Los Angeles County, CA
ZIP 90041
In ZIP 90041, 8 of the 12 things we check have at least one part graded D or F.
- Drinking water: Pasadena Water And Power meets every EPA legal limit; 25 contaminants are above health goals, led by pfos at 1.8× California’s Public Health Goal.
- Nearest Superfund site: San Fernando Valley (area 4), 1.8 miles away (3 within 10 miles).
- Largest share of modeled toxic air from industry: Certified Alloy Products Inc (28%), mostly ethylene oxide.
- Fine particles (PM2.5) average 12.0 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 90041
- Superfund sites nearbyF
- Factories and industrial sitesC to D
- Oil and gas wellsC to F
- Parks and nature nearbyD to F
- Air qualityF
- Drinking water qualityF
- Pesticide useB to D
- Neighborhood health statusA to B
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to D
Based on 10 census tracts · compiled September 10, 2026 · how each grade works and its sources
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