Allegheny County, PA

ZIP 15056

In ZIP 15056, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ambridge Water Auth meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 37× California’s Public Health Goal.
• Nearest Superfund site: Ohio River Park, 4.8 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 8.3 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 15056

• Superfund sites nearbyD
• Factories and industrial sitesC
• Oil and gas wellsF
• Parks and nature nearbyD
• Air qualityD
• Drinking water qualityD to F
• Pesticide useB
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsF
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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