Los Angeles County, CA
ZIP 90275
In ZIP 90275, 4 of the 12 things we check have at least one part graded D or F.
- Drinking water: California Water Service Co. - Palos Ver meets every EPA legal limit; 8 contaminants are above health goals, led by lithium at 4.8× the USGS health-based screening level.
- 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 sitesC to F
- Oil and gas wellsC to F
- Parks and nature nearbyB to C
- Air qualityD to F
- Drinking water qualityC
- Pesticide useB to C
- Neighborhood health statusA to B
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to B
Based on 13 census tracts · compiled October 25, 2026 · how each grade works and its sources
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