Norfolk city, VA

ZIP 23511

In ZIP 23511, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Norfolk, City Of meets every EPA legal limit; 12 contaminants are above health goals, led by pfos at 1.9× California’s Public Health Goal.
• Nearest Superfund site: Norfolk Naval Base (sewells Point Naval Complex), 0.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Huntington Ingalls Inc (52%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 23511

• Superfund sites nearbyF
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityC
• Drinking water qualityC
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsC to F
• Radiation signalsA

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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