Halliday, ND Radon Levels

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.

Check local Halliday radon levels and find certified testing and mitigation professionals to keep your home safe

Halliday, ND Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Dunn County, ND

Zip Code 58636

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.

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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 in North Dakota with the most user-submitted radon test data, ranked by number of submissions.

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