Knox, ND Radon Levels
Check local Knox radon levels and find certified testing and mitigation professionals to keep your home safe
Knox, ND Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Benson County, ND
Zip Code
58343
Located in Benson County within North Dakota's prairie pothole region, Knox sits on glacial till deposits that can influence subsurface gas movement. Testing data for zip code 58343 remains limited, so homeowners should conduct radon testing to determine their individual exposure levels, particularly important given the state's generally elevated radon potential.
Knox, 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 Knox?
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1-800-299-3578
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Radon FAQ for Knox, ND
What EPA Radon Zone is Knox in?
Knox and the 58343 zip code are in Benson 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 Knox?
Radon mitigation in Knox 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 Knox?
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 |