DeSoto County, MS

ZIP 38654

In ZIP 38654, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Town Of Byhalia meets every EPA legal limit; 7 contaminants are above health goals, led by lithium at 3.8× the USGS health-based screening level.
• Nearest Superfund site: Walker Machine Products, Inc., 7.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Sterilization Services Of Tennessee (86%), mostly ethylene oxide.
• Fine particles (PM2.5) average 9.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 62,706 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 38654

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

Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources

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