Westmoreland County, PA

ZIP 15650

In ZIP 15650, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Highridge Water Auth has 3 contaminants at or over an EPA legal limit; 14 contaminants are above health goals, led by pfos at 4.5× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Latrobe Specialty Metals (74%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 56,687 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 15650

• Superfund sites nearbyA
• Factories and industrial sitesB to F
• Oil and gas wellsC to F
• Parks and nature nearbyC to D
• Air qualityB to D
• Drinking water qualityC to F
• Pesticide useC to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsD to F
• Noise levelsA to D
• Radiation signalsC to D

Based on 16 census tracts · compiled September 10, 2026 · how each grade works and its sources

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