Marlboro County, SC

ZIP 29596

In ZIP 29596, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wallace Water Company (Sc3420002) meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 7.3× California’s Public Health Goal.
• Nearest Superfund site: Burlington Industries Cheraw, 6.3 miles away.
• Largest share of modeled toxic air from industry: Stanley Works Inc Tools Div (28%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 172,377 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29596

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

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

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