Los Angeles County, CA

ZIP 90242

In ZIP 90242, 7 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Liberty Utilities - Bellflower-Norwalk has 2 contaminants at or over an EPA legal limit; 17 contaminants are above health goals, led by lead at 33× California’s Public Health Goal.
  • Nearest Superfund site: Southern Avenue Industrial Area, 3.3 miles away (3 within 10 miles).
  • Largest share of modeled toxic air from industry: Certified Alloy Products Inc (25%), mostly cobalt.
  • Fine particles (PM2.5) average 13.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
  • About 250,208 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 90242

  • Superfund sites nearbyF
  • Factories and industrial sitesA to F
  • Oil and gas wellsF
  • Parks and nature nearbyD to F
  • Air qualityF
  • Drinking water qualityF
  • Pesticide useB to C
  • Neighborhood health statusA to C
  • Past wildfire impactsA
  • Past flood impactsA
  • Noise levelsA to D

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…

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