WAIAHOLE
Hawaii — Community Water System — PWSID: HI0000368
System Information
| PWSID | HI0000368 |
| System Name | WAIAHOLE |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 19, 1990 |
| Last Reported | Dec 8, 2025 |
Location & Contact
| State | Hawaii |
| City | HONOLULU |
| ZIP Code | 96813 |
| Address | HAWAII HOUSING FINANCE & DVLPMNT CORP |
| Organization | PRAHLER, RICHARD |
| Phone | — |
Population & Service
| Population Served | 300 |
| Service Connections | 112 |
Drinking Water Violations (6)
This water system has 6 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2020 | — | E. COLI | MR | No | No | — | — | — | Resolved | Jan 14, 2020 | Ground Water Rule |
| Feb 1, 2020 | — | E. COLI | MR | No | No | — | — | — | Resolved | Jan 14, 2020 | Ground Water Rule |
| Feb 1, 2020 | — | E. COLI | MR | No | No | — | — | — | Resolved | Jan 14, 2020 | Ground Water Rule |
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Jan 10, 2020 | Revised Total Coliform Rule |
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Jan 10, 2020 | Revised Total Coliform Rule |
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Jan 10, 2020 | Revised Total Coliform Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.