Solano County, CA

ZIP 94592

In ZIP 94592, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Vallejo-Lakes System meets every EPA legal limit; 10 contaminants are above health goals, led by arsenic at 360× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Phillips 66 San Francisco Refinery (43%), mostly sulfuric acid.
• Fine particles (PM2.5) average 8.9 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 94592

• Superfund sites nearbyA
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyA
• Air qualityF
• Drinking water qualityC
• Pesticide useD
• Neighborhood health statusA
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…