Tioga County, NY

ZIP 13811

In ZIP 13811, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Owego Wd #2 has 1 contaminant at or over an EPA legal limit; 8 contaminants are above health goals, led by arsenic at 250× California’s Public Health Goal.
• Nearest Superfund site: Endicott Village Well Field, 6.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Kennedy Valve (62%), mostly cobalt compounds.
• Fine particles (PM2.5) average 6.7 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 13811

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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