Hampden County, MA

ZIP 01056

In ZIP 01056, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wilbraham Water Dept (Mwra) meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 180× California’s Public Health Goal.
• Nearest Superfund site: Psc Resources, 6.7 miles away.
• Largest share of modeled toxic air from industry: Omg Inc (36%), mostly cobalt.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 28,181 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 01056

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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