Benson, NC Radon Mitigation and Testing
Benson rests in Johnston County as part of the Raleigh Metro area, recording an average radon level of 5.0 pCi/L, which exceeds the EPA's recommended action threshold. The town's location in North Carolina's Coastal Plain transition zone features varied soil types over underlying sedimentary formations that can produce moderate radon levels. Homeowners in zip code 27504 should consider radon testing and mitigation given this elevated reading, particularly in homes with basements or crawl space foundations where radon can accumulate.
Based on 1 user-submitted radon test for homes in Benson, NC. The EPA recommends taking action at or above 4.0 pCi/L.
Benson, NC Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Benson, NC Radon Testing
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Benson, North Carolina Radon Levels
User-submitted radon test readings from homes in the Benson area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 5 pCi/L | Benson, NC | 21-50 Years | No Basement/All Slab | Oct 2025 |
Have a radon test result for Benson? Submit your reading to help other homeowners.
Benson Radon Facts
Key details about the radon risk profile for Benson and the 27504 zip code area.
Benson and the 27504 zip code are located in Johnston County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Benson, NC
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Most Active Radon Markets in North Carolina
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Murphy | 12.83 pCi/L | 6 |
| Blowing Rock | 10.17 pCi/L | 6 |
| Brevard | 7.50 pCi/L | 4 |
| Cary | 5.00 pCi/L | 4 |
| Highlands | 4.50 pCi/L | 4 |
| Mooresville | 4.00 pCi/L | 4 |
| Banner Elk | 9.33 pCi/L | 3 |
| Charlotte | 7.33 pCi/L | 3 |
| Denver | 4.33 pCi/L | 3 |
| Hendersonville | 9.00 pCi/L | 2 |
| Wake Forest | 4.50 pCi/L | 2 |
| Apex | 3.50 pCi/L | 2 |
| Huntersville | 3.50 pCi/L | 2 |
| Raleigh | 9.00 pCi/L | 1 |
| Fayetteville | 5.00 pCi/L | 1 |
| Waxhaw | 4.00 pCi/L | 1 |
| Chapel Hill | 3.00 pCi/L | 1 |
| Clayton | No submissions | 0 |
| Fuquay Varina | No submissions | 0 |
| Holly Springs | No submissions | 0 |