St. Lawrence County, NY

ZIP 13617

In ZIP 13617, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Norwood has 10 contaminants at or over an EPA legal limit; 20 contaminants are above health goals, led by trichloroethylene at 6.5× California’s Public Health Goal.
• Nearest Superfund site: Sealand Restoration, Inc., 1.8 miles away.
• Largest share of modeled toxic air from industry: St Lawrence Zinc Co Balmat 4 Mine & Mill (100%), mostly cadmium compounds.
• 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 13617

• Superfund sites nearbyA to F
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityB to F
• Pesticide useD to F
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsC to D

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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