County Water Quality Report

Durham County, North Carolina

2 public water systems serving 600,083 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 2
Population served 600,083
Most recent test 2024

Top water quality concerns in Durham County

  • PFAS contaminationin 1 of 2 utilities
  • Haloacetic acids (HAA9) significantly above health guidelinein 1 of 2 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 1 of 2 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 1 of 2 utilities
  • Lead detected in source waterin 1 of 2 utilities

All utilities in Durham County

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

C
68/100

Durham Water Authority

Durham · 278,000 residents

Top concern: Lead detected in source water

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D
55/100

DURHAM, CITY OF

DURHAM · 322,083 residents

Top concern: PFAS contamination

View report →