Marion County, MS

ZIP 39478

In ZIP 39478, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lexie Water Association, Inc. meets every EPA legal limit; 4 contaminants are above health goals, led by dibromochloromethane at 3.3× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: International Paper Bogalusa Mill (99%), mostly formaldehyde.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 21,404 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 39478

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsD
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityA to B
• Pesticide useD to F
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsA

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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