Hillsborough, NH

ZIP 03076

In ZIP 03076, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lancaster Farms has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 1,546× California’s Public Health Goal.
• Nearest Superfund site: Silresim Chemical Corp., 6.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Tecomet (22%), mostly chromium.
• Fine particles (PM2.5) average 6.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 24,072 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 03076

• Superfund sites nearbyC to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityB to F
• Pesticide useB
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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