Morris County, NJ

ZIP 07046

In ZIP 07046, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rockaway Boro Water Dept has 2 contaminants at or over an EPA legal limit; 8 contaminants are above health goals, led by pfoa at 1,314× California’s Public Health Goal.
• Nearest Superfund site: Rockaway Borough Well Field, 1.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Howmet Castings & Services-Casting Div (79%), mostly cobalt.
• Fine particles (PM2.5) average 7.3 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 07046

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

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

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