Decatur, GA Radon Levels
Check local Decatur radon levels and find certified testing and mitigation professionals to keep your home safe
Decatur, GA Radon Facts
This Atlanta Metro suburb in DeKalb County has recorded an average radon level of 9.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action threshold. The area's Piedmont geology featuring granite bedrock and clay soils contributes to elevated radon potential across zip codes 30030-30035 and 30073. Immediate testing and mitigation are strongly recommended for all residents, particularly those in older homes with basement foundations typical of this established suburban community.
Based on 1 user-submitted radon test for homes in Decatur, GA. The EPA recommends taking action at or above 4.0 pCi/L.
Decatur, 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 Decatur?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Dekalb County Pros
Decatur, GA Radon Levels
User-submitted radon test readings from homes in the Decatur area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 9 pCi/L | Decatur, GA | 51-99 Years | Partial Basement |
Have a radon test result for Decatur? Submit your reading to help other homeowners.
Radon Readings Near Decatur, GA
Compare radon levels in Decatur with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Avondale Estates | 1.6 mi | 10.00 pCi/L | 1 |
| Stone Mountain | 5.1 mi | 6.00 pCi/L | 2 |
| Lithonia | 8.0 mi | 20.00 pCi/L | 1 |
| Atlanta | 8.2 mi | 8.80 pCi/L | 5 |
| Forest Park | 11.6 mi | 10.00 pCi/L | 1 |
| Lilburn | 13.5 mi | 7.50 pCi/L | 2 |
| Snellville | 15.4 mi | 8.75 pCi/L | 4 |
| Conyers | 15.6 mi | 6.00 pCi/L | 1 |
Dekalb County Radon Profile
The bedrock and soils beneath Dekalb 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 5 cities in Dekalb County average 9.50 pCi/L across 10 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 Dekalb County.