Lewis County, NY

ZIP 13305

In ZIP 13305, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Harrisville (Diana Wd 1) meets every EPA legal limit; 5 contaminants are above health goals, led by dibromochloromethane at 6.7× California’s Public Health Goal.
• Nearest Superfund site: Black River Pcbs, 9.9 miles away.
• Largest share of modeled toxic air from industry: Lydall Performance Materials (66%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 5.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 47,471 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 13305

• Superfund sites nearbyC
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsD

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

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