Santa Clara County, CA

ZIP 95125

In ZIP 95125, 7 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: Lorentz Barrel & Drum Co., 2.6 miles away (3 within 10 miles).
  • Largest share of modeled toxic air from industry: Tesla Inc. (70%), mostly cobalt compounds.
  • Fine particles (PM2.5) average 9.6 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 95125

  • Superfund sites nearbyD to F
  • Factories and industrial sitesC
  • Oil and gas wellsA
  • Parks and nature nearbyD to F
  • Air qualityD to F
  • Drinking water qualityF
  • Pesticide useC
  • Neighborhood health statusA to B
  • Past wildfire impactsF
  • Past flood impactsA to B
  • Noise levelsA to D
  • Radiation signalsC to D

Based on 16 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…

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