Onslow County, NC

ZIP 28574

In ZIP 28574, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Craven County Water System has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by bromodichloromethane at 239× California’s Public Health Goal.
• Closer to Superfund sites than 61% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Elementis Chromium Inc (100%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 173,559 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 28574

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

Based on 9 census tracts · compiled October 25, 2026 · how each grade works and its sources

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