Orange County, CA

ZIP 92646

In ZIP 92646, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Huntington Beach has 1 contaminant at or over an EPA legal limit; 16 contaminants are above health goals, led by lead at 34× California’s Public Health Goal.
• Nearest Superfund site: Ralph Gray Trucking Co., 5.2 miles away.
• Largest share of modeled toxic air from industry: Certified Alloy Products Inc (45%), mostly cobalt.
• Fine particles (PM2.5) average 9.5 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 92646

• Superfund sites nearbyA
• Factories and industrial sitesD to F
• Oil and gas wellsF
• Parks and nature nearbyD to F
• Air qualityF
• Drinking water qualityD to F
• Pesticide useC to D
• Neighborhood health statusA to C
• Past wildfire impactsC
• Past flood impactsA
• Noise levelsA to D

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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