San Bernardino County, CA

ZIP 92398

In ZIP 92398, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Helendale Community Service District has 4 contaminants at or over an EPA legal limit; 12 contaminants are above health goals, led by lead at 39× California’s Public Health Goal.
• Nearest Superfund site: Barstow Marine Corps Logistics Base, 9.5 miles away.
• Largest share of modeled toxic air from industry: Prc-Desoto International Inc. (34%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.3 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 92398

• Superfund sites nearbyD to F
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA to C
• Drinking water qualityC to F
• Pesticide useB to C
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA to C
• Noise levelsA to D
• Radiation signalsD

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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