Durham County, NC

ZIP 27704

In ZIP 27704, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Raleigh, City Of meets every EPA legal limit; 9 contaminants are above health goals, led by bromodichloromethane at 98× California’s Public Health Goal.
• Nearest Superfund site: Ward Transformer, 4.4 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Scm Metal Products Inc (45%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.5 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 27704

• Superfund sites nearbyA to D
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityB to C
• Drinking water qualityB to F
• Pesticide useB to D
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to C
• Radiation signalsA to B

Based on 13 census tracts · compiled October 25, 2026 · how each grade works and its sources

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