Alameda County, CA

ZIP 94586

In ZIP 94586, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Santa Clara Valley Water District meets every EPA legal limit; 14 contaminants are above health goals, led by pfos at 3.7× California’s Public Health Goal.
• Nearest Superfund site: Lawrence Livermore Natl Lab, Main Site (usdoe), 9.6 miles away.
• Largest share of modeled toxic air from industry: Tesla Inc. (34%), mostly cobalt compounds.
• Fine particles (PM2.5) average 7.5 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 94586

• Superfund sites nearbyA to C
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityB to C
• Drinking water qualityC to F
• Pesticide useB to D
• Neighborhood health statusA to B
• Past wildfire impactsC to F
• Past flood impactsA to B
• Noise levelsA
• Radiation signalsC

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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