Passage Data · Check a report · Use it from your AI

Discharge permits in Guam

9 active individual NPDES permits with limits in EPA's file of Oct 22, 2026.

Sewage treatment plants (5)

• Guam Waterworks Authority GU0020087 · major
• Guam Waterworks Authority GU0020141 · major
• Guam Waterworks Authority GU0020222 · major
• Guam Waterworks Authority GU0020273
• Guam Waterworks Authority GU0020371

Industrial and other (4)

• Cabras Marine Corporation GU0020397 · Ship Building And Repairing
• Naval Fac Engineering Command, Marianas GU0020389 · National Security
• Unitek Enviromental-Guam GU0020346 · Air, Water, & Solid Waste Management
• US Navy GU0110019 · major · National Security

Source: EPA ECHO, Oct 22, 2026. As JSON: /api/v1/permits?state=GU · MCP: https://passage-data.com/mcp · All states