Forrest County, MS

ZIP 39406

In ZIP 39406, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Petal meets every EPA legal limit; 5 contaminants are above health goals, led by arsenic at 79× California’s Public Health Goal.
• Nearest Superfund site: Davis Timber Company, 3.9 miles away.
• Largest share of modeled toxic air from industry: Howard Industries Inc. (60%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 10,017 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 39406

• Superfund sites nearbyD
• Factories and industrial sitesF
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityD
• Drinking water qualityB
• Pesticide useB
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsA

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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