Plains, MT Radon Levels

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

Based on 2 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is Plains in?

Plains is in Sanders County, EPA Zone 1.

Q: How much does radon mitigation cost in Plains?

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

Check local Plains radon levels and find certified testing and mitigation professionals to keep your home safe

Plains, MT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Sanders County, MT

Zip Code 59859

Avg. User Level 7.00 pCi/L

User Tests 2

Plains in Sanders County shows an average radon level of 7.0 pCi/L, significantly exceeding the EPA action threshold of 4.0 pCi/L. This northwest Montana community (59859) sits in a valley setting where local geological conditions contribute to radon accumulation in homes. The elevated readings from available tests indicate residents should seriously consider radon mitigation, particularly for homes with basement or crawl space foundations.

7.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Plains, MT. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Plains, MT Radon Mitigation

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Plains, MT Radon Levels

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

Radon Level	City	Home Age	Foundation
8 pCi/L	Plains, MT	0-20 Years	No Basement/All Crawl Space
6 pCi/L	Plains, MT	0-20 Years	No Basement/All Crawl Space

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

Radon FAQ for Plains, MT

What is the average radon level in Plains, MT?

Based on 2 user-submitted tests, the average radon level in Plains is 7.00 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 Plains in?

Plains and the 59859 zip code are in Sanders 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 Plains?

Radon mitigation in Plains 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 Plains?

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 in Montana with the most user-submitted radon test data, ranked by number of submissions.

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

Plains, MT Radon Levels

Check local Plains radon levels and find certified testing and mitigation professionals to keep your home safe

Plains, MT Radon Facts

Plains, MT Radon Mitigation

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Plains, MT Radon Levels

Radon FAQ for Plains, MT

Most Active Radon Markets in Montana

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