Cheshire County, NH

ZIP 03431

In ZIP 03431, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Eastfield Crossing meets every EPA legal limit; 5 contaminants are above health goals, led by bromodichloromethane at 69× California’s Public Health Goal.
• Nearest Superfund site: Troy Mills Landfill, 6.6 miles away.
• Largest share of modeled toxic air from industry: Bete Fog Nozzle Inc. (89%), mostly chromium.
• Fine particles (PM2.5) average 6.4 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 03431

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

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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