Santa Cruz County, CA

ZIP 95006

In ZIP 95006, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: San Lorenzo Valley Water Dist meets every EPA legal limit; 19 contaminants are above health goals, led by pfos at 2.5× California’s Public Health Goal.
• Nearest Superfund site: Watkins-Johnson Co. (stewart Division Plant), 4.8 miles away.
• Largest share of modeled toxic air from industry: Tesla Inc. (89%), mostly cobalt compounds.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 702,318 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95006

• Superfund sites nearbyC to D
• Factories and industrial sitesA
• Oil and gas wellsA to F
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusB to C
• Past wildfire impactsD to F
• Past flood impactsB
• Noise levelsA
• Radiation signalsC

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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