Mercer County, NJ
ZIP 08648
In ZIP 08648, 8 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: Higgins Disposal, 7.8 miles away (3 within 10 miles).
- Largest share of modeled toxic air from industry: Linde Gas & Equipment Inc. (67%), mostly ethylene oxide.
- Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 26,104 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 08648
- Superfund sites nearbyA to D
- Factories and industrial sitesC to D
- Oil and gas wellsA
- Parks and nature nearbyC to F
- Air qualityB to D
- Drinking water qualityF
- Pesticide useC to D
- Neighborhood health statusA to C
- Past wildfire impactsA
- Past flood impactsC
- Noise levelsA to D
- Radiation signalsC to D
Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources
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