Sweet Grass, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Sweet Grass in?

Sweet Grass is in Toole County, EPA Zone 1.

Q: How much does radon mitigation cost in Sweet Grass?

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

Toole County

EPA Zone 1

Sweet Grass, MT resides in Toole 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. Testing is recommended for all homes in the 59484 zip code area.

Sweet Grass, MT Radon Mitigation

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

Sweet Grass, MT Radon Testing

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

Sweet Grass Radon Facts

Key details about the radon risk profile for Sweet Grass and the 59484 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Toole County, MT

Zip Code

59484

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Sweet Grass and the 59484 zip code are located in Toole 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 Sweet Grass, MT

What EPA Radon Zone is Sweet Grass in?

Sweet Grass and the 59484 zip code are in Toole 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 Sweet Grass?

Radon mitigation in Sweet Grass 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 Sweet Grass?

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