Tap water in San Jose, CA — ZIP 95966

2 public water systems serving about 33,685 people. PFAS "forever chemicals" have been detected here.

Good

PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5 testing. Levels and the 2024 federal limits are shown per system below.

Water systems serving 95966

South Feather W&p - Miners Ranch

PWSID CA0410006 · serves 22,638 · surface water

0 health-based / 0 total violations (5 yrs)

Cal-Water Service Co.-Oroville

PWSID CA0410005 · serves 11,047 · surface water

0 health-based / 1 total violations (5 yrs) · PFAS up to 5.7 ppt

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