Delaware County, PA

ZIP 19029

In ZIP 19029, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Philadelphia Water Department has 2 contaminants at or over an EPA legal limit; 17 contaminants are above health goals, led by lead at 44× California’s Public Health Goal.
• Nearest Superfund site: Hercules, Inc. (gibbstown Plant), 2.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Monroe Energy Llc-Trainer Refinery (24%), mostly benzene.
• Fine particles (PM2.5) average 8.4 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 19029

• Superfund sites nearbyF
• Factories and industrial sitesF
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityD
• Drinking water qualityF
• Pesticide useB
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsD
• Radiation signalsC

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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