County Water Quality Report

Merced County, California

1 public water system serving 93,692 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
F
51/100
Utilities rated 1
Population served 93,692

Top water quality concerns in Merced County

  • PFAS contaminationin 1 of 1 utilities
  • Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 1 of 1 utilities
  • Arsenic significantly above health guidelinein 1 of 1 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 1 of 1 utilities

All utilities in Merced County

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

F
51/100

CITY OF MERCED

MERCED · 93,692 residents

Top concern: PFAS contamination

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