Los Angeles County, CA

ZIP 90704

In ZIP 90704, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: So. Cal. Edison Co.-Santa Catalina meets every EPA legal limit; 12 contaminants are above health goals, led by gross beta particle activity at 6.8× PollutionProfile review of EPA standards.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Phillips 66 Los Angeles Refinery Wilmington Plant (31%), mostly hydrogen cyanide.
• 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 90704

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA to F
• Drinking water qualityC
• Pesticide useB
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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