Commonwealth Utilities Corp (Rota)
MP — Community Water System — PWSID: MP0000003
System Information
| PWSID | MP0000003 |
| System Name | Commonwealth Utilities Corp (Rota) |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Jan 21, 1981 |
| Last Reported | Dec 19, 2025 |
Location & Contact
| State | MP |
| City | Saipan |
| ZIP Code | 96950 |
| Address | Joeten Dandan Building |
| Organization | Commonwealth Utility Corporation |
| Phone | 6706644282 |
Population & Service
| Population Served | 2,504 |
| Service Connections | 1,014 |
Drinking Water Violations (23)
This water system has 23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 30, 2022 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | May 8, 2023 | Ground Water Rule |
| Nov 30, 2022 | — | Public Notice | Other | No | No | — | — | — | Resolved | May 8, 2023 | Public Notice Rule and Revised PN Rule |
| Feb 29, 2020 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | May 26, 2022 | Ground Water Rule |
| Jun 1, 2007 | Jun 30, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | Total Coliform Rule |
| Jun 1, 2007 | Jun 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | Total Coliform Rule |
| Jun 1, 2007 | Jun 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | Total Coliform Rule |
| Jun 1, 2007 | Jun 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Jan 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 7, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 7, 2005 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 7, 2005 | Lead and Copper Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 7, 2005 | Lead and Copper Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 10, 2005 | Lead and Copper Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 10, 2005 | Lead and Copper Rule |
| Jan 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 10, 2005 | Lead and Copper Rule |
| Jan 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 10, 2005 | Lead and Copper Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 26, 2001 | Total Coliform Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 26, 2001 | Total Coliform Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 26, 2001 | Total Coliform Rule |
| Jul 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 8, 2003 | Lead and Copper Rule |
| Jul 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 8, 2003 | 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.