Kern County, CA
ZIP 93311
In ZIP 93311, 9 of the 12 things we check have at least one part graded D or F.
- Drinking water: South Kern Mutual Water Company has 1 contaminant at or over an EPA legal limit; 7 contaminants are above health goals, led by pfoa at 171× California’s Public Health Goal.
- 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: Clean Harbors Buttonwillow LLC (62%), mostly asbestos (friable).
- Fine particles (PM2.5) average 12.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 9,409,038 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 93311
- Superfund sites nearbyA
- Factories and industrial sitesA to D
- Oil and gas wellsD to F
- Parks and nature nearbyA to C
- Air qualityD to F
- Drinking water qualityB to D
- Pesticide useF
- Neighborhood health statusA to D
- Past wildfire impactsA to D
- Past flood impactsA to B
- Noise levelsA to D
- Radiation signalsD to F
Based on 16 census tracts · compiled October 25, 2026 · how each grade works and its sources
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