Glen Ullin, ND Radon Levels

Q: What EPA Radon Zone is Glen Ullin in?

Glen Ullin is in Morton County, EPA Zone 1.

Q: How much does radon mitigation cost in Glen Ullin?

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

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

Glen Ullin, ND Radon Facts

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

County Morton County, ND

Zip Code 58631

Positioned in Morton County on North Dakota's western plains, Glen Ullin sits atop Paleocene lignite-bearing formations that create elevated radon potential across this agricultural region. Testing data for zip code 58631 remains limited, making individual home testing essential given the area's EPA Zone 1 classification. Local housing, including both older farmsteads and newer construction, should be evaluated for radon given the underlying geology's uranium content.

Glen Ullin, 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 Glen Ullin, ND

What EPA Radon Zone is Glen Ullin in?

Glen Ullin and the 58631 zip code are in Morton 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 Glen Ullin?

Radon mitigation in Glen Ullin 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 Glen Ullin?

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