Oak Brook, IL Radon Mitigation and Testing
Residents of Oak Brook in DuPage County face elevated radon concerns, with local testing revealing an average level of 10.0 pCi/L that significantly exceeds EPA action thresholds. This suburban Chicago Metro community sits atop glacial till deposits over limestone bedrock, conditions that strongly favor radon production and accumulation. Given these elevated readings and the area's predominantly single-family homes with full basements, homeowners in zip code 60523 should prioritize professional radon mitigation.
Based on 1 user-submitted radon test for homes in Oak Brook, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Oak Brook, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Oak Brook, IL Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Oak Brook, Illinois Radon Levels
User-submitted radon test readings from homes in the Oak Brook area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 10 pCi/L | Oak Brook, IL | 51-99 Years | Full Basement | Feb 2021 |
Have a radon test result for Oak Brook? Submit your reading to help other homeowners.
Oak Brook Radon Facts
Key details about the radon risk profile for Oak Brook and the 60523 zip code area.
Oak Brook and the 60523 zip code are located in Dupage County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Oak Brook, IL
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Most Active Radon Markets in Illinois
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Buffalo Grove | 6.10 pCi/L | 10 |
| Crystal Lake | 7.25 pCi/L | 8 |
| Lake Zurich | 6.00 pCi/L | 7 |
| Grayslake | 5.00 pCi/L | 7 |
| New Lenox | 10.17 pCi/L | 6 |
| Park Ridge | 7.00 pCi/L | 6 |
| Arlington Heights | 6.17 pCi/L | 6 |
| Waterloo | 9.20 pCi/L | 5 |
| Palatine | 7.80 pCi/L | 5 |
| Round Lake | 7.80 pCi/L | 5 |
| Northbrook | 6.20 pCi/L | 5 |
| Mchenry | 11.00 pCi/L | 4 |
| Dekalb | 8.75 pCi/L | 4 |
| Columbia | 8.00 pCi/L | 4 |
| Lisle | 7.25 pCi/L | 4 |
| Normal | 7.25 pCi/L | 4 |
| Antioch | 7.00 pCi/L | 4 |
| Elk Grove Village | 7.00 pCi/L | 4 |
| Aurora | 6.75 pCi/L | 4 |
| Hoffman Estates | 6.75 pCi/L | 4 |