Fauquier County, VA

ZIP 20186

In ZIP 20186, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Waterloo Estates has 2 contaminants at or over an EPA legal limit; 9 contaminants are above health goals, led by pfhxs at 20× California Notification Level.
• Nearest Superfund site: Culpeper Wood Preservers, Inc., 7.9 miles away.
• Largest share of modeled toxic air from industry: Micron Technology Inc. (69%), mostly chlorine.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 114,427 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 20186

• Superfund sites nearbyA to D
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityB
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC to D

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

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