Beauregard Parish, LA
ZIP 70657
In ZIP 70657, 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.
- Nearest Superfund site: Gulf State Utilities-North Ryan Street, 7.9 miles away.
- Largest share of modeled toxic air from industry: Lacc LLC Us/Lotte Chemical Louisiana LLC (42%), 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 70657
- Superfund sites nearbyA to C
- Factories and industrial sitesB to D
- Oil and gas wellsA to F
- Parks and nature nearbyC to D
- Air qualityB to C
- Drinking water qualityD to F
- Pesticide useD to F
- Neighborhood health statusC to F
- Past wildfire impactsA
- Past flood impactsB to C
- Noise levelsA
- Radiation signalsB to C
Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources
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Other ZIP codes in Beauregard Parish
All of Beauregard Parish · All of Louisiana · How grades work