Sand Coulee, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Sand Coulee in?

Sand Coulee is in Cascade County, EPA Zone 1.

Q: How much does radon mitigation cost in Sand Coulee?

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

Situated in Cascade County near Great Falls, Sand Coulee sits within Montana's EPA Zone 1 where uranium-bearing rock formations contribute to high radon potential statewide. The area's continental climate and varied housing stock, from historic mining-era homes to modern construction, can influence radon entry patterns. With no current local testing data available, residents in zip code 59472 are encouraged to test their homes professionally to assess radon levels.

Sand Coulee, MT Radon Mitigation

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

Sand Coulee, MT Radon Testing

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

Sand Coulee Radon Facts

Key details about the radon risk profile for Sand Coulee and the 59472 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Cascade County, MT

Zip Code

59472

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Sand Coulee and the 59472 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 Sand Coulee, MT

What EPA Radon Zone is Sand Coulee in?

Sand Coulee and the 59472 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 Sand Coulee?

Radon mitigation in Sand Coulee 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 Sand Coulee?

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