Onslow County, NC

ZIP 28555

In ZIP 28555, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Onslow Wtr And Sewer Authority meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 59× California’s Public Health Goal.
• Nearest Superfund site: Abc One Hour Cleaners, 8.6 miles away.
• Largest share of modeled toxic air from industry: International Paper- New Bern Mill (52%), mostly hydrogen sulfide.
• Fine particles (PM2.5) average 6.0 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 28555

• Superfund sites nearbyA to D
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusC to F
• Past wildfire impactsA to D
• Past flood impactsB to C
• Noise levelsA
• Radiation signalsB

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

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