Santa Cruz County, CA

ZIP 95010

In ZIP 95010, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Santa Cruz Water Department meets every EPA legal limit; 20 contaminants are above health goals, led by lead at 77× California’s Public Health Goal.
• Nearest Superfund site: Watkins-Johnson Co. (stewart Division Plant), 6.7 miles away.
• Largest share of modeled toxic air from industry: Trical Inc (89%), mostly chloropicrin.
• Fine particles (PM2.5) average 9.3 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 95010

• Superfund sites nearbyA to C
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityC to F
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusB to C
• Past wildfire impactsC
• Past flood impactsB
• Noise levelsA to C

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…