Solano County, CA

ZIP 95688

In ZIP 95688, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Uc - Davis meets every EPA legal limit; 8 contaminants are above health goals, led by vanadium at 1.1× 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 (29%), 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 511,126 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95688

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

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

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