County Water Quality Report

Duval County, Florida

2 public water systems serving 1,737,664 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
D
68/100
Utilities rated 2
Population served 1,737,664
Most recent test 2024

Top water quality concerns in Duval County

  • Haloacetic acids (HAA9) significantly above health guidelinein 1 of 2 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 1 of 2 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 1 of 2 utilities
  • Arsenic detectedin 1 of 2 utilities
  • Arsenic significantly above health guidelinein 1 of 2 utilities

All utilities in Duval County

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

C
73/100

JEA MAJOR GRID

JACKSONVILLE · 826,664 residents

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

View report →
D
64/100

Jacksonville Department of Public Works

Jacksonville · 911,000 residents

Top concern: Arsenic significantly above health guideline

View report →