Halliday, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Halliday in?

Halliday is in Dunn County, EPA Zone 1.

Q: How much does radon mitigation cost in Halliday?

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

Dunn County

EPA Zone 1

Nestled in western North Dakota's Dunn County, Halliday sits atop sedimentary formations and oil-bearing shales that can contribute to elevated radon potential in some areas. Testing data remains limited for this 58636 community, making individual home assessment particularly important given North Dakota's EPA Zone 1 classification. The area's continental climate and varying soil conditions can influence how radon accumulates in residential spaces.

Halliday, ND Radon Mitigation

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

Halliday, ND Radon Testing

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

Halliday Radon Facts

Key details about the radon risk profile for Halliday and the 58636 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Dunn County, ND

Zip Code

58636

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Halliday and the 58636 zip code are located in Dunn 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 Halliday, ND

What EPA Radon Zone is Halliday in?

Halliday and the 58636 zip code are in Dunn 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 Halliday?

Radon mitigation in Halliday 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 Halliday?

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