Orange County, CA
ZIP 92629
In ZIP 92629, 6 of the 12 things we check have at least one part graded D or F.
- Drinking water: Smwd - Sj Ground Water Plant has 5 contaminants at or over an EPA legal limit; 18 contaminants are above health goals, led by nitrite at 11× https://pmc.ncbi.nlm.nih.gov/articles/PMC4535738/.
- Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
- Largest share of modeled toxic air from industry: Acra Aerospace (29%), mostly chromium.
- Fine particles (PM2.5) average 9.3 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 92629
- Superfund sites nearbyA to C
- Factories and industrial sitesB
- Oil and gas wellsC
- Parks and nature nearbyD
- Air qualityD to F
- Drinking water qualityD to F
- Pesticide useC to D
- Neighborhood health statusB to C
- Past wildfire impactsA to D
- Past flood impactsA
- Noise levelsA to D
Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources
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