County Water Quality Report

Butte County, California

1 public water system serving 114,925 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
F
56/100
Utilities rated 1
Population served 114,925

Top water quality concerns in Butte County

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

All utilities in Butte County

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

D
56/100

CAL-WATER SERVICE CO.-CHICO

SAN JOSE · 114,925 residents

Top concern: PFAS contamination

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