Maryville, IL Radon Mitigation and Testing
Situated on the Illinois side of the St. Louis metropolitan area, Madison County communities like Maryville face significant radon exposure due to Mississippi River floodplain deposits over underlying limestone bedrock. Local testing data shows an average indoor radon level of 11.0 pCi/L, which substantially exceeds the EPA's 4.0 pCi/L action threshold. Given this elevated risk and the prevalence of homes with basements in zip code 62062, professional radon testing and mitigation should be considered essential for all residents.
Based on 1 user-submitted radon test for homes in Maryville, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Maryville, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Maryville, IL Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Maryville, Illinois Radon Levels
User-submitted radon test readings from homes in the Maryville area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 11 pCi/L | Maryville, IL | 21-50 Years | Full Basement | Nov 2019 |
Have a radon test result for Maryville? Submit your reading to help other homeowners.
Maryville Radon Facts
Key details about the radon risk profile for Maryville and the 62062 zip code area.
Maryville and the 62062 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 Maryville, 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 |