Warren County, NJ

ZIP 07863

In ZIP 07863, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Nj American Water - Washington/Oxford has 2 contaminants at or over an EPA legal limit; 19 contaminants are above health goals, led by pfos at 5.9× California’s Public Health Goal.
• Nearest Superfund site: Pohatcong Valley Ground Water Contamination, 3.8 miles away.
• Largest share of modeled toxic air from industry: B. Braun Medical Inc Manufacturing Div (30%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 78,994 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 07863

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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