Radon levels in Georgia: Low
The model predicts a population-weighted basement average of 1.9 pCi/L across Georgia's 159 counties - close to the US average of 1.8 pCi/L. Above-ground floors average 1.0 pCi/L.
Predicted (model estimate). The pCi/L figures on this page are long-term area averages from a peer-reviewed national model built on millions of real radon tests (2001-2021). They describe the typical home in this area - not your home, which can be several times higher or lower. The EPA radon zone is a separate, 1993 county-level classification. How the numbers work.
4 / 159
EPA Zone 1 counties (3%)
55 / 100
Zone 2 / Zone 3 counties
0
counties predicted ≥ 4 pCi/L
0%
of ZIP codes predicted ≥ 4 pCi/L
Georgia counties by predicted radon
Sorted highest to lowest predicted basement average. 159 counties.
| County | Predicted basement | Upstairs | Grade | EPA zone | ZIPs |
|---|---|---|---|---|---|
| Walton County | 2.8 pCi/L | 1.6 | Moderate | EPA Zone 2 | 5 |
| Gilmer County | 2.8 pCi/L | 1.4 | Moderate | EPA Zone 2 | 3 |
| Barrow County | 2.6 pCi/L | 1.6 | Moderate | EPA Zone 2 | 4 |
| Union County | 2.6 pCi/L | 1.1 | Moderate | EPA Zone 2 | 2 |
| Fannin County | 2.5 pCi/L | 1.2 | Moderate | EPA Zone 2 | 5 |
| Habersham County | 2.5 pCi/L | 1.2 | Moderate | EPA Zone 2 | 4 |
| White County | 2.5 pCi/L | 1.2 | Moderate | EPA Zone 2 | 3 |
| Carroll County | 2.5 pCi/L | 1.2 | Moderate | EPA Zone 2 | 8 |
| Hall County | 2.5 pCi/L | 1.2 | Moderate | EPA Zone 2 | 10 |
| Jackson County | 2.5 pCi/L | 1.4 | Moderate | EPA Zone 2 | 9 |
| Rabun County | 2.5 pCi/L | 1.2 | Moderate | EPA Zone 2 | 5 |
| Towns County | 2.5 pCi/L | 1.2 | Moderate | EPA Zone 2 | 2 |
| Pickens County | 2.4 pCi/L | 1.4 | Moderate | EPA Zone 2 | 3 |
| Haralson County | 2.4 pCi/L | 1.2 | Moderate | EPA Zone 2 | 3 |
| Madison County | 2.4 pCi/L | 1.2 | Moderate | EPA Zone 2 | 4 |
| Banks County | 2.4 pCi/L | 1.1 | Moderate | EPA Zone 2 | 4 |
| Stephens County | 2.3 pCi/L | 1.2 | Moderate | EPA Zone 2 | 2 |
| Pike County | 2.3 pCi/L | 1.2 | Moderate | EPA Zone 2 | 5 |
| Lamar County | 2.3 pCi/L | 1.2 | Moderate | EPA Zone 2 | 2 |
| Spalding County | 2.3 pCi/L | 1.4 | Moderate | EPA Zone 2 | 2 |
| Lumpkin County | 2.3 pCi/L | 0.9 | Moderate | EPA Zone 2 | 1 |
| Douglas County | 2.2 pCi/L | 1.2 | Moderate | EPA Zone 2 | 4 |
| Franklin County | 2.2 pCi/L | 1.0 | Moderate | EPA Zone 2 | 4 |
| Gwinnett County | 2.2 pCi/L | 1.2 | Moderate | EPA Zone 1 | 16 |
| Coweta County | 2.1 pCi/L | 1.2 | Moderate | EPA Zone 2 | 6 |
| Hart County | 2.1 pCi/L | 1.1 | Moderate | EPA Zone 2 | 3 |
| Meriwether County | 2.1 pCi/L | 1.0 | Moderate | EPA Zone 2 | 6 |
| Newton County | 2.1 pCi/L | 1.2 | Moderate | EPA Zone 2 | 4 |
| Dade County | 2.1 pCi/L | 1.0 | Moderate | EPA Zone 3 | 3 |
| Troup County | 2.1 pCi/L | 1.1 | Moderate | EPA Zone 2 | 3 |
| Rockdale County | 2.1 pCi/L | 1.2 | Moderate | EPA Zone 2 | 3 |
| Catoosa County | 2.1 pCi/L | 1.0 | Moderate | EPA Zone 2 | 2 |
| Henry County | 2.1 pCi/L | 1.2 | Moderate | EPA Zone 2 | 5 |
| Oglethorpe County | 2.1 pCi/L | 1.0 | Moderate | EPA Zone 2 | 6 |
| Butts County | 2.1 pCi/L | 1.1 | Moderate | EPA Zone 2 | 3 |
