DeSoto County, MS

ZIP 38637

In ZIP 38637, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Walls Water Assn- Lake Forest meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 15× California’s Public Health Goal.
• Nearest Superfund site: Memphis Defense Depot (dla), 9.5 miles away.
• Largest share of modeled toxic air from industry: Sterilization Services Of Tennessee (92%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 107,013 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 38637

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

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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