Santa Clara County, CA
ZIP 95120
In ZIP 95120, 7 of the 12 things we check have at least one part graded D or F.
- Drinking water: Las Cumbres Mutual Water Co meets every EPA legal limit; 11 contaminants are above health goals, led by arsenic at 110× California’s Public Health Goal.
- Nearest Superfund site: Fairchild Semiconductor Corp. (south San Jose Plant), 4.1 miles away.
- Largest share of modeled toxic air from industry: Tesla Inc. (80%), mostly cobalt compounds.
- Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 162,482 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 95120
- Superfund sites nearbyA to D
- Factories and industrial sitesB to D
- Oil and gas wellsA to F
- Parks and nature nearbyA to C
- Air qualityA to D
- Drinking water qualityB to C
- Pesticide useB to D
- Neighborhood health statusA to C
- Past wildfire impactsD to F
- Past flood impactsA to B
- Noise levelsA to B
- Radiation signalsB to D
Based on 15 census tracts · compiled October 25, 2026 · how each grade works and its sources
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