Twin Bridges, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Twin Bridges in?

Twin Bridges is in Madison County, EPA Zone 1.

Q: How much does radon mitigation cost in Twin Bridges?

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

Madison County

EPA Zone 1

Positioned in southwestern Montana's Madison County, Twin Bridges currently shows sparse radon testing data for ZIP 59754 despite the area's high radon potential. Montana's complex geology and prevalence of basements in residential construction create favorable conditions for radon accumulation throughout the state. Local homeowners should prioritize testing, as individual readings can vary significantly even with limited regional data available.

Twin Bridges, MT Radon Mitigation

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

Twin Bridges, MT Radon Testing

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

Twin Bridges Radon Facts

Key details about the radon risk profile for Twin Bridges and the 59754 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Madison County, MT

Zip Code

59754

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Twin Bridges and the 59754 zip code are located in Madison 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 Twin Bridges, MT

What EPA Radon Zone is Twin Bridges in?

Twin Bridges and the 59754 zip code are in Madison 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 Twin Bridges?

Radon mitigation in Twin Bridges 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 Twin Bridges?

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