Warrenville, IL Radon Mitigation and Testing
This DuPage County community in the western Chicago Metro suburbs has recorded an average radon level of 10.0 pCi/L, well above the EPA action threshold. Located in ZIP code 60555, Warrenville sits on glacial till deposits from the Wisconsin glaciation that create highly favorable conditions for radon production and migration. Given this significantly elevated reading, homeowners should prioritize radon testing and mitigation in their predominantly basement-equipped suburban homes.
Based on 2 user-submitted radon tests for homes in Warrenville, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Warrenville, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Warrenville, IL Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Warrenville, Illinois Radon Levels
User-submitted radon test readings from homes in the Warrenville area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 11 pCi/L | Warrenville, IL | 51-99 Years | Full Basement | Feb 2026 |
| 10 pCi/L | Warrenville, IL | 100+ Years | Full Basement | Aug 2017 |
Have a radon test result for Warrenville? Submit your reading to help other homeowners.
Warrenville Radon Facts
Key details about the radon risk profile for Warrenville and the 60555 zip code area.
Warrenville and the 60555 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 Warrenville, 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 |