Marshall, ND Radon Levels
Check local Marshall radon levels and find certified testing and mitigation professionals to keep your home safe
Marshall, ND Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Dunn County, ND
Zip Code
58644
Located in Dunn County in western North Dakota, Marshall sits within the Williston Basin's oil-producing region where sedimentary rock formations can contribute to variable radon conditions. While comprehensive testing data remains limited for the 58644 area, homeowners should conduct radon testing given the region's geological characteristics. North Dakota's continental climate and typical basement construction in rural areas make regular radon monitoring particularly important.
Marshall, 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 Marshall?
- 100% Free, No-Obligation Quotes
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1-800-299-3578
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Radon FAQ for Marshall, ND
What EPA Radon Zone is Marshall in?
Marshall and the 58644 zip code are in Dunn 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 Marshall?
Radon mitigation in Marshall 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 Marshall?
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 |