Somerset County, NJ

ZIP 07939

In ZIP 07939, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Nj American Water - Short Hills meets every EPA legal limit; 14 contaminants are above health goals, led by pfos at 2× California’s Public Health Goal.
• Nearest Superfund site: Asbestos Dump, 4.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Steris Isomedix Services (26%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 19,614 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 07939

• Superfund sites nearbyC
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityB
• Drinking water qualityC
• Pesticide useB
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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