York County, SC

ZIP 29733

In ZIP 29733, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rock Hill City Of (Sc4610002) meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 20× California’s Public Health Goal.
• Nearest Superfund site: Rock Hill Chemical Co., 2.6 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Jim Myers & Sons Inc (73%), 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 29733

• Superfund sites nearbyD
• Factories and industrial sitesD
• Oil and gas wellsB
• Parks and nature nearbyF
• Air qualityC
• Drinking water qualityD
• Pesticide useC
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsD
• Radiation signalsC

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

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