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ZIP Code Lookup

Water quality in ZIP 92402

SAN BERNARDINO, California · 2 utilities serving 324,273 residents

Utilities serving this ZIP

Click any utility for full water quality details, contaminant testing data, treatment plant contact information, and recommended filters.

A
86/100

SAN BERNARDINO VALLEY WD

Serves 109,608 residents · SAN BERNARDINO, CA

  • Chromium (hexavalent) significantly above health guideline
  • Nitrate and nitrite significantly above health guideline
  • Nitrate significantly above health guideline
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D
57/100

SAN BERNARDINO CITY

Serves 214,665 residents · SAN BERNARDIN0, CA

  • PFAS contamination
  • Perfluorohexane sulfonate (PFHXS) significantly above health guideline
  • Arsenic significantly above health guideline
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Wondering what's in your water?

Every utility above publishes an annual Consumer Confidence Report (CCR) listing contaminants found in your water. Click any utility to see:

  • Detected contaminants and how they compare to health guidelines
  • Treatment plant contact information and water quality officer
  • Recent SDWA violations and resolution status
  • Filter recommendations matched to your specific water profile

Read our water safety guides →