Crystal Lake, IL Radon Mitigation and Testing
Crystal Lake is located in McHenry County, Illinois. With 8 user-submitted readings averaging 7.30 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 60012 zip code.
Based on 8 user-submitted radon tests for homes in Crystal Lake, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Crystal Lake, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Crystal Lake, IL Radon Testing
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Crystal Lake, Illinois Radon Levels
User-submitted radon test readings from homes in the Crystal Lake area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 8 pCi/L | Crystal Lake, IL | 21-50 Years | Full Basement | Nov 2024 |
| 5 pCi/L | Crystal Lake, IL | 0-20 Years | Full Basement | Apr 2024 |
| 7 pCi/L | Crystal Lake, IL | 51-99 Years | Full Basement | Jul 2022 |
| 4 pCi/L | Crystal Lake, IL | 51-99 Years | Full Basement | Feb 2022 |
| 10 pCi/L | Crystal Lake, IL | 0-20 Years | Full Basement | Aug 2020 |
Have a radon test result for Crystal Lake? Submit your reading to help other homeowners.
Crystal Lake Radon Facts
Key details about the radon risk profile for Crystal Lake and the 60012 zip code area.
Crystal Lake and the 60012 zip code are located in McHenry 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 Crystal Lake, 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 |