County Water Quality Report

Harford County, Maryland

1 public water system serving 104,567 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 104,567

Top water quality concerns in Harford 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 Harford County

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

C
67/100

HARFORD COUNTY D.P.W.

ABINGDON · 104,567 residents

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

View report →