Highland, IL Radon Mitigation and Testing
Situated in Madison County on the Illinois side of the St. Louis Metro area, Highland recorded an average radon level of 6.0 pCi/L based on initial testing. This reading exceeds the EPA action level of 4.0 pCi/L, reflecting the area's Mississippi River floodplain deposits over underlying limestone bedrock that can contribute to elevated indoor radon accumulation.
Based on 1 user-submitted radon test for homes in Highland, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Highland, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Highland, IL Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Highland, Illinois Radon Levels
User-submitted radon test readings from homes in the Highland area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 6 pCi/L | Highland, IL | 0-20 Years | Full Basement | Feb 2018 |
Have a radon test result for Highland? Submit your reading to help other homeowners.
Highland Radon Facts
Key details about the radon risk profile for Highland and the 62249 zip code area.
Highland and the 62249 zip code are located in Madison 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, 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 |