Cavalier, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Cavalier in?

Cavalier is in Pembina County, EPA Zone 1.

Q: How much does radon mitigation cost in Cavalier?

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

Pembina County

EPA Zone 1

Located near the Canadian border in Pembina County, Cavalier sits on glacial till deposits that can produce elevated radon levels despite the northern location. The small community features primarily single-family homes with full basements, built to withstand harsh northern winters but potentially prone to radon accumulation. With no current testing data available for zip code 58220, residents should test their homes given North Dakota's generally elevated radon potential.

Cavalier, ND Radon Mitigation

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

Cavalier, ND Radon Testing

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

Cavalier Radon Facts

Key details about the radon risk profile for Cavalier and the 58220 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Pembina County, ND

Zip Code

58220

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Cavalier and the 58220 zip code are located in Pembina 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 Cavalier, ND

What EPA Radon Zone is Cavalier in?

Cavalier and the 58220 zip code are in Pembina 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 Cavalier?

Radon mitigation in Cavalier 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 Cavalier?

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