Tunica County, MS

ZIP 38664

In ZIP 38664, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Tunica County Utility District meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 165× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Sterilization Services Of Tennessee (90%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 360,507 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 38664

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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