Tap water in San Jose, CA — ZIP 94063
3 public water systems serving about 185,226 people.
A
Excellent
Water systems serving 94063
City Of Redwood City
PWSID CA4110022 · serves 90,043 ·
surface water
0 health-based / 0 total violations (5 yrs)
California Water Service - Bear Gulch
PWSID CA4110006 · serves 60,382 ·
surface water
0 health-based / 0 total violations (5 yrs)
California Water Service - San Carlos
PWSID CA4110007 · serves 34,801 ·
surface water
0 health-based / 0 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology