Arnegard, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Arnegard in?

Arnegard is in McKenzie County, EPA Zone 1.

Q: How much does radon mitigation cost in Arnegard?

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

Located in McKenzie County in western North Dakota, Arnegard sits atop the Williston Basin formation where oil-bearing shales can contribute to elevated radon potential in the region. Testing data for zip code 58835 remains limited, but North Dakota's geology consistently produces high radon readings statewide. The combination of uranium-rich Pierre Shale and tight home construction in this climate makes radon testing essential for all residents.

Arnegard, ND Radon Mitigation

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

Arnegard, ND Radon Testing

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

Arnegard Radon Facts

Key details about the radon risk profile for Arnegard and the 58835 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

McKenzie County, ND

Zip Code

58835

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Arnegard and the 58835 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 Arnegard, ND

What EPA Radon Zone is Arnegard in?

Arnegard and the 58835 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 Arnegard?

Radon mitigation in Arnegard 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 Arnegard?

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