Cathay, ND Radon Levels

Q: What EPA Radon Zone is Cathay in?

Cathay is in Wells County, EPA Zone 1.

Q: How much does radon mitigation cost in Cathay?

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

Check local Cathay radon levels and find certified testing and mitigation professionals to keep your home safe

Cathay, ND Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Wells County, ND

Zip Code 58422

Rural Wells County community Cathay sits across North Dakota's glacial prairie where ancient lake deposits and till create highly variable soil conditions. Testing data for the 58422 zip code area remains limited, making individual home testing essential for residents. The area's predominantly older farmsteads and grain elevator town housing, most with full basements, should be evaluated for radon accumulation.

Cathay, ND Radon Mitigation

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

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Radon FAQ for Cathay, ND

What EPA Radon Zone is Cathay in?

Cathay and the 58422 zip code are in Wells 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 Cathay?

Radon mitigation in Cathay 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 Cathay?

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 in North Dakota with the most user-submitted radon test data, ranked by number of submissions.

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