Chatham County, NC

ZIP 27523

In ZIP 27523, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Woods Of Ashbury Sd meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 91× California’s Public Health Goal.
• Nearest Superfund site: Koppers Co., Inc. (morrisville Plant), 6.5 miles away.
• Largest share of modeled toxic air from industry: Kellogg'S Snacks - Cary Bakery (59%), mostly formaldehyde.
• Fine particles (PM2.5) average 7.9 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 27523

• Superfund sites nearbyA to D
• 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 D
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsB to C

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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