Caddo Parish, LA

ZIP 71109

In ZIP 71109, 9 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Town Of Greenwood Water System meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 54× California’s Public Health Goal.
  • Closer to Superfund sites than 62% of U.S. neighborhoods, with no listed site within 10 miles of its center.
  • Largest share of modeled toxic air from industry: Calumet Shreveport Refining LLC (69%), mostly benzene.
  • Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
  • About 244,659 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 71109

  • Superfund sites nearbyA to D
  • Factories and industrial sitesA to D
  • Oil and gas wellsF
  • Parks and nature nearbyD to F
  • Air qualityC to D
  • Drinking water qualityC to F
  • Pesticide useD to F
  • Neighborhood health statusD to F
  • Past wildfire impactsA
  • Past flood impactsB
  • Noise levelsA to F
  • Radiation signalsC

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

Loading the full report, with every source…

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