Los Angeles County, CA

ZIP 90670

In ZIP 90670, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Liberty Utilities - Bellflower-Norwalk has 2 contaminants at or over an EPA legal limit; 16 contaminants are above health goals, led by pfos at 32× California’s Public Health Goal.
• Nearest Superfund site: Waste Disposal, Inc., 3.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Heraeus Precious Metals Na LLC (28%), mostly hydrazine.
• Fine particles (PM2.5) average 15.2 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 90670

• 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 B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsB to D

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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