Marietta, GA Radon Levels
Check local Marietta radon levels and find certified testing and mitigation professionals to keep your home safe
Marietta, GA Radon Facts
A major suburb in Cobb County within the Atlanta Metro area, Marietta sits on Piedmont crystalline bedrock and residual clay soils that generally produce lower radon concentrations across the region. The city's diverse housing stock spans from historic downtown neighborhoods to modern subdivisions, with many homes featuring full basements and crawl space foundations. Although specific testing data for zip codes 30008, 30060, 30062, 30064, 30066, 30067, and 30068 is currently unavailable, homeowners should still conduct radon testing as levels can vary between individual properties.
Based on 1 user-submitted radon test for homes in Marietta, GA. The EPA recommends taking action at or above 4.0 pCi/L.
Marietta, GA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Marietta?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Cobb County Pros
Marietta, GA Radon Levels
User-submitted radon test readings from homes in the Marietta area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Marietta, GA | 0-20 Years | Full Basement |
Have a radon test result for Marietta? Submit your reading to help other homeowners.
Radon Readings Near Marietta, GA
Compare radon levels in Marietta with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Mableton | 9.8 mi | 4.67 pCi/L | 3 |
| Powder Springs | 9.9 mi | 6.00 pCi/L | 1 |
| Woodstock | 11.1 mi | 2.00 pCi/L | 2 |
| Roswell | 11.1 mi | 4.00 pCi/L | 1 |
| Atlanta | 13.1 mi | 8.80 pCi/L | 5 |
| Alpharetta | 16.5 mi | 6.00 pCi/L | 1 |
| Canton | 18.9 mi | 5.00 pCi/L | 1 |
| Dallas | 18.9 mi | 7.33 pCi/L | 3 |
Cobb County Radon Profile
Cobb County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 3 cities in Cobb County average 4.80 pCi/L across 5 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Cobb County to test, as levels can differ between neighboring homes.