Commonwealth Utilities Corp (Saipan)
PWSID: MP0000001 · Saipan, MP · Serves 48,524 people
According to EPA Safe Drinking Water Information System (SDWIS), Commonwealth Utilities Corp (Saipan) (PWSID MP0000001) in Saipan, MP is listed as a CWS water system covering about 48,524 people. The same extract lists 80 health-based violation records spanning 2016-2023. Those 80 health-based rows for Commonwealth Utilities Corp (Saipan) cover contaminants such as Groundwater Rule, Revised Total Coliform Rule, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
Commonwealth Utilities Corp (Saipan) has 80 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including Groundwater Rule, Revised Total Coliform Rule, Coliform (TCR). Recorded violations span 2016–2023. Day-to-day primacy enforcement for this system runs through the Northern Mariana Islands drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Northern Mariana Islands state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MP0000001
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Saipan, MP
- Population Served
- 48,524
- Health Violations
- Yes (80)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 69 | 69 |
| Revised Total Coliform Rule | 9 | 9 |
| Coliform (TCR) | 2 | 2 |
Violation History (80)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Nov 1, 2023 |
| Revised Total Coliform Rule | Yes | Nov 1, 2023 |
| Revised Total Coliform Rule | Yes | Nov 1, 2023 |
| Revised Total Coliform Rule | Yes | Oct 1, 2023 |
| Revised Total Coliform Rule | Yes | Oct 1, 2023 |
| Revised Total Coliform Rule | Yes | Oct 1, 2023 |
| Revised Total Coliform Rule | Yes | Oct 1, 2023 |
| Groundwater Rule | Yes | Dec 1, 2021 |
| Groundwater Rule | Yes | Dec 1, 2021 |
| Groundwater Rule | Yes | Dec 1, 2021 |
| Groundwater Rule | Yes | Dec 1, 2021 |
| Groundwater Rule | Yes | Dec 1, 2021 |
| Groundwater Rule | Yes | Sep 1, 2021 |
| Groundwater Rule | Yes | Sep 1, 2021 |
| Groundwater Rule | Yes | Sep 1, 2021 |
| Groundwater Rule | Yes | Sep 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Apr 1, 2021 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Groundwater Rule | Yes | Oct 30, 2019 |
| Revised Total Coliform Rule | Yes | Oct 1, 2019 |
| Revised Total Coliform Rule | Yes | Oct 1, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Groundwater Rule | Yes | Mar 31, 2019 |
| Coliform (TCR) | Yes | Mar 1, 2016 |
| Coliform (TCR) | Yes | Mar 1, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for Commonwealth Utilities Corp (Saipan)?
How many people does Commonwealth Utilities Corp (Saipan) serve?
What violations does Commonwealth Utilities Corp (Saipan) have?
What contaminants have been found in Commonwealth Utilities Corp (Saipan) water?
Compare beyond Northern Mariana Islands
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest Commonwealth Utilities Corp (Saipan) on cumulative violation count (80) and EPA-reported population served (48,524). Violation-count peers include BORON CSD, APALACHICOLA, CITY OF, MOUNTAIN WATER DIST. Population peers include CITY OF HUNTSVILLE, MONROEVILLE MUNICIPAL AUTH, CITY OF BREA.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
About This Data
Commonwealth Utilities Corp (Saipan) (MP0000001) is drawn from EPA SDWIS. Nearby county systems in this extract include Saipan Ice And Water; Commonwealth Utilities Corp (Tinian); Commonwealth Utilities Corp (Rota); Star Water. Health-based rows (80 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.