Calcasieu Parish, LA

ZIP 70663

In ZIP 70663, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Calcasieu Parish Ww 12 Ward 3 meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 32× California’s Public Health Goal.
• Nearest Superfund site: Gulf State Utilities-North Ryan Street, 6.1 miles away.
• Largest share of modeled toxic air from industry: Lacc LLC Us/Lotte Chemical Louisiana LLC (67%), 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 73,525 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70663

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

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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