Allegheny County, PA

ZIP 15202

In ZIP 15202, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sewickley Boro Water Auth meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 32× California’s Public Health Goal.
• Nearest Superfund site: Ohio River Park, 1.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Neville Chemical Co (65%), mostly dicyclopentadiene.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 12,030 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 15202

• Superfund sites nearbyD to F
• Factories and industrial sitesD to F
• Oil and gas wellsF
• Parks and nature nearbyC to F
• Air qualityD to F
• Drinking water qualityD to F
• Pesticide useB to C
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA to D
• Radiation signalsD to F

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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