Calhoun County, SC

ZIP 29053

In ZIP 29053, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Orangeburg Dpu (Sc3810001) has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 4.2× California’s Public Health Goal.
• Nearest Superfund site: Lexington County Landfill Area, 3.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Dak Americas Llc-Columbia Site (90%), mostly cobalt compounds.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 87,401 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29053

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

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

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