County Water Quality Report

Washoe County, Nevada

2 public water systems serving 706,000 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
F
54/100
Utilities rated 2
Population served 706,000
Most recent test 2024

Top water quality concerns in Washoe County

  • Arsenic significantly above health guidelinein 2 of 2 utilities
  • PFAS contaminationin 1 of 2 utilities
  • Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 1 of 2 utilities
  • Haloacetic acids (HAA9) significantly above health guidelinein 1 of 2 utilities
  • Chromium-6 detectedin 1 of 2 utilities

All utilities in Washoe County

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

D
62/100

Reno Water Authority

Reno · 264,000 residents

Top concern: Arsenic significantly above health guideline

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F
47/100

TRUCKEE MEADOWS WATER AUTHORITY

RENO · 442,000 residents

Top concern: PFAS contamination

View report →