💧 ZIP Water Report

Tap water in Vallejo, CA — ZIP 94558

3 public water systems serving about 88,454 people.

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Excellent

Water systems serving 94558

Napa, City Of
PWSID CA2810003 · serves 84,804 · surface water
0 health-based / 0 total violations (5 yrs)
A
City Of Vallejo-Lakes System
PWSID CA4810021 · serves 2,800 · surface water
0 health-based / 0 total violations (5 yrs)
A
Kohala Ranch Water Co.
PWSID HI0000151 · serves 850 · groundwater
0 health-based / 0 total violations (5 yrs)
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Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology