Durham County, NC

ZIP 27703

In ZIP 27703, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Bayleaf Master has 3 contaminants at or over an EPA legal limit; 27 contaminants are above health goals, led by lead at 37× California’s Public Health Goal.
• Nearest Superfund site: Ward Transformer, 1.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Scm Metal Products Inc (94%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 11,900 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 27703

• Superfund sites nearbyA to F
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityB to D
• Drinking water qualityA to F
• Pesticide useB to D
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsB to C

Based on 17 census tracts · compiled September 10, 2026 · how each grade works and its sources

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