Yolo County, CA

ZIP 95694

In ZIP 95694, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rural North Vacaville Water District meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 2,013× California’s Public Health Goal.
• Nearest Superfund site: Laboratory for Energy-Related Health Research/old Campus Landfill (usdoe), 5.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Valero Refining Co-Cali Fornia Benicia Refinery (19%), mostly nickel compounds.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,270,800 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95694

• Superfund sites nearbyA to D
• Factories and industrial sitesA to B
• Oil and gas wellsA to D
• Parks and nature nearbyB to C
• Air qualityB to D
• Drinking water qualityB to F
• Pesticide useF
• Neighborhood health statusB to C
• Past wildfire impactsA to F
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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