KALAHEO-KOLOA
Hawaii — Community Water System — PWSID: HI0000434
System Information
| PWSID | HI0000434 |
| System Name | KALAHEO-KOLOA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 6, 1992 |
| Last Reported | Dec 8, 2025 |
Location & Contact
| State | Hawaii |
| City | LIHUE |
| ZIP Code | 96766-5706 |
| Address | KAUAI DEPT. OF WATER |
| Organization | KNOFF, MARK |
| Phone | 808-245-5403 |
Population & Service
| Population Served | 12,660 |
| Service Connections | 5,376 |
Drinking Water Violations (2)
This water system has 2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2000 | Dec 8, 2003 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Dec 8, 2003 | Radionuclides and Revised Rad Rule |
| Jul 1, 1992 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 15, 1993 | Lead and Copper 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.