Winston County, MS

ZIP 39346

In ZIP 39346, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Louisville meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 25× California’s Public Health Goal.
• Nearest Superfund site: American Creosote Works Inc (louisville), 6.9 miles away.
• Largest share of modeled toxic air from industry: Kloeckner Metals Corp (86%), mostly chromium.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 12,233 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 39346

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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