New Madrid County, MO

ZIP 63863

In ZIP 63863, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Dunklin County Pwsd 1 meets every EPA legal limit; 2 contaminants are above health goals, led by lithium at 5.3× the USGS health-based screening level.
• Nearest Superfund site: Bee Cee Manufacturing Co., 1.9 miles away.
• Largest share of modeled toxic air from industry: Srg Global Portageville (64%), mostly nickel compounds.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 575,590 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 63863

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

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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