STATE / TERRITORY LEDGER
Northern Mariana Islands drinking water system records
EPA’s September 2026 export lists 4 active community water systems in Northern Mariana Islands, with 1 current-violation flags and 0 serious-violator flags among covered systems serving at least 2,500 people.
Source: EPA SDWIS system-search export · Active community systems · Snapshot 13 Sep 2026
01 / LARGEST SYSTEMS
Northern Mariana Islands community water systems
EPA’s covered Northern Mariana Islands records include 4 active community systems reporting a combined population-served total of 57,134, which may overlap.
Population served is a system-reported service figure. It is not a count of unique state residents.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Commonwealth Utilities Corp (Saipan)MP0000001 | 48,524 | Ground water | No current violation flagged |
| Saipan Ice And WaterMP0000004 | 3,101 | Ground water | Current monitoring/reporting flag |
| Commonwealth Utilities Corp (Tinian)MP0000002 | 3,005 | Ground water | No current violation flagged |
| Commonwealth Utilities Corp (Rota)MP0000003 | 2,504 | Ground water | No current violation flagged |
02 / CITY REPORTS
Northern Mariana Islands city water-system reports
Northern Mariana Islands has 1 city reports meeting the publication threshold for covered systems or reported population served.
03 / COUNTY REPORTS
Northern Mariana Islands county water-system reports
Northern Mariana Islands has 0 county reports meeting the publication threshold for covered systems or reported population served.
No qualifying county reports.