Los Angeles County, CA
ZIP 90063
In ZIP 90063, 8 of the 12 things we check have at least one part graded D or F.
- Drinking water: California Water Service Co. - Ela has 2 contaminants at or over an EPA legal limit; 18 contaminants are above health goals, led by nitrate at 1.3× https://journals.plos.org/water/article?id=10.1371/journal.pwat.0000329, https://www.polkcountyiowa.gov/media/lixlchbz/ciswra-currents-of-change_final-scientific-assessment-of-source-water-research-report_jun272025.pdf#page=222.
- Nearest Superfund site: Pemaco Maywood, 3.1 miles away (3 within 10 miles).
- Largest share of modeled toxic air from industry: Sterigenics US LLC La 50Th (39%), mostly ethylene oxide.
- Fine particles (PM2.5) average 14.2 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 90063
- Superfund sites nearbyF
- Factories and industrial sitesF
- Oil and gas wellsF
- Parks and nature nearbyC to D
- Air qualityF
- Drinking water qualityC to F
- Pesticide useB to C
- Neighborhood health statusA to D
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to D
Based on 20 census tracts · compiled October 25, 2026 · how each grade works and its sources
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