Anderson County, SC

ZIP 29621

In ZIP 29621, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Southside W/D (3920010) meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 39× California’s Public Health Goal.
• Closer to Superfund sites than 58% 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. (54%), mostly acrylonitrile.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 32,834 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29621

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

Based on 21 census tracts · compiled September 10, 2026 · how each grade works and its sources

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