Morris County, NJ

ZIP 07856

In ZIP 07856, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Veolia Water New Jersey Arlington Hills has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfoa at 1,129× California’s Public Health Goal.
• Nearest Superfund site: Mansfield Trail Dump, 3.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Howmet Castings & Services-Casting Div (30%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 21,359 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 07856

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

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

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