Santa Barbara County, CA

ZIP 93460

In ZIP 93460, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cuyama Community Services District has 1 contaminant at or over an EPA legal limit; 8 contaminants are above health goals, led by arsenic at 6,984× 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: US Dod Usaf Vandenberg Afb (82%), mostly naphthalene.
• Fine particles (PM2.5) average 5.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,826,041 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 93460

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyA to C
• Air qualityA
• Drinking water qualityB to F
• Pesticide useD to F
• Neighborhood health statusC to D
• Past wildfire impactsF
• Past flood impactsB
• Noise levelsA
• Radiation signalsC to F

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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