County Water Quality Report

Benton County, Oregon

1 public water system serving 61,468 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
C
78/100
Utilities rated 1
Population served 61,468

Top water quality concerns in Benton 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

All utilities in Benton County

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

B
78/100

CORVALLIS, CITY OF

CORVALLIS · 61,468 residents

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

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