Rockland County, NY

ZIP 10931

In ZIP 10931, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Suffern Village has 2 contaminants at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 5.8× California’s Public Health Goal.
• Nearest Superfund site: Suffern Village Well Field, 0.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Howmet Castings & Services-Casting Div (41%), mostly cobalt.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,735 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 10931

• Superfund sites nearbyF
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityA to F
• Pesticide useB
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsC to D

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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