Highland Park, IL Radon Mitigation and Testing
Highland Park is positioned along the northern suburban corridor of the Chicago metro in Lake County, where glacial till deposits from the Wisconsin glaciation create soil conditions highly favorable for radon gas production. Recent testing shows an average radon level of 10.0 pCi/L, well above the EPA action threshold. The community's predominantly single-family homes with full poured-concrete basements provide enclosed below-grade spaces where radon accumulates most readily.
Based on 3 user-submitted radon tests for homes in Highland Park, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Highland Park, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Highland Park, IL Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Highland Park, Illinois Radon Levels
User-submitted radon test readings from homes in the Highland Park area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 15 pCi/L | Highland Park, IL | 51-99 Years | Full Basement | Jun 2024 |
| 8 pCi/L | Highland Park, IL | 21-50 Years | Full Basement | Sep 2020 |
| 7 pCi/L | Highland Park, IL | 21-50 Years | Full Basement | Aug 2020 |
Have a radon test result for Highland Park? Submit your reading to help other homeowners.
Highland Park Radon Facts
Key details about the radon risk profile for Highland Park and the 60035 zip code area.
Highland Park and the 60035 zip code are located in Lake 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 Highland Park, 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 |