Delaware County, PA

ZIP 19052

In ZIP 19052, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aqua Pa Main System has 2 contaminants at or over an EPA legal limit; 25 contaminants are above health goals, led by lead at 88× California’s Public Health Goal.
• Nearest Superfund site: Metro Container Corporation, 5.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Croda Inc (22%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,072 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 19052

• Superfund sites nearbyD
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityC
• Drinking water qualityF
• Pesticide useB
• Neighborhood health statusC
• 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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