PlainWater

Commonwealth Utilities Corp (Tinian)

PWS ID: MP0000002 · Saipan, Northern Mariana Islands 96950

Population Served
3,005
Total Violations
17
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
State
Connections
733
School/Daycare
No
MCL Violations
3
Monitoring Violations
11
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 11 2020
Coliform (TCR) MCL 3 2008
Groundwater Rule TT 2 2022
Public Notice Other 1 2022
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.