Oconee County, SC

ZIP 29678

In ZIP 29678, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Clemson City Of (Sc3910004) meets every EPA legal limit; 9 contaminants are above health goals, led by lead at 41× California’s Public Health Goal.
• Closer to Superfund sites than 98% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Basf Corp (60%), mostly nickel compounds.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 44,114 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29678

• Superfund sites nearbyA to F
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA to B
• 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 D

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

Loading the full report, with every source…