Caroline County, VA

ZIP 22546

In ZIP 22546, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Woodford Estates Mhc meets every EPA legal limit; 4 contaminants are above health goals, led by lead at 15× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Sterilization Services Of Virginia (99%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 71,065 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 22546

• Superfund sites nearbyA to C
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to D
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA to C
• Noise levelsA
• Radiation signalsB to D

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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