San Diego County, CA
ZIP 92136
In ZIP 92136, 6 of the 12 things we check have at least one part graded D or F.
- Drinking water: Sweetwater Authority has 1 contaminant at or over an EPA legal limit; 14 contaminants are above health goals, led by pfhxs at 1.9× California Notification Level.
- Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
- Largest share of modeled toxic air from industry: General Dynamics (Nassco) (64%), mostly ethylbenzene.
- Fine particles (PM2.5) average 9.4 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 92136
- Superfund sites nearbyA
- Factories and industrial sitesF
- Oil and gas wellsC
- Parks and nature nearbyB to D
- Air qualityF
- Drinking water qualityF
- Pesticide useB
- Neighborhood health statusA to B
- Past wildfire impactsC
- Past flood impactsA to D
- Noise levelsD
- Radiation signalsC
Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources
Loading the full report, with every source…