Los Angeles County, CA

ZIP 90275

In ZIP 90275, 7 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Los Angeles-City, Dept. Of Water & Power has 3 contaminants at or over an EPA legal limit; 30 contaminants are above health goals, led by pfos at 6.1× California’s Public Health Goal.
  • Nearest Superfund site: Montrose Chemical Corp., 6.7 miles away (2 within 10 miles).
  • Largest share of modeled toxic air from industry: Certified Alloy Products Inc (22%), mostly cobalt.
  • Fine particles (PM2.5) average 8.8 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 90275

  • Superfund sites nearbyA to D
  • Factories and industrial sitesD to F
  • Oil and gas wellsC to F
  • Parks and nature nearbyC to F
  • Air qualityD to F
  • Drinking water qualityD to F
  • Pesticide useB to D
  • Neighborhood health statusA to C
  • Past wildfire impactsA
  • Past flood impactsA
  • Noise levelsA to B

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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