Grafton County, NH

ZIP 03750

In ZIP 03750, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lebanon Water Dept meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 38× California’s Public Health Goal.
• Nearest Superfund site: Elizabeth Mine, 8.8 miles away.
• Largest share of modeled toxic air from industry: Sturm Ruger & Co. Inc. (93%), mostly chromium.
• Fine particles (PM2.5) average 5.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,567 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 03750

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityF
• Pesticide useC
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC

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

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