Allegheny County, PA

ZIP 15237

In ZIP 15237, 8 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: Union Electric Steel Corp (21%), mostly chromium.
• 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 15237

• Superfund sites nearbyA to F
• Factories and industrial sitesC to D
• 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 C
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA to B
• Radiation signalsD to F

Based on 17 census tracts · compiled September 10, 2026 · how each grade works and its sources

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