Rockingham County, NH

ZIP 03865

In ZIP 03865, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rainbow Ridge meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 65× California’s Public Health Goal.
• Nearest Superfund site: Beede Waste Oil, 0.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Union Specialties Inc (38%), mostly hydrazine.
• Fine particles (PM2.5) average 5.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 18,148 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 03865

• Superfund sites nearbyF
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityC to F
• Pesticide useC
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

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

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