Tap water in Oakland, HI — ZIP 94611
2 public water systems serving about 1,468,850 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 94611
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
Kohala Ranch Water Co.
PWSID HI0000151 · serves 850 ·
groundwater
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