San Diego County, CA

ZIP 92055

In ZIP 92055, 4 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.
• Nearest Superfund site: Camp Pendleton Marine Corps Base, 1.2 miles away.
• Largest share of modeled toxic air from industry: Steris Inc (48%), mostly ethylene oxide.
• Fine particles (PM2.5) average 5.8 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 92055

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityB to F
• Pesticide useF
• Neighborhood health statusA
• Past wildfire impactsF
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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