Cortland County, NY

ZIP 13863

In ZIP 13863, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Marathon Village meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 450× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Polkville Crushed Stone/Suit-Kote Terminal (59%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 6.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 30,657 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 13863

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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