Chesterfield County, VA

ZIP 23831

In ZIP 23831, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Chesterfield Co Central Water System meets every EPA legal limit; 10 contaminants are above health goals, led by pfos at 1.2× California’s Public Health Goal.
• Nearest Superfund site: Defense General Supply Center (dla), 4.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Sterilization Services Of Virginia (87%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 7,485 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 23831

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

Based on 9 census tracts · compiled October 25, 2026 · how each grade works and its sources

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