Northumberland County, PA

ZIP 17868

In ZIP 17868, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Aqua Pa Roaring Creek Division meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 42× California’s Public Health Goal.
• Nearest Superfund site: Mw Manufacturing, 4.9 miles away.
• Largest share of modeled toxic air from industry: Arxada LLC (56%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 105,057 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 17868

• Superfund sites nearbyD
• Factories and industrial sitesB
• Oil and gas wellsC
• Parks and nature nearbyC
• Air qualityC
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsD
• Noise levelsA
• Radiation signalsD

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

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