Commonwealth Utilities Corp (Tinian)
MP - Community Water System - PWSID: MP0000002
System Information
| PWSID | MP0000002 |
| System Name | Commonwealth Utilities Corp (Tinian) |
| 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 | Mar 18, 2026 |
Location & Contact
| State | MP |
| City | Saipan |
| ZIP Code | 96950 |
| Address | Joeten Dandan Building |
| Organization | Commonwealth Utility Corporation |
| Phone | 6706644282 |
Population & Service
| Population Served | 3,005 |
| Service Connections | 733 |
Drinking Water Violations (17)
This water system has 17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Dec 31, 2022 | - | TT | Yes | No | - | - | - | Resolved | Feb 28, 2023 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2022 | - | |
| Jul 30, 2019 | - | TT | Yes | No | - | - | - | Resolved | Aug 2, 2022 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Apr 1, 2008 | Apr 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2008 | - | |
| Apr 1, 2007 | Apr 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2007 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 14, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 14, 2005 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 14, 2005 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 14, 2005 | - | |
| Jul 1, 2002 | - | MR | No | No | - | TT | - | Resolved | May 24, 2005 | - | |
| Jul 1, 2002 | - | MR | No | No | - | TT | - | Resolved | May 24, 2005 | - | |
| Jan 1, 2002 | - | MR | No | No | - | TT | - | Resolved | May 24, 2005 | - | |
| Jan 1, 2002 | - | MR | No | No | - | TT | - | Resolved | May 24, 2005 | - | |
| Jul 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Jun 26, 2003 | - | |
| Jul 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Jun 26, 2003 | - |
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.