Mercer County, PA

ZIP 16161

In ZIP 16161, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aqua Pa Shenango Valley Wtp meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 24× California’s Public Health Goal.
• Nearest Superfund site: Sharon Steel Corp (farrell Works Disposal Area), 0.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Cronimet Specialty Metals USA Inc. (49%), mostly cobalt.
• Fine particles (PM2.5) average 7.8 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 16161

• Superfund sites nearbyF
• Factories and industrial sitesD
• Oil and gas wellsF
• Parks and nature nearbyD
• Air qualityC
• Drinking water qualityD
• Pesticide useD
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsD
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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