County Water Quality Report

Black Hawk County, Iowa

1 public water system serving 69,504 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 1
Population served 69,504

Top water quality concerns in Black Hawk County

  • Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 1 of 1 utilities
  • Arsenic significantly above health guidelinein 1 of 1 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 1 of 1 utilities

All utilities in Black Hawk County

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

D
63/100

WATERLOO WATER WORKS

WATERLOO · 69,504 residents

Top concern: Perfluorohexane sulfonate (PFHXS) significantly above health guideline

View report →