Population Served
631.4K
Service Connections
106.5K
Total Violations
130
Health-Based Violations
3
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2018-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- HONOLULU
- ZIP Code
- 96843
- Counties Served
- Honolulu
- Cities Served
- HONOLULU-WINDWARD-PEARLHARBOR
- Open Violations
- 0
- State
- Hawaii
Violation Summary
130
Total Violations
3
Health-Based
0
Open Now
Most recent violation: 2013-10-01
Explore Hawaii Water Quality
See all water systems, lead data, and violation trends for Hawaii.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: HI0000331.SafeWater Home