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 has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by arsenic at 4,250× 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: Lacc LLC Us/Lotte Chemical Louisiana LLC (43%), 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 25,457 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70637

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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