PALEHUA SOLAR OBSERVATORY
Hawaii — Non-Transient Non-Community — PWSID: HI0000370
System Information
| PWSID | HI0000370 |
| System Name | PALEHUA SOLAR OBSERVATORY |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 30, 1994 |
| Last Reported | Dec 8, 2025 |
Location & Contact
| State | Hawaii |
| City | HONOLULU |
| ZIP Code | 96813 |
| Address | GILL-OLSON JOINT VENTURE |
| Organization | GILL EWA LANDS, LLC |
| Phone | 808-523-6777 |
Population & Service
| Population Served | 50 |
| Service Connections | 10 |
Drinking Water Violations (11)
This water system has 11 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, 2009 | Jan 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2009 | Total Coliform Rule |
| Jan 1, 2009 | Jan 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2009 | Total Coliform Rule |
| Jan 1, 2009 | Jan 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2009 | Total Coliform Rule |
| Jul 1, 2008 | Dec 31, 2008 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2008 | Lead and Copper Rule |
| Jul 1, 2008 | Dec 31, 2008 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2008 | Lead and Copper Rule |
| Jul 1, 2008 | Dec 31, 2008 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2008 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2006 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2006 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 16, 2006 | Lead and Copper Rule |
| Nov 1, 1996 | Nov 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Nov 30, 1996 | Total Coliform Rule |
| Nov 1, 1996 | Nov 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Nov 30, 1996 | 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.