Portsmouth city, VA

ZIP 23707

In ZIP 23707, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Naval Support Activity Portsmouth meets every EPA legal limit; 6 contaminants are above health goals, led by bromodichloromethane at 149× California’s Public Health Goal.
• Nearest Superfund site: Peck Iron and Metal, 1.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Huntington Ingalls Inc (41%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 23707

• Superfund sites nearbyF
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityB to C
• Drinking water qualityC
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsA

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…