Sentinel Butte, ND Radon Mitigation and Testing

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.

Golden Valley County

EPA Zone 1

Sentinel Butte, ND resides 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. Testing is recommended for all homes in the 58654 zip code area.

Sentinel Butte, ND Radon Mitigation

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

Sentinel Butte, ND Radon Testing

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

Sentinel Butte Radon Facts

Key details about the radon risk profile for Sentinel Butte and the 58654 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Golden Valley County, ND

Zip Code

58654

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

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