County Water Quality Report

St. Louis County, Minnesota

1 public water system serving 86,859 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 86,859

Top water quality concerns in St. Louis 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 St. Louis County

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

C
67/100

Duluth

Duluth · 86,859 residents

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

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