💧 ZIP Water Report

Tap water in Vallejo, CA — ZIP 94534

3 public water systems serving about 152,625 people.

F
Failing

Water systems serving 94534

City Of Fairfield
PWSID CA4810003 · serves 120,720 · surface water
1 health-based / 2 total violations (5 yrs)
B
Suisun-Solano Water Authority
PWSID CA4810005 · serves 29,105 · surface water
11 health-based / 12 total violations (5 yrs)
F
City Of Vallejo-Lakes System
PWSID CA4810021 · serves 2,800 · 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