Mount Holly, NC Radon Levels
Check local Mount Holly radon levels and find certified testing and mitigation professionals to keep your home safe
Mount Holly, NC Radon Facts
Nestled in Gaston County within the Charlotte Metro area, Mount Holly shows an average radon level of 3.0 pCi/L based on available testing data. This reading falls within EPA recommended ranges but testing remains important, as the area's mixed Piedmont geology of granite and metamorphic rocks can produce variable radon conditions. Homes in zip code 28120 reflect the region's typical split-level and basement construction that can influence radon accumulation patterns.
Based on 1 user-submitted radon test for homes in Mount Holly, NC. The EPA recommends taking action at or above 4.0 pCi/L.
Mount Holly, NC Radon Mitigation
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Mount Holly, NC Radon Levels
User-submitted radon test readings from homes in the Mount Holly area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 3 pCi/L | Mount Holly, NC | 0-20 Years | No Basement/All Slab |
Have a radon test result for Mount Holly? Submit your reading to help other homeowners.
Radon Readings Near Mount Holly, NC
Compare radon levels in Mount Holly with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Gastonia | 8.9 mi | 3.00 pCi/L | 1 |
| Dallas | 8.9 mi | 3.00 pCi/L | 1 |
| Huntersville | 11.0 mi | 3.50 pCi/L | 2 |
| Denver | 12.1 mi | 4.33 pCi/L | 3 |
| Charlotte | 13.2 mi | 7.33 pCi/L | 3 |
| Cornelius | 14.3 mi | 4.00 pCi/L | 1 |
| Lincolnton | 14.7 mi | 6.00 pCi/L | 1 |
| Cherryville | 18.6 mi | 13.33 pCi/L | 3 |
Gaston County Radon Profile
EPA mapping assigns Gaston 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 4 cities in Gaston County average 8.17 pCi/L across 6 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 Gaston County home regardless of zone or a neighbor's results.