Westchester County, NY

ZIP 10511

In ZIP 10511, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Peekskill City meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 157× California’s Public Health Goal.
• Nearest Superfund site: Magna Metals, 1.9 miles away.
• Largest share of modeled toxic air from industry: Colors & Effects USA LLC - Peekskill Facility (77%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,510 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 10511

• Superfund sites nearbyF
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyA to B
• Air qualityB
• Drinking water qualityC
• Pesticide useA to B
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to B
• Radiation signalsD to F

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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