Wake County, NC

ZIP 27502

In ZIP 27502, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Old Stage Place meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 37× California’s Public Health Goal.
• Nearest Superfund site: Koppers Co., Inc. (morrisville Plant), 6.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Kellogg'S Snacks - Cary Bakery (55%), mostly formaldehyde.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 205,031 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 27502

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

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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