San Bernardino County, CA

ZIP 92307

In ZIP 92307, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sbdno County Service Area 64 meets every EPA legal limit; 10 contaminants are above health goals, led by pfos at 2.8× California’s Public Health Goal.
• Nearest Superfund site: George Air Force Base, 7.4 miles away.
• Largest share of modeled toxic air from industry: Cemex Construction Materials Pacific LLC (92%), mostly chromium.
• Fine particles (PM2.5) average 8.7 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 92307

• Superfund sites nearbyA to D
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityB to D
• Drinking water qualityB to F
• Pesticide useB to C
• Neighborhood health statusC to F
• Past wildfire impactsA to F
• Past flood impactsC to D
• Noise levelsA to C
• Radiation signalsD

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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