Calvin, ND Radon Levels
Check local Calvin radon levels and find certified testing and mitigation professionals to keep your home safe
Calvin, ND Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Cavalier County, ND
Zip Code
58323
Positioned in far northern North Dakota's Cavalier County near the Canadian border, Calvin (58323) sits in EPA Zone 1 over glacial deposits and shale bedrock that can generate elevated radon levels. The region's harsh climate and typical basement construction may contribute to radon accumulation during cold months. With limited local testing data available, residents should prioritize radon testing to assess their individual exposure risk.
Calvin, 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 Calvin?
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Radon FAQ for Calvin, ND
What EPA Radon Zone is Calvin in?
Calvin and the 58323 zip code are in Cavalier 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 Calvin?
Radon mitigation in Calvin 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 Calvin?
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 |