Delaware, OK Radon Levels
Check local Delaware radon levels and find certified testing and mitigation professionals to keep your home safe
Delaware, OK Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Nowata County, OK
Zip Code
74027
Found in Nowata County in northeastern Oklahoma, Delaware sits in EPA Zone 3 where radon levels are generally lower than national averages. However, the area's diverse geological formations and limited local testing data for zip code 74027 mean individual homes can still experience elevated readings. Homeowners should consider radon testing, particularly in properties with basements or tight construction that could trap radon gas.
Delaware, OK 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 Delaware?
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Radon FAQ for Delaware, OK
What EPA Radon Zone is Delaware in?
Delaware and the 74027 zip code are in Nowata County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
How much does radon mitigation cost in Delaware?
Radon mitigation in Delaware 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 Delaware?
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 Oklahoma
Cities in Oklahoma with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Tulsa | 8.14 pCi/L | 7 |
| Oklahoma City | 7.00 pCi/L | 1 |
| Edmond | 5.00 pCi/L | 1 |