Iberville Parish, LA

ZIP 70740

In ZIP 70740, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Village Of Rosedale Water System meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 73× California’s Public Health Goal.
• Nearest Superfund site: Bayou Sorrel, 3.1 miles away.
• Largest share of modeled toxic air from industry: The Dow Chemical Co - Louisiana Operations (60%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 138,187 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70740

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

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

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