DeKalb County, GA

ZIP 30324

In ZIP 30324, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Dekalb County meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 161× California’s Public Health Goal.
• Nearest Superfund site: Westside Lead, 5.9 miles away.
• Largest share of modeled toxic air from industry: Main Steel Polishing Co Inc (53%), mostly chromium.
• Fine particles (PM2.5) average 9.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,927 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 30324

• Superfund sites nearbyC to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityF
• Drinking water qualityD to F
• Pesticide useA to B
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsA to B
• Noise levelsA to D

Based on 17 census tracts · compiled October 25, 2026 · how each grade works and its sources

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