Guilford County, NC

ZIP 27401

In ZIP 27401, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Greensboro, City Of has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 23× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Solenis LLC (75%), mostly acrylamide.
• Fine particles (PM2.5) average 8.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 63,183 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 27401

• Superfund sites nearbyA
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityC to D
• Drinking water qualityF
• Pesticide useB to D
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsA

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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