Alameda County, CA

ZIP 94502

In ZIP 94502, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: East Bay Mud meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 48× California’s Public Health Goal.
• Nearest Superfund site: Alameda Naval Air Station, 4.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Tesla Inc. (27%), mostly cobalt compounds.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 57,837 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 94502

• Superfund sites nearbyD to F
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityF
• Drinking water qualityF
• Pesticide useB
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsC to F
• Radiation signalsC

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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