Davenport, ND Radon Levels
Check local Davenport radon levels and find certified testing and mitigation professionals to keep your home safe
Davenport, ND Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Cass County, ND
Zip Code
58021
Located in Cass County within the Fargo Metro area, Davenport sits on the Red River Valley's glacial lake deposits, which generally result in lower radon potential despite the EPA Zone 1 designation. Testing data for zip code 58021 is currently limited, making individual home assessment important for residents. The area's relatively newer construction and clay-rich soils may help reduce radon entry, though testing remains the only reliable method to determine actual levels.
Davenport, 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 Davenport?
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1-800-299-3578
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Radon FAQ for Davenport, ND
What EPA Radon Zone is Davenport in?
Davenport and the 58021 zip code are in Cass 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 Davenport?
Radon mitigation in Davenport 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 Davenport?
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 |