St. Lawrence County, NY

ZIP 13625

In ZIP 13625, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Parishville Water District #1 meets every EPA legal limit; 3 contaminants are above health goals, led by chloroform at 95× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Alcoa USA Corp. (72%), 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 13625

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

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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