Greene County, NY

ZIP 12042

In ZIP 12042, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sleepy Hollow Lake Water Co. meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 235× California’s Public Health Goal.
• Nearest Superfund site: American Thermostat Co., 7.3 miles away.
• Largest share of modeled toxic air from industry: US Army - Watervliet Arsenal (56%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 13,552 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 12042

• Superfund sites nearbyC to F
• Factories and industrial sitesA to B
• Oil and gas wellsA
• 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 impactsC
• Noise levelsA
• Radiation signalsD to F

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

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