Gwinnett County, GA

ZIP 30043

In ZIP 30043, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Gwinnett Co. Dept. Of Water Resources meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 67× 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: Becton Dickinson & Co Covington Operations (56%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,543 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 30043

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

Based on 28 census tracts · compiled October 25, 2026 · how each grade works and its sources

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