Ventura County, CA

ZIP 93030

In ZIP 93030, 11 of the 12 things we check have at least one part graded D or F.

• Drinking water: Naval Base Ventura County, Port Hueneme meets every EPA legal limit; 9 contaminants are above health goals, led by lead at 35× California’s Public Health Goal.
• Nearest Superfund site: Halaco Engineering Company, 4.0 miles away.
• Largest share of modeled toxic air from industry: U.S. Navy Nbvc Naval Air Station Point Mugu (36%), mostly naphthalene.
• Fine particles (PM2.5) average 9.6 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 93030

• Superfund sites nearbyC to D
• Factories and industrial sitesC to D
• Oil and gas wellsF
• Parks and nature nearbyC to F
• Air qualityD to F
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusA to D
• Past wildfire impactsC to F
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to D

Based on 19 census tracts · compiled September 10, 2026 · how each grade works and its sources

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