Butler County, PA

ZIP 16051

In ZIP 16051, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Woodmere Estates meets every EPA legal limit; 1 contaminant is above health goals, led by lead at 51× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Harsco Metals - Koppel (19%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 48,636 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 16051

• Superfund sites nearbyA to C
• Factories and industrial sitesB to C
• Oil and gas wellsC to F
• Parks and nature nearbyC
• Air qualityB to C
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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