Colleton County, SC

ZIP 29488

In ZIP 29488, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Dcws Reevesville (Sc1820002) meets every EPA legal limit; 6 contaminants are above health goals, led by bromodichloromethane at 129× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Balchem Corp (91%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 133,415 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29488

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

Based on 9 census tracts · compiled October 25, 2026 · how each grade works and its sources

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