County Water Quality Report

Guilford County, North Carolina

3 public water systems serving 734,987 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
F
58/100
Utilities rated 3
Population served 734,987
Most recent test 2024

Top water quality concerns in Guilford County

  • PFAS contaminationin 2 of 3 utilities
  • Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 2 of 3 utilities
  • Haloacetic acids (HAA9) significantly above health guidelinein 2 of 3 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 1 of 3 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 1 of 3 utilities

All utilities in Guilford County

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

C
72/100

Greensboro Municipal Water System

Greensboro · 297,000 residents

Top concern: Haloacetic Acids (HAA5) significantly above health guideline

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D
55/100

HIGH POINT, CITY OF

HIGH POINT · 118,399 residents

Top concern: PFAS contamination

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F
48/100

GREENSBORO, CITY OF

GREENSBORO · 319,588 residents

Top concern: PFAS contamination

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