San Bernardino County, CA
ZIP 92308
In ZIP 92308, 7 of the 12 things we check have at least one part graded D or F.
- Drinking water: Arrowbear Park Cwd has 1 contaminant at or over an EPA legal limit; 5 contaminants are above health goals, led by uranium at 302× California’s Public Health Goal.
- Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
- Largest share of modeled toxic air from industry: Cemex Construction Materials Pacific LLC (33%), mostly chromium.
- Fine particles (PM2.5) average 9.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 52,223 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 92308
- Superfund sites nearbyA to C
- Factories and industrial sitesA to C
- Oil and gas wellsA to C
- Parks and nature nearbyA to D
- Air qualityB to F
- Drinking water qualityA to F
- Pesticide useA
- Neighborhood health statusB to F
- Past wildfire impactsC to F
- Past flood impactsC to D
- Noise levelsA to C
- Radiation signalsD to F
Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources
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