Lancaster County, PA

ZIP 17557

In ZIP 17557, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Upper Leacock Township has 2 contaminants at or over an EPA legal limit; 13 contaminants are above health goals, led by pfos at 6.4× California’s Public Health Goal.
• Nearest Superfund site: William Dick Lagoons, 5.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Goodhart Sons Inc. (93%), mostly chromium.
• Fine particles (PM2.5) average 9.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 478,195 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 17557

• Superfund sites nearbyA to F
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityC to F
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsF

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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