Washington County, MO

ZIP 63648

In ZIP 63648, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Leadwood Pws has 2 contaminants at or over an EPA legal limit; 9 contaminants are above health goals, led by bromodichloromethane at 24× 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 (93%), mostly arsenic compounds.
• Fine particles (PM2.5) average 6.7 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 63648

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

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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