San Diego County, CA

ZIP 92054

In ZIP 92054, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Camp Pendleton (South) has 2 contaminants at or over an EPA legal limit; 26 contaminants are above health goals, led by pfos at 44× California’s Public Health Goal.
• Closer to Superfund sites than 89% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Steris Inc (80%), mostly ethylene oxide.
• Fine particles (PM2.5) average 9.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 344,328 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 92054

• Superfund sites nearbyD to F
• Factories and industrial sitesB to C
• Oil and gas wellsC
• Parks and nature nearbyD to F
• Air qualityC to F
• Drinking water qualityB to F
• Pesticide useC
• Neighborhood health statusB to C
• Past wildfire impactsC to D
• Past flood impactsA
• Noise levelsA to F
• Radiation signalsC

Based on 17 census tracts · compiled September 10, 2026 · how each grade works and its sources

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