Sullivan County, NY

ZIP 12729

In ZIP 12729, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hoey-De Graw Waterworks meets every EPA legal limit; 5 contaminants are above health goals, led by arsenic at 350× California’s Public Health Goal.
• Nearest Superfund site: Carroll & Dubies Sewage Disposal, 2.2 miles away.
• Largest share of modeled toxic air from industry: Cosmed Of New Jersey (73%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.0 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 12729

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

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

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