Onondaga County, NY

ZIP 13203

In ZIP 13203, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Syracuse City meets every EPA legal limit; 8 contaminants are above health goals, led by bromodichloromethane at 112× California’s Public Health Goal.
• Nearest Superfund site: Onondaga Lake, 4.2 miles away.
• Largest share of modeled toxic air from industry: Anoplate Corp (49%), mostly nickel compounds.
• Fine particles (PM2.5) average 7.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 115,228 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 13203

• Superfund sites nearbyD to F
• Factories and industrial sitesD
• Oil and gas wellsC
• Parks and nature nearbyD to F
• Air qualityC
• Drinking water qualityD
• Pesticide useC
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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