All Northern Mariana Islands water systems

Every Northern Mariana Islands community water system on Lead Pipe Map (5), A to Z, with its lead and galvanized line count. Open a system for its full inventory, lead tests and violations.

CS

C

• Commonwealth Utilities Corp (Rota) 1,862 unknown
• Commonwealth Utilities Corp (Saipan) 12,242 unknown
• Commonwealth Utilities Corp (Tinian) 1,901 unknown

S

• Saipan Ice And Water no lead
• Star Water no lead

Source: EPA SDWIS service line inventory, 2026 Q3.