Chester County, PA

ZIP 19316

In ZIP 19316, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Caernarvon Twp Auth has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by lead at 34× California’s Public Health Goal.
• Nearest Superfund site: William Dick Lagoons, 4.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Goodhart Sons Inc. (45%), mostly chromium.
• Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 156,614 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 19316

• Superfund sites nearbyF
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB to C
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsF

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

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