Holly Ridge, NC Radon Mitigation and Testing
Holly Ridge, NC resides in Onslow County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. Testing is recommended for all homes in the 28445 zip code area.
Holly Ridge, NC Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Holly Ridge, NC Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Holly Ridge Radon Facts
Key details about the radon risk profile for Holly Ridge and the 28445 zip code area.
Holly Ridge and the 28445 zip code are located in Onslow 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 Holly Ridge, 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 |