Maries County, MO

ZIP 65459

In ZIP 65459, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Vienna Pws has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 21× California’s Public Health Goal.
• Nearest Superfund site: Vienna Wells, 0.7 miles away.
• Largest share of modeled toxic air from industry: US Army Maneuver Support Center Imld-Pw-E (85%), mostly lead compounds.
• 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 65459

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

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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