County Water Quality Report

Cascade County, Montana

1 public water system serving 60,000 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
D
62/100
Utilities rated 1
Population served 60,000

Top water quality concerns in Cascade County

  • Haloacetic acids (HAA9) significantly above health guidelinein 1 of 1 utilities
  • Arsenic significantly above health guidelinein 1 of 1 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 1 of 1 utilities

All utilities in Cascade County

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

D
62/100

GREAT FALLS CITY OF

GREAT FALLS · 60,000 residents

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

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