Lewis County, NY

ZIP 13473

In ZIP 13473, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Martinsburg Water District has 1 contaminant at or over an EPA legal limit; 7 contaminants are above health goals, led by nitrite at 17× https://pmc.ncbi.nlm.nih.gov/articles/PMC4535738/.
• 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: Special Metals Corp (68%), mostly cobalt.
• Fine particles (PM2.5) average 5.4 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 13473

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…