Contra Costa County, CA
ZIP 94513
In ZIP 94513, 11 of the 12 things we check have at least one part graded D or F.
- Drinking water: Doubletree Ranch Water System has 1 contaminant at or over an EPA legal limit; 5 contaminants are above health goals, led by lead at 71× California’s Public Health Goal.
- Closer to Superfund sites than 61% of U.S. neighborhoods, with no listed site within 10 miles of its center.
- Largest share of modeled toxic air from industry: Owens-Brockway Glass Container Inc Plant #22 (23%), mostly chromium compounds.
- Fine particles (PM2.5) average 8.8 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 94513
- Superfund sites nearbyA to D
- Factories and industrial sitesB to D
- Oil and gas wellsA to F
- Parks and nature nearbyB to D
- Air qualityB to F
- Drinking water qualityA to F
- Pesticide useC to F
- Neighborhood health statusA to D
- Past wildfire impactsA to F
- Past flood impactsB
- Noise levelsA to D
- Radiation signalsC to D
Based on 21 census tracts · compiled September 10, 2026 · how each grade works and its sources
Loading the full report, with every source…