Hillsborough, NH

ZIP 03110

In ZIP 03110, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Merrimack Village Dist has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by lead at 33× California’s Public Health Goal.
• Nearest Superfund site: Fletcher's Paint Works & Storage, 8.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Proto Labs Inc (29%), mostly chromium.
• Fine particles (PM2.5) average 5.9 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 03110

• Superfund sites nearbyC to D
• 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 statusB to C
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD to F

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

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