Murphysboro, IL Radon Levels
Check local Murphysboro radon levels and find certified testing and mitigation professionals to keep your home safe
Murphysboro, IL Radon Facts
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.
Need Radon Mitigation or Testing in Murphysboro?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Jackson County Pros
Murphysboro, IL Radon Levels
User-submitted radon test readings from homes in the Murphysboro area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 10 pCi/L | Murphysboro, IL | 0-20 Years | Full Basement |
Have a radon test result for Murphysboro? Submit your reading to help other homeowners.
Radon Readings Near Murphysboro, IL
Compare radon levels in Murphysboro with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Campbell Hill | 17.4 mi | 1.00 pCi/L | 1 |
| Marion | 22.2 mi | 5.00 pCi/L | 1 |
| Marissa | 40.2 mi | 4.00 pCi/L | 1 |
| Mount Vernon | 44.5 mi | 4.00 pCi/L | 1 |
Jackson County Radon Profile
EPA mapping assigns Jackson County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 2 cities in Jackson County average 5.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Jackson County home regardless of zone or a neighbor's results.