Local water quality
Water quality in Honolulu, Hawaii
9 public water systems · PFAS detected · EPA data
The bottom line
EPA records for the water serving Honolulu, Hawaii show Lead. A filter independently certified to reduce those exact contaminants is the most direct fix.
What's in Honolulu's water
Contaminants EPA has recorded across Honolulu's water systems, and how many certified filters remove each.
Water systems serving Honolulu
Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.
HNL-WINDWARD-PEARL HARBOR
631,389 people served
1 contaminant · 1 PFAS · report →
WAIPAHU-EWA-WAIANAE
217,479 people served
1 contaminant · 1 PFAS · report →
MILILANI
50,573 people served
1 contaminant · report →
WAHIAWA
23,348 people served
1 contaminant · report →
WAIPIO HEIGHTS
11,516 people served
1 contaminant · report →
WAIALUA-HALEIWA
9,996 people served
1 contaminant · report →
WAIALEE-SUNSET BEACH
4,916 people served
1 contaminant · report →
KAMEHAMEHA SCHOOLS
4,000 people served
1 contaminant · report →
THE QUEEN'S MEDICAL CENTER
3,440 people served
1 contaminant · report →
Filter your Honolulu water
Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.