Mercer County, PA

ZIP 16125

In ZIP 16125, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Summit Estates meets every EPA legal limit; 1 contaminant is above health goals, led by lead at 65× California’s Public Health Goal.
• Nearest Superfund site: River Road Landfill (waste Management, Inc.), 2.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Salem Tube Inc. (49%), mostly trichloroethylene.
• Fine particles (PM2.5) average 6.7 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 16125

• Superfund sites nearbyA to D
• Factories and industrial sitesB to D
• Oil and gas wellsF
• Parks and nature nearbyC to F
• Air qualityA to B
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsC to F
• Noise levelsA to D
• Radiation signalsC to D

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

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