Fairfax County, VA

ZIP 22312

In ZIP 22312, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Alexandria, City Of meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 33× California’s Public Health Goal.
• Nearest Superfund site: Washington Navy Yard, 8.3 miles away.
• Largest share of modeled toxic air from industry: Micron Technology Inc. (18%), mostly benzene.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,774 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 22312

• Superfund sites nearbyA
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityD
• Drinking water qualityF
• Pesticide useB to C
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsB to D

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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