St. Lawrence County, NY

ZIP 13683

In ZIP 13683, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Massena Village meets every EPA legal limit; 12 contaminants are above health goals, led by arsenic at 250× California’s Public Health Goal.
• Nearest Superfund site: General Motors (central Foundry Division), 5.5 miles away.
• Largest share of modeled toxic air from industry: Alcoa USA Corp. (100%), mostly chromium.
• Fine particles (PM2.5) average 5.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 76,974 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 13683

• Superfund sites nearbyD
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsC
• Radiation signalsC

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

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