Berthold, ND Radon Levels
Check local Berthold radon levels and find certified testing and mitigation professionals to keep your home safe
Berthold, ND Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Ward County, ND
Zip Code
58718
Located in Ward County in northwestern North Dakota's oil-rich Bakken region, Berthold sits atop Prairie Pothole glacial deposits that can influence radon accumulation. While radon testing data for this community (ZIP 58718) remains limited, North Dakota's geology and severe winter conditions that seal homes tightly make testing especially important for homeowners.
Berthold, 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 Berthold?
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Radon FAQ for Berthold, ND
What EPA Radon Zone is Berthold in?
Berthold and the 58718 zip code are in Ward 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 Berthold?
Radon mitigation in Berthold 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 Berthold?
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 |