Portsmouth city, VA

ZIP 23703

In ZIP 23703, 6 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; 14 contaminants are above health goals, led by pfos at 2.7× California’s Public Health Goal.
• Nearest Superfund site: Former Nansemond Ordnance Depot, 2.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Huntington Ingalls Inc (62%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 23703

• Superfund sites nearbyF
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityA to C
• Drinking water qualityD to F
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsB

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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