Warren County, NJ

ZIP 07838

In ZIP 07838, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Warren Haven Rehabilitation & Nursing Ct meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 827× California’s Public Health Goal.
• Nearest Superfund site: Combe Fill South Landfill, 7.6 miles away.
• Largest share of modeled toxic air from industry: Cosmed Of New Jersey (17%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.3 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 07838

• Superfund sites nearbyA to D
• 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
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD to F

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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