McDonald County, MO

ZIP 64843

In ZIP 64843, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Shady Lane Subdivision meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 11× California’s Public Health Goal.
• Nearest Superfund site: Pools Prairie, 3.4 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Owens Corning Insulating Systems LLC (30%), mostly chromium.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 31,055 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 64843

• Superfund sites nearbyD to F
• Factories and industrial sitesB to C
• Oil and gas wellsA to F
• Parks and nature nearbyC
• Air qualityB to C
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsC

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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