Lake Toxaway, NC Radon Mitigation and Testing
This mountain resort community in Transylvania County sits on ancient metamorphic bedrock typical of the Blue Ridge Mountains. With limited radon testing data available for the 28747 area, homeowners should prioritize testing given the EPA Zone 1 classification. Mountain homes built into slopes or with walkout basements may be particularly susceptible to radon infiltration from the surrounding granite and gneiss formations.
Based on 1 user-submitted radon test for homes in Lake Toxaway, NC. The EPA recommends taking action at or above 4.0 pCi/L.
Lake Toxaway, NC Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Lake Toxaway, NC Radon Testing
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Lake Toxaway, North Carolina Radon Levels
User-submitted radon test readings from homes in the Lake Toxaway area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 4 pCi/L | Lake Toxaway, NC | — | — | Mar 2026 |
Have a radon test result for Lake Toxaway? Submit your reading to help other homeowners.
Lake Toxaway Radon Facts
Key details about the radon risk profile for Lake Toxaway and the 28747 zip code area.
Lake Toxaway and the 28747 zip code are located in Transylvania County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Lake Toxaway, 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 |