Montour County, PA

ZIP 17821

In ZIP 17821, 8 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: Kawneer Co Inc (38%), mostly diisocyanates.
• 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 17821

• Superfund sites nearbyA to D
• Factories and industrial sitesA to B
• Oil and gas wellsA to C
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityB to F
• Pesticide useD to F
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA to D
• Radiation signalsD to F

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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