Grassy Butte, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Grassy Butte in?

Grassy Butte is in McKenzie County, EPA Zone 1.

Q: How much does radon mitigation cost in Grassy Butte?

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

McKenzie County

EPA Zone 1

Situated in the Badlands region of McKenzie County, Grassy Butte's zip code 58634 encompasses oil field country built on Fort Union Formation sediments and glacial deposits. The community's housing includes both traditional ranch homes and newer housing for energy workers, typically featuring partial basements or slab foundations adapted to the prairie environment. Testing data remains limited, so residents should conduct radon measurements to understand their specific exposure levels.

Grassy Butte, ND Radon Mitigation

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

Grassy Butte, ND Radon Testing

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

Grassy Butte Radon Facts

Key details about the radon risk profile for Grassy Butte and the 58634 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

McKenzie County, ND

Zip Code

58634

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Grassy Butte and the 58634 zip code are located in McKenzie 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 Grassy Butte, ND

What EPA Radon Zone is Grassy Butte in?

Grassy Butte and the 58634 zip code are in McKenzie 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 Grassy Butte?

Radon mitigation in Grassy Butte 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 Grassy Butte?

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 North Dakota

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Grand Forks	13.50 pCi/L	8
Grafton	7.67 pCi/L	3
Dickinson	6.00 pCi/L	3
Watford City	5.50 pCi/L	2
Bismarck	No submissions	0