Charleston County, SC

ZIP 29482

In ZIP 29482, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sullivans Island Town Of (1010003) meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 59× California’s Public Health Goal.
• Nearest Superfund site: Koppers Co., Inc. (charleston Plant), 8.1 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Lanxess Corp (56%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 199,042 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29482

• Superfund sites nearbyC
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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