Allen Parish, LA

ZIP 70637

In ZIP 70637, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: West Allen Parish Water System meets every EPA legal limit; 9 contaminants are above health goals, led by chloroform at 127× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Sasol Chemicals (USA) Llc-Lake Charles Chemical Complex (47%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 54,867 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70637

• Superfund sites nearbyA to C
• Factories and industrial sitesD
• Oil and gas wellsA to D
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityC
• Pesticide useD to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsA to B

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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