Murphysboro, IL Radon Mitigation and Testing
Positioned along the Big Muddy River in Jackson County, Murphysboro has recorded a 10.0 pCi/L average radon level based on limited testing data, significantly exceeding the EPA's 4.0 pCi/L action threshold. The underlying Pennsylvanian-era shale and limestone formations characteristic of southern Illinois contribute to elevated radon potential throughout the 62966 zip code. Given this concerning reading, homeowners should prioritize professional radon testing and consider mitigation systems where needed.
Based on 1 user-submitted radon test for homes in Murphysboro, IL. The EPA recommends taking action at or above 4.0 pCi/L.
Murphysboro, IL Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Murphysboro, IL Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Murphysboro, Illinois Radon Levels
User-submitted radon test readings from homes in the Murphysboro area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 10 pCi/L | Murphysboro, IL | 0-20 Years | Full Basement | Oct 2025 |
Have a radon test result for Murphysboro? Submit your reading to help other homeowners.
Murphysboro Radon Facts
Key details about the radon risk profile for Murphysboro and the 62966 zip code area.
Murphysboro and the 62966 zip code are located in Jackson 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 Murphysboro, 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 |