Orange County, CA

ZIP 92705

In ZIP 92705, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: East Orange County Wd - Rz has 2 contaminants at or over an EPA legal limit; 13 contaminants are above health goals, led by pfos at 12× California’s Public Health Goal.
• Nearest Superfund site: Orange County North Basin, 6.4 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Commercial Metal Forming (30%), mostly chromium.
• Fine particles (PM2.5) average 12.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 206,209 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 92705

• Superfund sites nearbyA to D
• Factories and industrial sitesD to F
• Oil and gas wellsC to F
• Parks and nature nearbyB to D
• Air qualityF
• Drinking water qualityC to F
• Pesticide useB to C
• Neighborhood health statusA to B
• Past wildfire impactsD to F
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to D

Based on 24 census tracts · compiled October 25, 2026 · how each grade works and its sources

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