Cheshire County, NH

ZIP 03464

In ZIP 03464, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: N Swanzey Water And Fire Prct meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 18× 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: Hitchiner Countergravity Cast Operations (Vco/Dco/Mct) (43%), mostly chromium.
• Fine particles (PM2.5) average 5.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 6,756 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 03464

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD
• Pesticide useC
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

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

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