Washington Parish, LA

ZIP 70438

In ZIP 70438, 4 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Varnado Water Works - Pine meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 63× California’s Public Health Goal.
  • Nearest Superfund site: Colonial Creosote, 7.1 miles away.
  • Largest share of modeled toxic air from industry: International Paper Bogalusa Mill (100%), mostly formaldehyde.
  • Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
  • About 28,567 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 70438

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

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…

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