Ryder, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Ryder in?

Ryder is in McLean County, EPA Zone 1.

Q: How much does radon mitigation cost in Ryder?

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

McLean County

EPA Zone 1

Positioned in McLean County in central North Dakota, Ryder occupies EPA Zone 1 where glacial deposits over sedimentary bedrock contribute to high radon potential. Testing data for this rural community in zip code 58779 remains limited, emphasizing the need for individual home testing. North Dakota's uranium-bearing glacial soils and typical full-basement construction create conditions where radon can accumulate to significant levels in residential properties.

Ryder, ND Radon Mitigation

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

Ryder, ND Radon Testing

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

Ryder Radon Facts

Key details about the radon risk profile for Ryder and the 58779 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

McLean County, ND

Zip Code

58779

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Ryder and the 58779 zip code are located in McLean 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 Ryder, ND

What EPA Radon Zone is Ryder in?

Ryder and the 58779 zip code are in McLean 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 Ryder?

Radon mitigation in Ryder 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 Ryder?

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