McCormick County, SC

ZIP 29899

In ZIP 29899, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mccormick Cpw (Sc3510001) meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 20× California’s Public Health Goal.
• Nearest Superfund site: Barite Hill/nevada Goldfields, 2.7 miles away.
• Largest share of modeled toxic air from industry: Stoll Industries Inc. (74%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,593 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29899

• Superfund sites nearbyD
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityB
• Drinking water qualityD
• Pesticide useD
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsC
• Radiation signalsB

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

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