Elk County, PA

ZIP 15857

In ZIP 15857, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Brockway Boro Municipal Auth meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 84× California’s Public Health Goal.
• Closer to Superfund sites than 53% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Sinterite Products Div Of Gpi (79%), mostly chromium.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,514 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 15857

• Superfund sites nearbyA to C
• Factories and industrial sitesB to D
• Oil and gas wellsF
• Parks and nature nearbyB to C
• Air qualityA to B
• Drinking water qualityF
• Pesticide useC to D
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC to D

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

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