County Water Quality Report

Yakima County, Washington

1 public water system serving 112,858 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
D
67/100
Utilities rated 1
Population served 112,858

Top water quality concerns in Yakima County

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

All utilities in Yakima County

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

C
67/100

YAKIMA WATER DIVISION CITY OF

Yakima · 112,858 residents

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

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