Water Quality in Honolulu, HI (96857)
EPA violation data for public water systems serving ZIP code 96857.
No Health-Based Violations
None of the 9 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 36% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
4,039
Population
9
Water Systems
2
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (9)
Hnl-Windward-Pearl Harbor
Waipahu-Ewa-Waianae
Joint Base Pearl Harbor-Hickam
Mililani
Board Of Water Supply
Schofield Barracks
Fort Shafter
Aliamanu
Tripler Army Medical Cntr
Contaminants Found
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Honolulu (96857) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.