Chatham County, NC

ZIP 27559

In ZIP 27559, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sanford, City Of has 2 contaminants at or over an EPA legal limit; 13 contaminants are above health goals, led by pfos at 12× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Kellogg'S Snacks - Cary Bakery (27%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 33,896 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 27559

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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