WAIAHOLE
PWS ID: HI0000368 · HONOLULU, Hawaii 96813
Population Served
300
Total Violations
12
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- State
- Connections
- 112
- County
- Honolulu
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 4
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MCL | 3 | 2020 |
| E. COLI | MR | 3 | 2020 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.