Irwin, OH Radon Levels
Check local Irwin radon levels and find certified testing and mitigation professionals to keep your home safe
Irwin, OH Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Union County, OH
Zip Code
43029
Part of Union County within the Columbus Metro area, Irwin benefits from EPA Zone 1's high radon potential classification due to Ohio's glacial till deposits over limestone and shale bedrock. Testing data for the 43029 ZIP code remains limited, emphasizing the importance of individual home testing for residents. The central Ohio region's dense clay soils and underlying Devonian limestone can create conditions favorable for radon accumulation in basements and lower levels.
Irwin, OH 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 Irwin?
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Radon FAQ for Irwin, OH
What EPA Radon Zone is Irwin in?
Irwin and the 43029 zip code are in Union 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 Irwin?
Radon mitigation in Irwin 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 Irwin?
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 Ohio
Cities in Ohio with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Marietta | 8.00 pCi/L | 5 |
| Cincinnati | 5.20 pCi/L | 5 |
| Hilliard | 11.75 pCi/L | 4 |
| Wilmington | 5.25 pCi/L | 4 |
| Newark | 15.00 pCi/L | 3 |
| Athens | 11.33 pCi/L | 3 |
| Findlay | 10.33 pCi/L | 3 |
| Perrysburg | 9.67 pCi/L | 3 |
| Powell | 8.33 pCi/L | 3 |
| Columbus | 6.00 pCi/L | 3 |