Middlesex County, NJ

ZIP 08512

In ZIP 08512, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Monroe Twp Utility Department has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfoa at 614× California’s Public Health Goal.
• Nearest Superfund site: Higgins Disposal, 4.9 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 7.6 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 08512

• Superfund sites nearbyA to F
• Factories and industrial sitesB to D
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityB to C
• Drinking water qualityC to F
• Pesticide useB to C
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to B
• Radiation signalsB to D

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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