Contra Costa County, CA

ZIP 94519

In ZIP 94519, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Pittsburg meets every EPA legal limit; 16 contaminants are above health goals, led by lead at 16× California’s Public Health Goal.
• Nearest Superfund site: Concord Naval Weapons Station, 2.3 miles away.
• Largest share of modeled toxic air from industry: Shell Catalysts & Technologies - Pittsburg (32%), mostly cobalt compounds.
• Fine particles (PM2.5) average 9.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 98,092 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 94519

• Superfund sites nearbyF
• Factories and industrial sitesD
• Oil and gas wellsD
• Parks and nature nearbyC to F
• Air qualityF
• Drinking water qualityD
• Pesticide useC to D
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsC

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

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