Essex County, NJ

ZIP 07021

In ZIP 07021, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: West Caldwell Water Department has 2 contaminants at or over an EPA legal limit; 12 contaminants are above health goals, led by lead at 34× California’s Public Health Goal.
• Nearest Superfund site: Montclair/west Orange Radium Site, 3.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Vdm Metals USA LLC (31%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 234 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 07021

• Superfund sites nearbyF
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityD
• Drinking water qualityD to F
• Pesticide useB
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsC

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

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