💧 ZIP Water Report

Tap water in Vallejo, CA — ZIP 94590

1 public water system serving about 121,420 people.

A
Excellent

Water systems serving 94590

City Of Vallejo
PWSID CA4810007 · serves 121,420 · surface water
0 health-based / 0 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology