Sentinel Butte, ND Radon Levels

Q: What EPA Radon Zone is Sentinel Butte in?

Sentinel Butte is in Golden Valley County, EPA Zone 1.

Q: How much does radon mitigation cost in Sentinel Butte?

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

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

Sentinel Butte, ND Radon Facts

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

County Golden Valley County, ND

Zip Code 58654

This small Golden Valley County community sits within North Dakota's badlands region, where Fort Union Formation lignite and sandstone can create variable radon conditions. Housing consists mainly of scattered ranch homes and farmsteads, typically built on slab foundations or minimal basements suited to the challenging prairie climate. Testing data is not available for zip code 58654, but given North Dakota's generally elevated radon potential and the area's sedimentary geology, homeowners should prioritize radon testing to understand their individual risk.

Sentinel Butte, 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 Sentinel Butte, ND

What EPA Radon Zone is Sentinel Butte in?

Sentinel Butte and the 58654 zip code are in Golden Valley 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 Sentinel Butte?

Radon mitigation in Sentinel Butte 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 Sentinel Butte?

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