Mercer County, PA

ZIP 16142

In ZIP 16142, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Liberty Township meets every EPA legal limit; 5 contaminants are above health goals, led by bromodichloromethane at 209× California’s Public Health Goal.
• Nearest Superfund site: Sharon Steel Corp (farrell Works Disposal Area), 9.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Vitro Meadville Flat Glass LLC (30%), mostly cobalt compounds.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 67,541 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 16142

• Superfund sites nearbyA to D
• Factories and industrial sitesC
• Oil and gas wellsF
• Parks and nature nearbyB to C
• Air qualityB to C
• Drinking water qualityA to C
• Pesticide useD to F
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsC to F
• Noise levelsA
• Radiation signalsC to D

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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