Richland County, SC

ZIP 29203

In ZIP 29203, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Columbia City Of (Sc4010001) has 2 contaminants at or over an EPA legal limit; 10 contaminants are above health goals, led by pfoa at 643× California’s Public Health Goal.
• Nearest Superfund site: Palmetto Wood Preserving, 6.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Dak Americas Llc-Columbia Site (43%), mostly cobalt compounds.
• Fine particles (PM2.5) average 8.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 43,941 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29203

• Superfund sites nearbyA to D
• Factories and industrial sitesB to F
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityB to D
• Drinking water qualityA to F
• Pesticide useB to D
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsB to D

Based on 22 census tracts · compiled October 25, 2026 · how each grade works and its sources

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