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County Water Quality Report

Sacramento County, California

7 public water systems serving 1,635,899 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
D
63/100
Utilities rated 7
Population served 1,635,899
Most recent test 2024
🇪🇺 Would fail EU standards 1 of 7

Top water quality concerns in Sacramento County

  • Haloacetic acids (HAA9) significantly above health guidelinein 5 of 7 utilities
  • PFAS contaminationin 4 of 7 utilities
  • Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 4 of 7 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 4 of 7 utilities
  • Arsenic detectedin 3 of 7 utilities

All utilities in Sacramento County

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

B
78/100

FOLSOM, CITY OF - MAIN

FOLSOM · 80,969 residents

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

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B
76/100

Sacramento Water Authority

Sacramento · 525,000 residents

Top concern: Lead detected in source water

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C
69/100

CITRUS HEIGHTS WATER DISTRICT

CITRUS HEIGHTS · 67,818 residents

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

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C
66/100

CAL AM - SUBURBAN ROSEMONT

SACRAMENTO · 54,793 residents

Top concern: PFAS contamination

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D
57/100

SACRAMENTO SUBURBAN WATER DISTRICT

SACRAMENTO · 194,444 residents

Top concern: PFAS contamination

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F
48/100

CITY OF SACRAMENTO MAIN

SACRAMENTO · 527,979 residents

Top concern: PFAS contamination

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F
45/100

SCWA - LAGUNA/VINEYARD

SACRAMENTO · 184,896 residents

Top concern: PFAS contamination

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