Washington County, PA

ZIP 15345

In ZIP 15345, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Tri Cnty Jt Muni Auth has 1 contaminant at or over an EPA legal limit; 13 contaminants are above health goals, led by benzo(a)pyrene at 433× 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: Duraloy Technologies Inc (25%), mostly chromium.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 37,973 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 15345

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsF
• Parks and nature nearbyB to C
• Air qualityC
• Drinking water qualityC to F
• Pesticide useD
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA to D
• Radiation signalsD to F

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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