SAIPAN, MP

Diamond Water Gualo Rai Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Northern Mariana Islands’s official records. Always confirm current status with Northern Mariana Islands before making decisions based on this information.

System facts

System ID (PWSID): MP0000221
System type: Community Water System
Population served: 55
Service connections: 1
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Failure To Address Deficiency
Health-based
Groundwater Rule
August 15, 2024 – April 1, 2025
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
August 15, 2024 – April 1, 2025
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2023 – December 31, 2023
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
November 13, 2021 – April 26, 2022
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
August 15, 2024 – April 1, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
August 15, 2024 – April 1, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrate	—	Resolved
November 13, 2021 – April 26, 2022	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

April 1, 2025State Compliance achieved1 linked violation
April 1, 2025State Compliance achieved1 linked violation
March 18, 2024State Compliance achieved1 linked violation
April 26, 2022State Compliance achieved1 linked violation

Contact

Diamond Ice & Water

6703223222

SAIPAN, MP 96950