Cobb County, GA

ZIP 30168

In ZIP 30168, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Atlanta meets every EPA legal limit; 8 contaminants are above health goals, led by trichloroacetic acid at 169× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Sterilization Services Of Georgia (40%), mostly ethylene oxide.
• Fine particles (PM2.5) average 9.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,541 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 30168

• Superfund sites nearbyA
• Factories and industrial sitesB to F
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityC to F
• Drinking water qualityC to D
• Pesticide useA to B
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources

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