Chester County, PA

ZIP 19363

In ZIP 19363, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Little Britain Mhp meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 46× California’s Public Health Goal.
• Nearest Superfund site: Spectron, Inc., 5.8 miles away.
• Largest share of modeled toxic air from industry: Goodhart Sons Inc. (51%), mostly chromium.
• Fine particles (PM2.5) average 7.3 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 19363

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

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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