Los Angeles County, CA

ZIP 90077

In ZIP 90077, 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: San Fernando Valley (area 1), 8.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Certified Alloy Products Inc (29%), mostly cobalt.
• Fine particles (PM2.5) average 9.3 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 90077

• Superfund sites nearbyD
• Factories and industrial sitesD
• Oil and gas wellsC to F
• Parks and nature nearbyB to D
• Air qualityF
• Drinking water qualityD to F
• Pesticide useB to D
• Neighborhood health statusB
• Past wildfire impactsC
• Past flood impactsA
• Noise levelsA

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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