Alcorn County, MS

ZIP 38846

In ZIP 38846, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: First U.d. Of Hardin County has 2 contaminants at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 16× 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: Mississippi Silicon LLC (38%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 14,369 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 38846

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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