Georgia Radon Zone Map
Counties colored by EPA radon zone. Red = Zone 1, Orange = Zone 2, Green = Zone 3.
Highest-Risk Counties
Cobb29.6% above action level
DeKalb28.9% above action level
Fulton28.2% above action level
Gwinnett31.5% above action level
All 159 Counties — By Radon Risk
| County | EPA Zone | Tests | % Above 4 pCi/L |
|---|
| Cobb |
High |
98 |
29.6% |
| DeKalb |
High |
97 |
28.9% |
| Fulton |
High |
131 |
28.2% |
| Gwinnett |
High |
92 |
31.5% |
| Banks |
Moderate |
— |
— |
| Barrow |
Moderate |
10 |
40% |
| Bartow |
Moderate |
17 |
41.2% |
| Butts |
Moderate |
4 |
— |
| Carroll |
Moderate |
15 |
40% |
| Catoosa |
Moderate |
7 |
— |
| Cherokee |
Moderate |
37 |
32.4% |
| Clarke |
Moderate |
11 |
54.5% |
| Clayton |
Moderate |
35 |
28.6% |
| Coweta |
Moderate |
25 |
32% |
| Dawson |
Moderate |
— |
— |
| Douglas |
Moderate |
18 |
— |
| Elbert |
Moderate |
— |
— |
| Fannin |
Moderate |
6 |
— |
| Fayette |
Moderate |
19 |
26.3% |
| Floyd |
Moderate |
16 |
43.8% |
| Forsyth |
Moderate |
28 |
25% |
| Franklin |
Moderate |
4 |
— |
| Gilmer |
Moderate |
6 |
— |
| Greene |
Moderate |
— |
— |
| Habersham |
Moderate |
7 |
57.1% |
| Hall |
Moderate |
25 |
36% |
| Haralson |
Moderate |
4 |
— |
| Harris |
Moderate |
— |
— |
| Hart |
Moderate |
5 |
— |
| Heard |
Moderate |
— |
— |
| Henry |
Moderate |
30 |
33.3% |
| Jackson |
Moderate |
11 |
36.4% |
| Jasper |
Moderate |
4 |
— |
| Lamar |
Moderate |
— |
— |
| Lumpkin |
Moderate |
6 |
— |
| Madison |
Moderate |
— |
— |
| Meriwether |
Moderate |
4 |
— |
| Monroe |
Moderate |
4 |
— |
| Morgan |
Moderate |
— |
— |
| Newton |
Moderate |
18 |
27.8% |
| Oconee |
Moderate |
— |
— |
| Oglethorpe |
Moderate |
— |
— |
| Paulding |
Moderate |
18 |
44.4% |
| Pickens |
Moderate |
6 |
66.7% |
| Pike |
Moderate |
— |
— |
| Rabun |
Moderate |
5 |
— |
| Richmond |
Moderate |
37 |
37.8% |
| Rockdale |
Moderate |
15 |
33.3% |
| Spalding |
Moderate |
15 |
33.3% |
| Stephens |
Moderate |
5 |
— |
| Talbot |
Moderate |
— |
— |
| Towns |
Moderate |
4 |
— |
| Troup |
Moderate |
11 |
36.4% |
| Union |
Moderate |
5 |
— |
| Upson |
Moderate |
5 |
— |
| Walker |
Moderate |
11 |
36.4% |
| Walton |
Moderate |
13 |
46.2% |
| White |
Moderate |
5 |
— |
| Whitfield |
Moderate |
15 |
53.3% |
| Appling |
Low |
4 |
— |
| Atkinson |
Low |
— |
— |
| Bacon |
Low |
— |
— |
| Baker |
Low |
— |
— |
| Baldwin |
Low |
10 |
— |
| Ben Hill |
Low |
— |
— |
| Berrien |
Low |
— |
— |
| Bibb |
Low |
24 |
29.2% |
| Bleckley |
Low |
— |
— |
| Brantley |
Low |
— |
— |
| Brooks |
Low |
— |
— |
| Bryan |
Low |
7 |
— |
| Bulloch |
Low |
10 |
40% |
| Burke |
Low |
4 |
— |
| Calhoun |
Low |
— |
— |
| Camden |
Low |
7 |
— |
| Candler |
Low |
— |
— |
| Charlton |
Low |
— |
— |
| Chatham |
Low |
47 |
38.3% |
| Chattahoochee |
Low |
— |
— |