| Dawson County | 2.1 pCi/L | 1.1 | Moderate | EPA Zone 2 | 2 |
| Walker County | 2.0 pCi/L | 1.0 | Moderate | EPA Zone 2 | 6 |
| Clayton County | 2.0 pCi/L | 1.1 | Moderate | EPA Zone 2 | 7 |
| Polk County | 2.0 pCi/L | 1.1 | Moderate | EPA Zone 3 | 3 |
| Morgan County | 2.0 pCi/L | 1.0 | Moderate | EPA Zone 2 | 3 |
| Elbert County | 2.0 pCi/L | 1.0 | Moderate | EPA Zone 2 | 3 |
| Harris County | 2.0 pCi/L | 1.1 | Moderate | EPA Zone 2 | 9 |
| Jasper County | 2.0 pCi/L | 1.0 | Moderate | EPA Zone 2 | 3 |
| Paulding County | 2.0 pCi/L | 1.0 | Moderate | EPA Zone 2 | 3 |
| Fayette County | 2.0 pCi/L | 1.1 | Low | EPA Zone 2 | 5 |
| Murray County | 2.0 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Heard County | 2.0 pCi/L | 1.0 | Low | EPA Zone 2 | 1 |
| Monroe County | 1.9 pCi/L | 1.0 | Low | EPA Zone 2 | 3 |
| DeKalb County | 1.9 pCi/L | 1.2 | Low | EPA Zone 1 | 27 |
| Upson County | 1.9 pCi/L | 0.8 | Low | EPA Zone 2 | 3 |
| Floyd County | 1.9 pCi/L | 1.1 | Low | EPA Zone 2 | 6 |
| Bartow County | 1.9 pCi/L | 1.0 | Low | EPA Zone 2 | 8 |
| Fulton County | 1.9 pCi/L | 1.2 | Low | EPA Zone 1 | 34 |
| Whitfield County | 1.9 pCi/L | 0.9 | Low | EPA Zone 2 | 5 |
| Cherokee County | 1.9 pCi/L | 1.0 | Low | EPA Zone 2 | 7 |
| Chattooga County | 1.8 pCi/L | 0.9 | Low | EPA Zone 3 | 4 |
| Gordon County | 1.8 pCi/L | 0.9 | Low | EPA Zone 3 | 6 |
| Forsyth County | 1.8 pCi/L | 1.1 | Low | EPA Zone 2 | 3 |
| Schley County | 1.8 pCi/L | 0.9 | Low | EPA Zone 3 | 1 |
| Clarke County | 1.7 pCi/L | 0.9 | Low | EPA Zone 2 | 3 |
| Cobb County | 1.7 pCi/L | 1.0 | Low | EPA Zone 1 | 17 |
| Talbot County | 1.7 pCi/L | 0.8 | Low | EPA Zone 2 | 3 |
| Terrell County | 1.7 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Bleckley County | 1.7 pCi/L | 1.0 | Low | EPA Zone 3 | 1 |
| Oconee County | 1.7 pCi/L | 1.0 | Low | EPA Zone 2 | 3 |
| Treutlen County | 1.7 pCi/L | 0.9 | Low | EPA Zone 3 | 1 |
| Lee County | 1.7 pCi/L | 1.1 | Low | EPA Zone 3 | 3 |
| Laurens County | 1.6 pCi/L | 1.0 | Low | EPA Zone 3 | 8 |
| Marion County | 1.6 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
| Pulaski County | 1.6 pCi/L | 1.1 | Low | EPA Zone 3 | 2 |
| Twiggs County | 1.6 pCi/L | 0.9 | Low | EPA Zone 3 | 2 |
| Greene County | 1.6 pCi/L | 0.9 | Low | EPA Zone 2 | 3 |
| McDuffie County | 1.6 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
| Wilcox County | 1.6 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Johnson County | 1.6 pCi/L | 0.9 | Low | EPA Zone 3 | 2 |
| Wilkes County | 1.6 pCi/L | 0.8 | Low | EPA Zone 3 | 3 |
| Montgomery County | 1.6 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Stewart County | 1.6 pCi/L | 0.9 | Low | EPA Zone 3 | 3 |
| Taliaferro County | 1.6 pCi/L | 0.8 | Low | EPA Zone 3 | 1 |
| Wilkinson County | 1.6 pCi/L | 0.8 | Low | EPA Zone 3 | 5 |
| Worth County | 1.6 pCi/L | 1.0 | Low | EPA Zone 3 | 7 |
| Crisp County | 1.6 pCi/L | 1.0 | Low | EPA Zone 3 | 2 |
| Dodge County | 1.6 pCi/L | 1.0 | Low | EPA Zone 3 | 4 |
| Lincoln County | 1.6 pCi/L | 0.9 | Low | EPA Zone 3 | 1 |
| Putnam County | 1.6 pCi/L | 0.9 | Low | EPA Zone 3 | 1 |
| Seminole County | 1.6 pCi/L | 1.0 | Low | EPA Zone 3 | 2 |
