Ashley, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Ashley in?

Ashley is in McIntosh County, EPA Zone 1.

Q: How much does radon mitigation cost in Ashley?

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

McIntosh County

EPA Zone 1

Positioned in southeastern North Dakota's McIntosh County, Ashley sits on glacial lake deposits and till that can trap radon gas from underlying Pierre Shale formations. While testing data for zip code 58413 is currently unavailable, the region's geological composition suggests significant radon potential. North Dakota's high radon levels statewide make professional testing essential for all homes, regardless of foundation type or construction era.

Ashley, ND Radon Mitigation

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

Ashley, ND Radon Testing

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

Ashley Radon Facts

Key details about the radon risk profile for Ashley and the 58413 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

McIntosh County, ND

Zip Code

58413

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Ashley and the 58413 zip code are located in McIntosh 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 Ashley, ND

What EPA Radon Zone is Ashley in?

Ashley and the 58413 zip code are in McIntosh 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 Ashley?

Radon mitigation in Ashley 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 Ashley?

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