Sullivan County, NY

ZIP 12723

In ZIP 12723, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Jeffersonville Village meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 650× California’s Public Health Goal.
• Nearest Superfund site: Cortese Landfill, 6.4 miles away.
• Largest share of modeled toxic air from industry: Fxi Inc. - Archbald (80%), mostly toluene diisocyanate (mixed isomers).
• Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 10,076 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 12723

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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