Greenville County, SC

ZIP 29635

In ZIP 29635, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Marietta W/D (Sc2320004) meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 410× California’s Public Health Goal.
• Closer to Superfund sites than 93% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Cytec Engineered Materials Inc. (44%), mostly acrylonitrile.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 51,984 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29635

• Superfund sites nearbyC to F
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityD to F
• Pesticide useC to D
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC to D

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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