Hunterdon County, NJ

ZIP 07830

In ZIP 07830, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Clinton Water Dept has 2 contaminants at or over an EPA legal limit; 13 contaminants are above health goals, led by pfoa at 714× California’s Public Health Goal.
• Nearest Superfund site: Combe Fill South Landfill, 1.5 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Custom Alloy Corp (61%), mostly chromium.
• Fine particles (PM2.5) average 6.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 64,060 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 07830

• Superfund sites nearbyD to F
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyA to C
• Air qualityA
• Drinking water qualityB to F
• Pesticide useC to D
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA
• Radiation signalsF

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…