Contra Costa County, CA
ZIP 94565
In ZIP 94565, 7 of the 12 things we check have at least one part graded D or F.
- Drinking water: Riverview Mobile Home Park has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfos at 21× California’s Public Health Goal.
- Nearest Superfund site: Concord Naval Weapons Station, 5.9 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 94565
- Superfund sites nearbyC to F
- Factories and industrial sitesC to F
- Oil and gas wellsA to F
- Parks and nature nearbyA to C
- Air qualityC to F
- Drinking water qualityC to F
- Pesticide useB to D
- Neighborhood health statusA to C
- Past wildfire impactsA to C
- Past flood impactsA to B
- Noise levelsA to D
- Radiation signalsA to C
Based on 25 census tracts · compiled October 25, 2026 · how each grade works and its sources
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