Middlesex County, NJ

ZIP 08831

In ZIP 08831, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Nj American Water - Raritan has 1 contaminant at or over an EPA legal limit; 24 contaminants are above health goals, led by pfos at 3.9× California’s Public Health Goal.
• Nearest Superfund site: Jis Landfill, 2.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Custom Alloy Corp (17%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 26,553 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 08831

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

Based on 15 census tracts · compiled September 10, 2026 · how each grade works and its sources

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