Onslow County, NC

ZIP 28445

In ZIP 28445, 4 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; 10 contaminants are above health goals, led by uranium at 1,090× California’s Public Health Goal.
• Nearest Superfund site: Camp Lejeune Military Res. (usnavy), 9.0 miles away.
• Largest share of modeled toxic air from industry: Elementis Chromium Inc (86%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 133,006 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 28445

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

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…