Grenada County, MS

ZIP 38940

In ZIP 38940, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Grenada meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 70× California’s Public Health Goal.
• Nearest Superfund site: Rockwell International Wheel & Trim, 5.6 miles away.
• Largest share of modeled toxic air from industry: Quality Steel Corp (96%), mostly chromium.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 377,735 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 38940

• Superfund sites nearbyA to C
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityB to C
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to C

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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