Pender County, NC

ZIP 28457

In ZIP 28457, 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; 10 contaminants are above health goals, led by uranium at 1,090× California’s Public Health Goal.
• Nearest Superfund site: Wright Chemical Corporation, 7.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Elementis Chromium Inc (85%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.4 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 28457

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

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

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