Morris County, NJ

ZIP 07970

In ZIP 07970, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Randolph Twp Public Works Dept meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 37× California’s Public Health Goal.
• Nearest Superfund site: Combe Fill South Landfill, 6.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Howmet Castings & Services-Casting Div (38%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 21,359 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 07970

• Superfund sites nearbyD
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityF
• Pesticide useC
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…