Santa Clara County, CA

ZIP 95138

In ZIP 95138, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Zone 7 Water Agency has 1 contaminant at or over an EPA legal limit; 18 contaminants are above health goals, led by pfos at 21× California’s Public Health Goal.
• Nearest Superfund site: Fairchild Semiconductor Corp. (south San Jose Plant), 1.4 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Tesla Inc. (78%), mostly cobalt compounds.
• Fine particles (PM2.5) average 9.1 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 95138

• Superfund sites nearbyC to F
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA to F
• Drinking water qualityB to F
• Pesticide useB to D
• Neighborhood health statusA to C
• Past wildfire impactsF
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsB to D

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…