Columbus County, NC

ZIP 28456

In ZIP 28456, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Brunswick County Water System has 2 contaminants at or over an EPA legal limit; 12 contaminants are above health goals, led by pfoa at 614× California’s Public Health Goal.
• Nearest Superfund site: Wright Chemical Corporation, 3.5 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: International Paper Riegelwood Mill (59%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 312,817 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 28456

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

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

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