Maries County, MO

ZIP 65443

In ZIP 65443, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Maries County Pwsd 1 South meets every EPA legal limit; 1 contaminant is above health goals, led by lead at 20× California’s Public Health Goal.
• Nearest Superfund site: Vienna Wells, 4.9 miles away.
• Largest share of modeled toxic air from industry: B.W.Freeman Inc. (56%), mostly diisocyanates.
• Fine particles (PM2.5) average 6.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 10,328 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 65443

• Superfund sites nearbyC
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD
• Pesticide useF
• 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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