Washington County, MO

ZIP 63622

In ZIP 63622, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Washington County Pwsd 2 meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 48× California’s Public Health Goal.
• Nearest Superfund site: Washington County Lead District - Furnace Creek, 6.4 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Buick Resource Recycling Facility LLC (99%), mostly arsenic compounds.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,730 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 63622

• Superfund sites nearbyF
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to F
• Pesticide useD
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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