Ventura County, CA
ZIP 93252
In ZIP 93252, 9 of the 12 things we check have at least one part graded D or F.
- Drinking water: Calleguas Municipal Water Dist meets every EPA legal limit; 14 contaminants are above health goals, led by lead at 35× California’s Public Health Goal.
- Closer to Superfund sites than 58% 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 (99%), mostly asbestos (friable).
- Fine particles (PM2.5) average 8.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 2,496,015 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 93252
- Superfund sites nearbyA to C
- Factories and industrial sitesA to D
- Oil and gas wellsA to F
- Parks and nature nearbyB to C
- Air qualityA to D
- Drinking water qualityD to F
- Pesticide useF
- Neighborhood health statusC to F
- Past wildfire impactsA to F
- Past flood impactsA to B
- Noise levelsA to D
- Radiation signalsD to F
Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources
Loading the full report, with every source…