Union County, NJ

ZIP 07974

In ZIP 07974, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Nj American Water - Short Hills has 2 contaminants at or over an EPA legal limit; 19 contaminants are above health goals, led by pfos at 5.2× California’s Public Health Goal.
• Nearest Superfund site: Rolling Knolls Lf, 3.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Steris Isomedix Services (28%), 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 528 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 07974

• Superfund sites nearbyD
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityB to C
• Drinking water qualityF
• Pesticide useA to B
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to C
• Radiation signalsC to D

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

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