Polson, MT Radon Mitigation and Testing

Q: What is the average radon level in Polson, MT?

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Polson in?

Polson is in Lake County, EPA Zone 1.

Q: How much does radon mitigation cost in Polson?

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

Avg: 4.00 pCi/L

Lake County

EPA Zone 1

1 user test

Situated in Lake County near Flathead Lake, Polson rests in Montana's glacial valley terrain where Quaternary deposits over Precambrian bedrock influence radon potential. Current testing data shows an average radon level of 4.0 pCi/L, which meets the EPA action threshold and warrants mitigation consideration. The community's mix of older homes with full basements and newer construction in zip code 59860 makes professional radon testing essential for all residents.

4.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Polson, MT. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Polson, MT Radon Mitigation

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

Polson, MT Radon Testing

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

Polson, Montana Radon Levels

User-submitted radon test readings from homes in the Polson area.

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Polson, MT	51-99 Years	Partial Basement	Dec 2021

Have a radon test result for Polson? Submit your reading to help other homeowners.

Polson Radon Facts

Key details about the radon risk profile for Polson and the 59860 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lake County, MT

Zip Code

59860

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Polson and the 59860 zip code are located in Lake 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 Polson, MT

What is the average radon level in Polson, MT?

Based on 1 user-submitted test, the average radon level in Polson is 4.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Polson in?

Polson and the 59860 zip code are in Lake 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 Polson?

Radon mitigation in Polson 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 Polson?

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