White Earth, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is White Earth in?

White Earth is in Mountrail County, EPA Zone 1.

Q: How much does radon mitigation cost in White Earth?

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

Mountrail County

EPA Zone 1

Situated in Mountrail County in North Dakota's Williston Basin, White Earth sits over Fort Union Formation lignite and sandstone deposits that can contribute to radon production. Current testing data for zip code 58794 is unavailable, making radon testing important for homeowners in this oil-producing region where geological activity may influence gas migration patterns.

White Earth, ND Radon Mitigation

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

White Earth, ND Radon Testing

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

White Earth Radon Facts

Key details about the radon risk profile for White Earth and the 58794 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Mountrail County, ND

Zip Code

58794

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

White Earth and the 58794 zip code are located in Mountrail 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 White Earth, ND

What EPA Radon Zone is White Earth in?

White Earth and the 58794 zip code are in Mountrail 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 White Earth?

Radon mitigation in White Earth 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 White Earth?

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