Willow City, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Willow City in?

Willow City is in Bottineau County, EPA Zone 1.

Q: How much does radon mitigation cost in Willow City?

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

Bottineau County

EPA Zone 1

Located in Bottineau County near North Dakota's northern border, Willow City sits within EPA Zone 1 - the highest radon potential category - due to the region's uranium-rich glacial deposits and Pierre Shale bedrock. Although specific testing data for zip code 58384 is limited, the area's geological conditions strongly favor radon accumulation, particularly in homes with basements. Professional radon testing and mitigation should be high priorities for all residents in this rural farming community.

Willow City, ND Radon Mitigation

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

Willow City, ND Radon Testing

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

Willow City Radon Facts

Key details about the radon risk profile for Willow City and the 58384 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Bottineau County, ND

Zip Code

58384

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Willow City and the 58384 zip code are located in Bottineau 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 Willow City, ND

What EPA Radon Zone is Willow City in?

Willow City and the 58384 zip code are in Bottineau 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 Willow City?

Radon mitigation in Willow City 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 Willow City?

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