| Chattooga |
Low |
4 |
— |
| Clay |
Low |
— |
— |
| Clinch |
Low |
— |
— |
| Coffee |
Low |
8 |
— |
| Colquitt |
Low |
7 |
57.1% |
| Columbia |
Low |
21 |
28.6% |
| Cook |
Low |
— |
— |
| Crawford |
Low |
— |
— |
| Crisp |
Low |
— |
— |
| Dade |
Low |
— |
— |
| Decatur |
Low |
4 |
— |
| Dodge |
Low |
4 |
— |
| Dooly |
Low |
— |
— |
| Dougherty |
Low |
15 |
53.3% |
| Early |
Low |
— |
— |
| Echols |
Low |
— |
— |
| Effingham |
Low |
9 |
— |
| Emanuel |
Low |
4 |
— |
| Evans |
Low |
— |
— |
| Glascock |
Low |
— |
— |
| Glynn |
Low |
14 |
42.9% |
| Gordon |
Low |
11 |
36.4% |
| Grady |
Low |
4 |
— |
| Hancock |
Low |
— |
— |
| Houston |
Low |
24 |
25% |
| Irwin |
Low |
— |
— |
| Jeff Davis |
Low |
— |
— |
| Jefferson |
Low |
5 |
— |
| Jenkins |
Low |
— |
— |
| Johnson |
Low |
— |
— |
| Jones |
Low |
5 |
— |
| Lanier |
Low |
— |
— |
| Laurens |
Low |
7 |
— |
| Lee |
Low |
4 |
— |
| Liberty |
Low |
6 |
— |
| Lincoln |
Low |
— |
— |
| Long |
Low |
— |
— |
| Lowndes |
Low |
15 |
33.3% |
| Macon |
Low |
— |
— |
| Marion |
Low |
— |
— |
| McDuffie |
Low |
4 |
— |
| McIntosh |
Low |
— |
— |
| Miller |
Low |
— |
— |
| Mitchell |
Low |
— |
— |
| Montgomery |
Low |
— |
— |
| Murray |
Low |
5 |
— |
| Muscogee |
Low |
34 |
29.4% |
| Peach |
Low |
5 |
— |
| Pierce |
Low |
— |
— |
| Polk |
Low |
7 |
— |
| Pulaski |
Low |
— |
— |
| Putnam |
Low |
4 |
— |
| Quitman |
Low |
— |
— |
| Randolph |
Low |
— |
— |
| Schley |
Low |
— |
— |
| Screven |
Low |
— |
— |
| Seminole |
Low |
— |
— |
| Stewart |
Low |
— |
— |
| Sumter |
Low |
7 |
— |
| Taliaferro |
Low |
— |
— |
| Tattnall |
Low |
4 |
— |
| Taylor |
Low |
— |
— |
| Telfair |
Low |
— |
— |
| Terrell |
Low |
— |
— |
| Thomas |
Low |
10 |
— |
| Tift |
Low |
8 |
— |
| Toombs |
Low |
7 |
— |
| Treutlen |
Low |
— |
— |
| Turner |
Low |
— |
— |
| Twiggs |
Low |
— |
— |
| Ware |
Low |
8 |
— |
| Warren |
Low |
— |
— |
| Washington |
Low |
4 |
— |
| Wayne |
Low |
6 |
— |
| Webster |
Low |
— |
— |
| Wheeler |
Low |
— |
— |
| Wilcox |
Low |
— |
— |
| Wilkes |
Low |
— |
— |
| Wilkinson |
Low |
— |
— |
| Worth |
Low |
5 |
— |
Sources: EPA Map of Radon Zones, CDC Environmental Health Tracking Network
Frequently Asked Questions
How many counties in Georgia have high radon risk?
Georgia has 4 counties classified as EPA Zone 1 (high radon risk), 55 as Zone 2 (moderate), and 100 as Zone 3 (low risk).
Is radon a problem in Georgia?
Georgia has 4 high-risk counties where elevated radon is likely. The EPA recommends all homes in Georgia be tested for radon, regardless of which zone they're in.
How do I check radon levels for my Georgia address?
Enter your ZIP code in the search box above to see your county's EPA radon zone and available testing data. For your specific home's radon level, you'll need a radon test kit.