Langdon, ND Radon Levels
Check local Langdon radon levels and find certified testing and mitigation professionals to keep your home safe
Langdon, ND Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Cavalier County, ND
Zip Code
58249
Located in Cavalier County near the Canadian border, Langdon sits on glacial till deposits over shale bedrock that can contribute to significant radon potential across northern North Dakota. Testing data for zip code 58249 is currently limited, but the county's geology suggests homeowners should prioritize radon testing. The area's prairie conditions and basement-heavy housing stock make professional assessment particularly important.
Langdon, 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 Langdon?
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1-800-299-3578
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Radon FAQ for Langdon, ND
What EPA Radon Zone is Langdon in?
Langdon and the 58249 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 Langdon?
Radon mitigation in Langdon 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 Langdon?
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 |