Cobb County, GA

ZIP 30066

In ZIP 30066, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: North Fulton County meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 69× 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: Dow Chemical Co (92%), mostly diisocyanates.
• Fine particles (PM2.5) average 8.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,694 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 30066

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

Based on 23 census tracts · compiled September 10, 2026 · how each grade works and its sources

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