| # | County | EPA radon zone |
|---|---|---|
| 1 | Appling County | 3 |
| 2 | Atkinson County | 3 |
| 3 | Bacon County | 3 |
| 4 | Baker County | 3 |
| 5 | Baldwin County | 3 |
| 6 | Ben Hill County | 3 |
| 7 | Berrien County | 3 |
| 8 | Bibb County | 3 |
| 9 | Bleckley County | 3 |
| 10 | Brantley County | 3 |
| 11 | Brooks County | 3 |
| 12 | Bryan County | 3 |
| 13 | Bulloch County | 3 |
| 14 | Burke County | 3 |
| 15 | Calhoun County | 3 |
| 16 | Camden County | 3 |
| 17 | Candler County | 3 |
| 18 | Charlton County | 3 |
| 19 | Chatham County | 3 |
| 20 | Chattahoochee County | 3 |
| 21 | Chattooga County | 3 |
| 22 | Clay County | 3 |
| 23 | Clinch County | 3 |
| 24 | Coffee County | 3 |
| 25 | Colquitt County | 3 |
Source: EPA Map of Radon Zones (September 2025). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties with the Highest Radon Potential in Georgia”, https://gismap.land/rankings/georgia/highest-radon-counties. Figures from EPA Map of Radon Zones (September 2025).
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