Bergen County, NJ

ZIP 07423

In ZIP 07423, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Waldwick Water Dept has 2 contaminants at or over an EPA legal limit; 16 contaminants are above health goals, led by pfos at 7.8× California’s Public Health Goal.
• Nearest Superfund site: Fair Lawn Well Field, 4.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Zimmer Biomet (45%), mostly cobalt.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,095 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 07423

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

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

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