Tap water in San Jose, CA — ZIP 90274
2 public water systems serving about 170,902 people.
A
Excellent
Water systems serving 90274
California Water Service Co. - Herm/Redo
PWSID CA1910134 · serves 100,072 ·
surface water
0 health-based / 0 total violations (5 yrs)
California Water Service Co. - Palos Ver
PWSID CA1910104 · serves 70,830 ·
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