Tioga County, NY

ZIP 13835

In ZIP 13835, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Harford Water District #1 meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 1,020× California’s Public Health Goal.
• Nearest Superfund site: Rosen Brothers Scrap Yard/dump, 7.4 miles away.
• Largest share of modeled toxic air from industry: Polkville Crushed Stone/Suit-Kote Terminal (54%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 27,270 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 13835

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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