St. Lawrence County, NY

ZIP 13676

In ZIP 13676, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Potsdam Village meets every EPA legal limit; 7 contaminants are above health goals, led by chloroform at 155× California’s Public Health Goal.
• Nearest Superfund site: York Oil Co., 9.4 miles away.
• Largest share of modeled toxic air from industry: Alcoa USA Corp. (100%), mostly chromium.
• Fine particles (PM2.5) average 5.5 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 13676

• Superfund sites nearbyA to C
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityA to C
• Pesticide useC to F
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to B
• Radiation signalsB to D

Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…