Tap water in Santa Monica, HI — ZIP 90401

2 public water systems serving about 91,579 people. PFAS "forever chemicals" have been detected here.

Fair

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 90401

Santa Monica-City, Water Division

PWSID CA1910146 · serves 90,729 · surface water

0 health-based / 0 total violations (5 yrs) · PFAS up to 22 ppt — above federal limit

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