Morris County, NJ

ZIP 07803

In ZIP 07803, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wharton Water Dept meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 42× California’s Public Health Goal.
• Nearest Superfund site: Dayco Corp./l.e Carpenter Co., 2.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Howmet Castings & Services-Casting Div (71%), mostly cobalt.
• Fine particles (PM2.5) average 7.2 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 07803

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityD to F
• Pesticide useC
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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