Black Mountain, NC Radon Levels
Check local Black Mountain radon levels and find certified testing and mitigation professionals to keep your home safe
Black Mountain, NC Radon Facts
Located in Buncombe County within the Asheville Metro area, Black Mountain has recorded an average radon level of 6.33 pCi/L based on recent testing. This reading exceeds the EPA action level of 4.0 pCi/L, reflecting the elevated radon potential common in North Carolina's mountain regions. Residents of zip code 28711 should consider radon testing, particularly in homes with basements or lower-level living spaces.
Based on 3 user-submitted radon tests for homes in Black Mountain, NC. The EPA recommends taking action at or above 4.0 pCi/L.
Black Mountain, NC Radon Mitigation
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Black Mountain, NC Radon Levels
User-submitted radon test readings from homes in the Black Mountain area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Black Mountain, NC | 21-50 Years | Full Basement |
| 8 pCi/L | Black Mountain, NC | 21-50 Years | Full Basement |
| 4 pCi/L | Black Mountain, NC | 21-50 Years | Full Basement |
Have a radon test result for Black Mountain? Submit your reading to help other homeowners.
Radon Readings Near Black Mountain, NC
Compare radon levels in Black Mountain with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Swannanoa | 6.7 mi | 10.00 pCi/L | 1 |
| Old Fort | 6.9 mi | 4.00 pCi/L | 1 |
| Fairview | 7.9 mi | 4.00 pCi/L | 1 |
| Lake Lure | 12.3 mi | 10.00 pCi/L | 1 |
| Mill Spring | 19.8 mi | 4.00 pCi/L | 1 |
| Union Mills | 20.1 mi | 6.00 pCi/L | 1 |
| Hendersonville | 20.8 mi | 9.00 pCi/L | 2 |
| Burnsville | 21.0 mi | 20.00 pCi/L | 1 |
Buncombe County Radon Profile
The bedrock and soils beneath Buncombe County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 4 cities in Buncombe County average 6.50 pCi/L across 6 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Buncombe County.