Alsen, ND Radon Levels

Q: What EPA Radon Zone is Alsen in?

Alsen is in Cavalier County, EPA Zone 1.

Q: How much does radon mitigation cost in Alsen?

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

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

Alsen, ND Radon Facts

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

County Cavalier County, ND

Zip Code 58311

This small community in Cavalier County sits on the glacial lake plain near the Canadian border, where Pleistocene deposits over Pierre Shale create conditions that can produce elevated radon readings. Given the limited testing data available for the 58311 area and North Dakota's designation as a high radon potential state, homeowners should prioritize professional radon testing regardless of foundation type.

Alsen, 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 Alsen, ND

What EPA Radon Zone is Alsen in?

Alsen and the 58311 zip code are in Cavalier 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 Alsen?

Radon mitigation in Alsen 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 Alsen?

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