County Water Quality Report

Canyon County, Idaho

2 public water systems serving 174,200 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 2
Population served 174,200

Top water quality concerns in Canyon County

  • Arsenic significantly above health guidelinein 2 of 2 utilities
  • Chromium (hexavalent) significantly above health guidelinein 2 of 2 utilities
  • Dibromoacetic acid significantly above health guidelinein 1 of 2 utilities

All utilities in Canyon County

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

C
66/100

CALDWELL CITY OF

CALDWELL · 74,000 residents

Top concern: Arsenic significantly above health guideline

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D
60/100

NAMPA CITY OF

NAMPA · 100,200 residents

Top concern: Arsenic significantly above health guideline

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