York County, SC

ZIP 29730

In ZIP 29730, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cedar Valley Mhp (Sc4660009) meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 307× California’s Public Health Goal.
• Nearest Superfund site: Rock Hill Chemical Co., 1.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Jim Myers & Sons Inc (72%), mostly chromium.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 46,422 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29730

• Superfund sites nearbyA to F
• Factories and industrial sitesC to F
• Oil and gas wellsA to B
• Parks and nature nearbyC to F
• Air qualityA to C
• Drinking water qualityA to F
• Pesticide useC to F
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsB to D

Based on 23 census tracts · compiled September 10, 2026 · how each grade works and its sources

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