Dagmar, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Dagmar in?

Dagmar is in Sheridan County, EPA Zone 1.

Q: How much does radon mitigation cost in Dagmar?

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

Sheridan County

EPA Zone 1

Located in Sheridan County in northeastern Montana, Dagmar sits on the northern Great Plains where sedimentary formations can produce elevated radon levels. Testing data for ZIP code 59219 remains limited, making professional assessment important for area homeowners. Montana's continental climate and typical basement construction in rural homes can lead to seasonal variations in radon concentrations.

Dagmar, MT Radon Mitigation

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

Dagmar, MT Radon Testing

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

Dagmar Radon Facts

Key details about the radon risk profile for Dagmar and the 59219 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Sheridan County, MT

Zip Code

59219

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Dagmar and the 59219 zip code are located in Sheridan 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 Dagmar, MT

What EPA Radon Zone is Dagmar in?

Dagmar and the 59219 zip code are in Sheridan 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 Dagmar?

Radon mitigation in Dagmar 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 Dagmar?

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