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Cabras Marine Corporation

Ship Building And Repairing, Piti, Guam. NPDES permit GU0020397 expired Jul 30, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 001 form A quarterly (15 values), outfall 002 form A quarterly (15 values), outfall 003 form A quarterly (15 values), outfall 004 form A quarterly (15 values), outfall 005 form A quarterly (3 values), outfall 006 form A quarterly (3 values), and 7 more forms

Last report on file

August 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 13 of 156 reports late

Limits in force (89)

How strict are these limits?

• Solids, total suspended, monthly average 5 mg/L — stricter than 99% of 10,872 other minor industrial and other permits nationwide
• Solids, total suspended, daily maximum 10 mg/L — stricter than 97% of 8,109 other minor industrial and other permits nationwide; 2% have the same limit
• pH, maximum 8.5 SU — stricter than 86% of 6,634 other minor industrial and other permits nationwide; 12% have the same limit

Cited limits by parameter: we hold no rule of Guam's own; the federal ones.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GU0020397 · MCP: https://passage-data.com/mcp