Orange County, CA
ZIP 92676
In ZIP 92676, 8 of the 12 things we check have at least one part graded D or F.
- Drinking water: Elsinore Valley Mwd has 3 contaminants at or over an EPA legal limit; 22 contaminants are above health goals, led by lead at 20× California’s Public Health Goal.
- Nearest Superfund site: El Toro Marine Corps Air Station, 3.4 miles away.
- Largest share of modeled toxic air from industry: Sterigenics-Ontario Facility (27%), 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 206,209 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 92676
- Superfund sites nearbyC to F
- Factories and industrial sitesC to D
- Oil and gas wellsC
- Parks and nature nearbyB to C
- Air qualityA to F
- Drinking water qualityC to F
- Pesticide useC to D
- Neighborhood health statusA to C
- Past wildfire impactsF
- Past flood impactsA to C
- Noise levelsA to D
- Radiation signalsC to D
Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources
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