Onslow County, NC

ZIP 28539

In ZIP 28539, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Usmc Lejeune--Holcomb Blvd meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 31× California’s Public Health Goal.
• Nearest Superfund site: Camp Lejeune Military Res. (usnavy), 7.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Elementis Chromium Inc (97%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 114,124 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 28539

• Superfund sites nearbyD to F
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusA to D
• Past wildfire impactsA to C
• Past flood impactsC
• Noise levelsA to B
• Radiation signalsB

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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