Butler County, PA

ZIP 16023

In ZIP 16023, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Chicora Medical Center meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 61× California’s Public Health Goal.
• Nearest Superfund site: Hranica Landfill, 7.6 miles away.
• Largest share of modeled toxic air from industry: Cleveland-Cliffs Steel Corp /Butler Works (15%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 61,517 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 16023

• Superfund sites nearbyA
• Factories and industrial sitesC to D
• Oil and gas wellsF
• Parks and nature nearbyC to D
• Air qualityC
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsD to F
• Noise levelsA
• Radiation signalsD to F

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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