Snellville, GA Radon Levels
Check local Snellville radon levels and find certified testing and mitigation professionals to keep your home safe
Snellville, GA Radon Facts
This Gwinnett County community in northeast Atlanta has recorded an average radon level of 8.75 pCi/L, more than double the EPA action threshold. Built on Piedmont granite geology, the area's suburban homes from the 1980s and 1990s often feature partial basements and crawl spaces where radon accumulates. With readings ranging from 3.0 to 20.0 pCi/L across zip codes 30039 and 30078, professional radon testing and mitigation are essential.
Based on 4 user-submitted radon tests for homes in Snellville, GA. The EPA recommends taking action at or above 4.0 pCi/L.
Snellville, GA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Snellville, GA Radon Levels
User-submitted radon test readings from homes in the Snellville area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 3 pCi/L | Snellville, GA | 21-50 Years | Partial Basement |
| 5 pCi/L | Snellville, GA | 21-50 Years | Full Basement |
| 7 pCi/L | Snellville, GA | 0-20 Years | Full Basement |
| 20 pCi/L | Snellville, GA | 0-20 Years | Full Basement |
Have a radon test result for Snellville? Submit your reading to help other homeowners.
Radon Readings Near Snellville, GA
Compare radon levels in Snellville with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Lilburn | 3.7 mi | 7.50 pCi/L | 2 |
| Grayson | 4.5 mi | 18.00 pCi/L | 1 |
| Loganville | 7.3 mi | 7.75 pCi/L | 4 |
| Lawrenceville | 8.1 mi | 4.67 pCi/L | 3 |
| Stone Mountain | 10.4 mi | 6.00 pCi/L | 2 |
| Lithonia | 11.3 mi | 20.00 pCi/L | 1 |
| Conyers | 12.6 mi | 6.00 pCi/L | 1 |
| Dacula | 12.8 mi | 8.00 pCi/L | 1 |
Gwinnett County Radon Profile
The bedrock and soils beneath Gwinnett 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 8 cities in Gwinnett County average 8.80 pCi/L across 15 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 Gwinnett County.