| Ben Hill County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 1 |
| Candler County | 1.5 pCi/L | 1.0 | Low | EPA Zone 3 | 2 |
| Peach County | 1.5 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
| Warren County | 1.5 pCi/L | 0.8 | Low | EPA Zone 3 | 3 |
| Wheeler County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 2 |
| Baldwin County | 1.5 pCi/L | 0.8 | Low | EPA Zone 3 | 1 |
| Dooly County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 4 |
| Early County | 1.5 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Hancock County | 1.5 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
| Sumter County | 1.5 pCi/L | 0.8 | Low | EPA Zone 3 | 6 |
| Thomas County | 1.5 pCi/L | 1.0 | Low | EPA Zone 3 | 5 |
| Bacon County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 1 |
| Jones County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 5 |
| Macon County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 4 |
| Washington County | 1.5 pCi/L | 0.8 | Low | EPA Zone 3 | 5 |
| Calhoun County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 4 |
| Coffee County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 6 |
| Glascock County | 1.5 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
| Irwin County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 3 |
| Mitchell County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 5 |
| Toombs County | 1.5 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Crawford County | 1.5 pCi/L | 0.8 | Low | EPA Zone 3 | 3 |
| Emanuel County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 5 |
| Houston County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 8 |
| Jenkins County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 2 |
| Tift County | 1.5 pCi/L | 1.1 | Low | EPA Zone 3 | 2 |
| Burke County | 1.5 pCi/L | 1.0 | Low | EPA Zone 3 | 4 |
| Decatur County | 1.5 pCi/L | 1.0 | Low | EPA Zone 3 | 5 |
| Grady County | 1.5 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Randolph County | 1.5 pCi/L | 0.9 | Low | EPA Zone 3 | 3 |
| Screven County | 1.5 pCi/L | 0.8 | Low | EPA Zone 3 | 3 |
| Brooks County | 1.5 pCi/L | 1.0 | Low | EPA Zone 3 | 5 |
| Long County | 1.5 pCi/L | 0.7 | Low | EPA Zone 3 | 1 |
| Pierce County | 1.5 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Appling County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 3 |
| Bryan County | 1.4 pCi/L | 0.7 | Low | EPA Zone 3 | 3 |
| Dougherty County | 1.4 pCi/L | 1.0 | Low | EPA Zone 3 | 4 |
| Jefferson County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 7 |
| Columbia County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 5 |
| Echols County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 3 |
| Webster County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 2 |
| Bulloch County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 5 |
| Camden County | 1.4 pCi/L | 0.7 | Low | EPA Zone 3 | 5 |
| Taylor County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 4 |
| Baker County | 1.4 pCi/L | 1.0 | Low | EPA Zone 3 | 1 |
| Lowndes County | 1.4 pCi/L | 1.0 | Low | EPA Zone 3 | 6 |
| McIntosh County | 1.4 pCi/L | 0.7 | Low | EPA Zone 3 | 2 |
