Alzada, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Alzada in?

Alzada is in Carter County, EPA Zone 1.

Q: How much does radon mitigation cost in Alzada?

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

Carter County

EPA Zone 1

Remote Carter County community Alzada sits in EPA Zone 1, where uranium-bearing sedimentary rocks can produce significant radon concentrations. Testing data for zip code 59311 is currently unavailable, making radon testing particularly important given the area's high-risk geological classification. The sparse housing consists primarily of ranch properties and rural homes, many with partial basements or crawl spaces that can trap radon gas.

Alzada, MT Radon Mitigation

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

Alzada, MT Radon Testing

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

Alzada Radon Facts

Key details about the radon risk profile for Alzada and the 59311 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Carter County, MT

Zip Code

59311

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Alzada and the 59311 zip code are located in Carter 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 Alzada, MT

What EPA Radon Zone is Alzada in?

Alzada and the 59311 zip code are in Carter 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 Alzada?

Radon mitigation in Alzada 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 Alzada?

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