County Water Quality Report

Santa Barbara County, California

3 public water systems serving 293,262 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
F
58/100
Utilities rated 3
Population served 293,262
🇪🇺 Would fail EU standards 1 of 3

Top water quality concerns in Santa Barbara County

  • Haloacetic acids (HAA9) significantly above health guidelinein 3 of 3 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 3 of 3 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 1 of 3 utilities
  • Arsenic detectedin 1 of 3 utilities
  • Arsenic significantly above health guidelinein 1 of 3 utilities

All utilities in Santa Barbara County

Click any utility for full grade card, contaminant data, and treatment plant contact info.

D
62/100

GOLETA WATER DISTRICT

GOLETA · 84,462 residents

Top concern: Haloacetic acids (HAA9) significantly above health guideline

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D
59/100

CITY OF SANTA BARBARA WATER DEPARTMENT

SANTA BARBARA · 99,323 residents

Top concern: Arsenic significantly above health guideline

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F
53/100

CITY OF SANTA MARIA UTILITIES DEPARTMENT

SANTA MARIA · 109,477 residents

Top concern: PFAS contamination

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