Underwood, ND Radon Levels

Q: What EPA Radon Zone is Underwood in?

Underwood is in McLean County, EPA Zone 1.

Q: How much does radon mitigation cost in Underwood?

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

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

Underwood, ND Radon Facts

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

County McLean County, ND

Zip Code 58576

Situated in central North Dakota's McLean County, Underwood sits on glacial till over sedimentary bedrock where uranium-bearing formations can contribute to elevated radon levels. Current testing data for the community is insufficient to determine specific local radon patterns. With North Dakota's EPA Zone 1 classification indicating high radon potential, homeowners in zip code 58576 should conduct regular radon testing.

Underwood, ND Radon Mitigation

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

Need Radon Mitigation or Testing in Underwood?

100% Free, No-Obligation Quotes
Matches You with State-Licensed McLean County Pros

1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon FAQ for Underwood, ND

What EPA Radon Zone is Underwood in?

Underwood and the 58576 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 Underwood?

Radon mitigation in Underwood 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 Underwood?

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