Public water system record
Commonwealth Utilities Corp (Saipan)
Serves I Fadang, I Naftan, Papago and 65 more places, Saipan Municipality, MP · 48,524 people served
Federal records show 13 health-based violations and no monitoring/reporting issues for Commonwealth Utilities Corp (Saipan) in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 13
- Resolved
- 13
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 0
Key facts
- Commonwealth Utilities Corp (Saipan) draws water from 135 wells.
- Record on file since 2001, with 31 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 12,242 unknown out of 12,695 service lines.
Check whether Commonwealth Utilities Corp (Saipan) serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Nov 1, 2023 | Resolved | Yes |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Oct 1, 2023 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Dec 1, 2021 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Sep 1, 2021 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Apr 1, 2021 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Apr 1, 2021 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 30, 2019 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 30, 2019 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Oct 1, 2019 | Resolved | Yes |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 31, 2019 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 31, 2019 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 31, 2019 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 31, 2019 | Resolved | No |
Full record since 2001
EPA's records for Commonwealth Utilities Corp (Saipan) go back to 2001. Before October 19, 2016 they list 31 health-based violations (27 resolved, 4 archived by EPA without a recorded fix) and 21 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 30 | 19 |
| 2010 to October 18, 2016 | 1 | 2 |
| October 19, 2016 to 2019 | 7 | 0 |
| 2020s | 6 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began March 2016, Resolved.
Show all 31 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2016 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Dec 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2008 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2008 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2008 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Feb 1, 2008 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2007 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 2007 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Mar 1, 2007 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2005 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 2004 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Mar 1, 2004 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Feb 1, 2004 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 2004 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Dec 1, 2003 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 2003 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2003 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 2003 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2001 | Resolved |
What the violations mean
Groundwater Rule
10 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Revised Total Coliform Rule
3 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Commonwealth Utilities Corp (Saipan) draws water from 135 wells. 10 other community water systems and 11 smaller public systems such as schools, businesses or campgrounds buy water from Commonwealth Utilities Corp (Saipan).
Community systems that buy water from it
- 99 Cents Supermart Water Saipan, MP
- Afetna Supermarket Saipan, MP
- Crystal Ice and Water Saipan, MP
- Diamond Ice and Water Saipan, MP
- MSV Villagomez Estate Saipan, MP
- Marianas Ice and Water Saipan, MP
- Popz Purified Drinking Water Saipan, MP
- San Jose Mart Water Saipan, MP
- The Water Company Saipan, MP
- Xu Sunshine Corp Saipan, MP
Annual water quality report
Commonwealth Utilities Corp (Saipan) must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by the Northern Mariana Islands.
Certified drinking water labs by state EPA guidance for private wells