Orange County, NY

ZIP 10921

In ZIP 10921, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mid Hudson Psychiatric Center meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 369× California’s Public Health Goal.
• Nearest Superfund site: Nepera Chemical Co., Inc., 8.8 miles away.
• Largest share of modeled toxic air from industry: Cosmed Of New Jersey (60%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 126,467 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 10921

• Superfund sites nearbyA to C
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to D
• Pesticide useD to F
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsF

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

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