San Bernardino County, CA

ZIP 92369

In ZIP 92369, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: East Valley Water District meets every EPA legal limit; 17 contaminants are above health goals, led by pfos at 2.1× California’s Public Health Goal.
• Nearest Superfund site: Norton Air Force Base (lndfll #2), 3.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Sterigenics-Ontario Facility (85%), mostly ethylene oxide.
• Fine particles (PM2.5) average 10.8 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 92369

• Superfund sites nearbyF
• Factories and industrial sitesC
• Oil and gas wellsC
• Parks and nature nearbyC
• Air qualityF
• Drinking water qualityC
• Pesticide useA
• Neighborhood health statusF
• Past wildfire impactsF
• Past flood impactsC
• Noise levelsA
• Radiation signalsF

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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