| Berrien County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 4 |
| Colquitt County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 5 |
| Effingham County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 4 |
| Jeff Davis County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 2 |
| Turner County | 1.4 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Cook County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 3 |
| Miller County | 1.4 pCi/L | 1.0 | Low | EPA Zone 3 | 1 |
| Telfair County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 5 |
| Bibb County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 7 |
| Tattnall County | 1.4 pCi/L | 1.0 | Low | EPA Zone 3 | 3 |
| Wayne County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 4 |
| Chattahoochee County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
| Clinch County | 1.4 pCi/L | 0.9 | Low | EPA Zone 3 | 3 |
| Quitman County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
| Charlton County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
| Clay County | 1.4 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
| Glynn County | 1.4 pCi/L | 0.7 | Low | EPA Zone 3 | 6 |
| Liberty County | 1.4 pCi/L | 0.7 | Low | EPA Zone 3 | 5 |
| Evans County | 1.4 pCi/L | 1.0 | Low | EPA Zone 3 | 1 |
| Richmond County | 1.4 pCi/L | 0.8 | Low | EPA Zone 2 | 7 |
| Atkinson County | 1.3 pCi/L | 0.9 | Low | EPA Zone 3 | 3 |
| Brantley County | 1.3 pCi/L | 0.8 | Low | EPA Zone 3 | 4 |
| Ware County | 1.3 pCi/L | 0.9 | Low | EPA Zone 3 | 4 |
| Chatham County | 1.3 pCi/L | 0.7 | Low | EPA Zone 3 | 13 |
| Muscogee County | 1.3 pCi/L | 0.8 | Low | EPA Zone 3 | 8 |
| Lanier County | 1.3 pCi/L | 0.8 | Low | EPA Zone 3 | 2 |
Georgia radon questions
- Is radon high in Georgia?
- Georgia's population-weighted predicted basement average is 1.9 pCi/L, close to the US average of 1.8. 0 of its 159 modeled counties are predicted at or above the EPA action level of 4 pCi/L, 44 are in the 2-4 "consider fixing" range and 115 are below 2. 0% of Georgia ZIP codes are predicted at 4 or higher.
- Which Georgia county has the highest radon?
- Walton County has the highest predicted basement average in Georgia at 2.8 pCi/L (EPA Zone 2). The lowest is Lanier County at 1.3 pCi/L. These are modeled area averages; individual homes in any county can test far higher.
- How many EPA Zone 1 counties are in Georgia?
- 4 of Georgia's 159 counties (3%) are EPA Zone 1 (highest potential), 55 are Zone 2 and 100 are Zone 3. The EPA zone map dates from 1993; the predicted values on this page come from a 2001-2021 model built on millions of actual tests, so the two can disagree for a given county.
- Should I test for radon in Georgia?
- Yes. Even though Georgia's predicted average is below 2 pCi/L, the EPA recommends every home be tested - radon varies house to house, and 29.1% of Georgia ZIP codes are still predicted at 2 pCi/L or higher.
Georgia radon program
Many states offer free or discounted test kits and keep lists of certified mitigators. Find the Georgia radon office through the EPA state radon contacts page. Then read how to test and what mitigation costs.