💧 ZIP Water Report

Tap water in Honolulu-Windward-Pearlharbor, HI — ZIP 96818

1 public water system serving about 631,389 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 96818

Hnl-Windward-Pearl Harbor
PWSID HI0000331 · serves 631,389 · groundwater
0 health-based / 0 total violations (5 yrs) · PFAS up to 3 ppt
A

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