Rockingham County, NH

ZIP 03261

In ZIP 03261, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pembroke Water Works meets every EPA legal limit; 2 contaminants are above health goals, led by pfos at 2.6× California’s Public Health Goal.
• Nearest Superfund site: Tibbetts Road, 6.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Pitco Frialator Inc (43%), mostly chromium.
• Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 12,119 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 03261

• 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 qualityA to C
• Pesticide useB to C
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsF

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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