Stone Mountain, GA Radon Levels
Check local Stone Mountain radon levels and find certified testing and mitigation professionals to keep your home safe
Stone Mountain, GA Radon Facts
This Atlanta Metro community in DeKalb County shows an average radon level of 6.0 pCi/L, which exceeds the EPA's 4.0 pCi/L action threshold. Stone Mountain's granite bedrock geology and diverse housing stock across zip codes 30083, 30087, and 30088 contribute to elevated radon potential. Immediate radon mitigation is recommended for homes testing above 4.0 pCi/L to protect residents from long-term health risks.
Based on 2 user-submitted radon tests for homes in Stone Mountain, GA. The EPA recommends taking action at or above 4.0 pCi/L.
Stone Mountain, GA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Stone Mountain, GA Radon Levels
User-submitted radon test readings from homes in the Stone Mountain area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 5 pCi/L | Stone Mountain, GA | 21-50 Years | Full Basement |
| 7 pCi/L | Stone Mountain, GA | 21-50 Years | Partial Basement |
Have a radon test result for Stone Mountain? Submit your reading to help other homeowners.
Radon Readings Near Stone Mountain, GA
Compare radon levels in Stone Mountain with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Avondale Estates | 4.5 mi | 10.00 pCi/L | 1 |
| Decatur | 5.1 mi | 9.00 pCi/L | 1 |
| Lithonia | 6.2 mi | 20.00 pCi/L | 1 |
| Lilburn | 8.4 mi | 7.50 pCi/L | 2 |
| Snellville | 10.4 mi | 8.75 pCi/L | 4 |
| Atlanta | 11.8 mi | 8.80 pCi/L | 5 |
| Conyers | 13.3 mi | 6.00 pCi/L | 1 |
| Grayson | 14.5 mi | 18.00 pCi/L | 1 |
Dekalb County Radon Profile
The bedrock and soils beneath Dekalb 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 5 cities in Dekalb County average 9.50 pCi/L across 10 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 Dekalb County.