Tap water in Oakland, CA — ZIP 94552
2 public water systems serving about 1,812,000 people. PFAS "forever chemicals" have been detected here.
A
Excellent
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 94552
East Bay Mud
PWSID CA0110005 · serves 1,468,000 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5.2 ppt
Alameda County Water District
PWSID CA0110001 · serves 344,000 ·
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