Plymouth County, MA

ZIP 02346

In ZIP 02346, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Middleborough Water Supply has 1 contaminant at or over an EPA legal limit; 14 contaminants are above health goals, led by pfos at 3.5× California’s Public Health Goal.
• Nearest Superfund site: Cannon Engineering Corp. (cec), 7.5 miles away.
• Largest share of modeled toxic air from industry: Depuy Synthes A Johnson & Johnson Co (76%), mostly cobalt.
• Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 10,732 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 02346

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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