St. Bernard Parish, LA

ZIP 70043

In ZIP 70043, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: St Bernard Parish Waterworks meets every EPA legal limit; 19 contaminants are above health goals, led by pfoa at 529× California’s Public Health Goal.
• Nearest Superfund site: Agriculture Street Landfill, 5.5 miles away.
• Largest share of modeled toxic air from industry: Rain Cii Carbon LLC (47%), mostly nickel compounds.
• Fine particles (PM2.5) average 9.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 363 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70043

• Superfund sites nearbyA to D
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityC to F
• Drinking water qualityD
• Pesticide useB to C
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsB to C

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

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