Aiken County, SC

ZIP 29801

In ZIP 29801, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Valley Psa (Sc0220012) meets every EPA legal limit; 8 contaminants are above health goals, led by tetrachloroethylene at 6.1× California’s Public Health Goal.
• Closer to Superfund sites than 62% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Owens Corning (97%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 105,325 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29801

• Superfund sites nearbyA to D
• Factories and industrial sitesB to F
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA to B
• Drinking water qualityA to C
• Pesticide useC to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsB to C
• Noise levelsA to D
• Radiation signalsB

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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