New Hanover County, NC

ZIP 28429

In ZIP 28429, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cfpua-Wilmington meets every EPA legal limit; 10 contaminants are above health goals, led by arsenic at 396× California’s Public Health Goal.
• Nearest Superfund site: Horton Iron and Metal, 3.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Elementis Chromium Inc (79%), 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 3,387 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 28429

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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