Livingston Parish, LA

ZIP 70462

In ZIP 70462, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Pontchatoula Water System meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 61× California’s Public Health Goal.
• Nearest Superfund site: Delatte Metals, 5.6 miles away.
• Largest share of modeled toxic air from industry: Evonik Corp (27%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 124,831 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70462

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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