Malta, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Malta in?

Malta is in Phillips County, EPA Zone 1.

Q: How much does radon mitigation cost in Malta?

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

Phillips County

EPA Zone 1

Malta serves as a rural community in Phillips County in north-central Montana, where EPA Zone 1 designation indicates the highest radon potential. While specific radon testing data for zip code 59538 is currently unavailable, the geological conditions in this region can support elevated radon levels. Homeowners should conduct professional radon testing to determine their individual risk levels.

Malta, MT Radon Mitigation

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

Malta, MT Radon Testing

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

Malta Radon Facts

Key details about the radon risk profile for Malta and the 59538 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Phillips County, MT

Zip Code

59538

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Malta and the 59538 zip code are located in Phillips 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 Malta, MT

What EPA Radon Zone is Malta in?

Malta and the 59538 zip code are in Phillips 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 Malta?

Radon mitigation in Malta 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 Malta?

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