Santa Barbara County, CA

ZIP 93109

In ZIP 93109, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Santa Barbara Water Department has 3 contaminants at or over an EPA legal limit; 17 contaminants are above health goals, led by lead at 155× 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: Nusil Technology LLC (100%), mostly ethylbenzene.
• Fine particles (PM2.5) average 8.0 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 93109

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsA to D
• Parks and nature nearbyD to F
• Air qualityC to D
• Drinking water qualityF
• Pesticide useF
• Neighborhood health statusB to C
• Past wildfire impactsD
• Past flood impactsB
• Noise levelsA to D

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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