Dekalb, IL Radon Mitigation and Testing
Home to Northern Illinois University in DeKalb County, DeKalb shows concerning radon levels with an average of 8.75 pCi/L that significantly exceeds EPA recommendations. The area's glacial till deposits from Wisconsin glaciation create ideal conditions for radon production and migration into homes. Most properties in zip code 60115 feature full basements typical of Chicago Metro area construction, where radon readily accumulates.
Based on 4 user-submitted radon tests for homes in Dekalb, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Dekalb, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Dekalb, IL Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Dekalb, Illinois Radon Levels
User-submitted radon test readings from homes in the Dekalb area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 7 pCi/L | Dekalb, IL | 21-50 Years | — | Nov 2024 |
| 14 pCi/L | Dekalb, IL | 0-20 Years | Partial Basement | Jul 2023 |
| 6 pCi/L | Dekalb, IL | 0-20 Years | Full Basement | Sep 2020 |
| 8 pCi/L | Dekalb, IL | 100+ Years | Full Basement | Jul 2020 |
Have a radon test result for Dekalb? Submit your reading to help other homeowners.
Dekalb Radon Facts
Key details about the radon risk profile for Dekalb and the 60115 zip code area.
Dekalb and the 60115 zip code are located in Dekalb County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Dekalb, 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 |