Allegany County, NY

ZIP 14770

In ZIP 14770, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Olean City meets every EPA legal limit; 13 contaminants are above health goals, led by arsenic at 180× California’s Public Health Goal.
• Nearest Superfund site: Olean Well Field, 1.7 miles away.
• Largest share of modeled toxic air from industry: Zippo Manufacturing Co (76%), mostly chromium.
• Fine particles (PM2.5) average 6.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 57,312 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 14770

• Superfund sites nearbyC to F
• Factories and industrial sitesA to B
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityA to D
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA
• Radiation signalsC to D

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

Loading the full report, with every source…