Tap water in Honolulu, HI — ZIP 96797
2 public water systems serving about 228,995 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 96797
Waipahu-Ewa-Waianae
PWSID HI0000335 · serves 217,479 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 3.3 ppt
Waipio Heights
PWSID HI0000334 · serves 11,516 ·
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