Jefferson Davis Parish, LA

ZIP 70591

In ZIP 70591, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Jeff Davis Central Waterworks District meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 48× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Lacc LLC Us/Lotte Chemical Louisiana LLC (50%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 232,244 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70591

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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