Westchester County, NY

ZIP 10526

In ZIP 10526, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wild Oaks Water Company meets every EPA legal limit; 13 contaminants are above health goals, led by tetrachloroethylene at 8.3× California’s Public Health Goal.
• Nearest Superfund site: Katonah Municipal Well, 2.2 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Colors & Effects USA LLC - Peekskill Facility (55%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.7 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 10526

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityC to D
• Pesticide useB
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…