Glendive, MT Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 9.00 pCi/L.

Q: What EPA Radon Zone is Glendive in?

Glendive is in Dawson County, EPA Zone 1.

Q: How much does radon mitigation cost in Glendive?

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

Avg: 9.00 pCi/L

Dawson County

EPA Zone 1

1 user test

Positioned along the Yellowstone River in eastern Montana's Dawson County, Glendive sits on sedimentary formations that contribute to the region's high radon potential. The community's average radon level of 9.0 pCi/L more than doubles the EPA action level, reflecting Montana's uranium-rich geology and glacial deposits. Residents in zip code 59330 should prioritize radon mitigation systems, particularly in homes with basements or lower-level living spaces.

9.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Glendive, MT Radon Mitigation

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

Glendive, MT Radon Testing

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

Glendive, Montana Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Glendive, MT	51-99 Years	Full Basement	Mar 2025

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

Glendive Radon Facts

Key details about the radon risk profile for Glendive and the 59330 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Dawson County, MT

Zip Code

59330

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

9.00 pCi/L

User Tests Submitted

Glendive and the 59330 zip code are located in Dawson 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 Glendive, MT

What is the average radon level in Glendive, MT?

Based on 1 user-submitted test, the average radon level in Glendive is 9.00 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 Glendive in?

Glendive and the 59330 zip code are in Dawson 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 Glendive?

Radon mitigation in Glendive 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 Glendive?

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