Susquehanna County, PA

ZIP 18821

In ZIP 18821, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pa Amer Water Co Susquehanna meets every EPA legal limit; 6 contaminants are above health goals, led by chloroform at 104× California’s Public Health Goal.
• Nearest Superfund site: Conklin Dumps, 7.9 miles away.
• Largest share of modeled toxic air from industry: Alleima USA LLC (99%), mostly chromium.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 23,501 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 18821

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsD
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityC
• Pesticide useD
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsF

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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