Diamond Water Gualo Rai
PWSID: MP0000221 · Saipan, MP · Serves 55 people
According to EPA Safe Drinking Water Information System (SDWIS), Diamond Water Gualo Rai (PWSID MP0000221) in Saipan, MP is listed as a CWS water system covering about 55 people. The same extract lists 7 health-based violation records spanning 2021-2024. Those 7 health-based rows for Diamond Water Gualo Rai cover contaminants such as Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
Diamond Water Gualo Rai has 7 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. 1 distinct EPA contaminant code appears in this system's record, including Groundwater Rule. Recorded violations span 2021–2024. 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)
- MP0000221
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Saipan, MP
- Population Served
- 55
- Health Violations
- Yes (7)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 7 | 7 |
Violation History (7)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Aug 15, 2024 |
| Groundwater Rule | Yes | Aug 15, 2024 |
| Groundwater Rule | Yes | Nov 13, 2021 |
| Groundwater Rule | Yes | Nov 13, 2021 |
| Groundwater Rule | Yes | Nov 13, 2021 |
| Groundwater Rule | Yes | Nov 13, 2021 |
| Groundwater Rule | Yes | Nov 13, 2021 |
Frequently Asked Questions
What does EPA SDWIS list for Diamond Water Gualo Rai?
How many people does Diamond Water Gualo Rai serve?
What violations does Diamond Water Gualo Rai have?
What contaminants have been found in Diamond Water Gualo Rai water?
Compare beyond Northern Mariana Islands
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest Diamond Water Gualo Rai on cumulative violation count (7) and EPA-reported population served (55). Violation-count peers include SANTEE UTILITY COMMISSION, CHEFORNAK WATER SYSTEM, LYNN WATER WORKS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
About This Data
Diamond Water Gualo Rai (MP0000221) is drawn from EPA SDWIS. Nearby county systems in this extract include Commonwealth Utilities Corp (Saipan); Saipan Ice And Water; Commonwealth Utilities Corp (Tinian); Commonwealth Utilities Corp (Rota). Health-based rows (7 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.