Ventura County, CA

ZIP 93021

In ZIP 93021, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Camrosa Water District has 2 contaminants at or over an EPA legal limit; 19 contaminants are above health goals, led by lead at 49× California’s Public Health Goal.
• Nearest Superfund site: Pacific Coast Pipeline, 1.9 miles away.
• Largest share of modeled toxic air from industry: Klune Industries Inc. (32%), mostly diisocyanates.
• Fine particles (PM2.5) average 8.7 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 93021

• Superfund sites nearbyA to F
• Factories and industrial sitesB to C
• Oil and gas wellsC to F
• Parks and nature nearbyB to D
• Air qualityB to F
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusB to C
• Past wildfire impactsD to F
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to D

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…