MT

Zip Code

59055

Predicted Screening Level

2–4 pCi/L (Zone 2)

Melville and the 59055 zip code are located in Sweet Grass County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Melville, MT

What EPA Radon Zone is Melville in?

Melville and the 59055 zip code are in Sweet Grass County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Melville?

Radon mitigation in Melville 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 Melville?

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