Carroll County, NH

ZIP 03886

In ZIP 03886, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ossipee Mountains Estates meets every EPA legal limit; 2 contaminants are above health goals, led by lead at 41× California’s Public Health Goal.
• Nearest Superfund site: Kearsarge Metallurgical Corp., 8.3 miles away.
• Largest share of modeled toxic air from industry: Pike Industries Inc - Northfield (96%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 5.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,412 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 03886

• Superfund sites nearbyA to D
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityB to F
• Pesticide useC to D
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC to F

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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