Parshall, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Parshall in?

Parshall is in Mountrail County, EPA Zone 1.

Q: How much does radon mitigation cost in Parshall?

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

Mountrail County

EPA Zone 1

Located in Mountrail County within North Dakota's Williston Basin, Parshall sits on Pierre Shale formations where oil development has brought attention to the area's geology and housing needs. Testing data for zip code 58770 remains limited, though the region's clay-rich soils and newer housing construction related to energy development create unique radon considerations. Homeowners should conduct testing, particularly in newer homes that may lack adequate radon-resistant features despite modern construction.

Parshall, ND Radon Mitigation

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

Parshall, ND Radon Testing

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

Parshall Radon Facts

Key details about the radon risk profile for Parshall and the 58770 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Mountrail County, ND

Zip Code

58770

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Parshall and the 58770 zip code are located in Mountrail 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 Parshall, ND

What EPA Radon Zone is Parshall in?

Parshall and the 58770 zip code are in Mountrail 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 Parshall?

Radon mitigation in Parshall 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 Parshall?

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