All Guam water systems

Every Guam 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.

AGU

A

• Andersen Air Force Base Water System no lead

G

• Gwa Central Water System 2,658 unknown
• Gwa Northern Water System 38,633 unknown
• Gwa Southern Water System 2,319 unknown

U

• U.S. Navy Water System no lead

Source: EPA SDWIS service line inventory, 2026 Q3.