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Gulf Island Fabrication, Inc.

Ship Building And Repairing, Houma, Louisiana. NPDES permit LA0091961, in force until Aug 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 002 form Q quarterly (6 values), outfall 004 form Q quarterly (10 values), outfall 005 form Q quarterly (10 values), outfall 006 form Q quarterly (6 values), outfall 007 form Q quarterly (6 values), outfall 01A form Q quarterly (6 values), and 13 more forms

Renewal application due

Mar 4, 2028 · 180 days before expiry; your permit may set another date

Last report on file

June 2026

Oct 2024 – Sep 2025

13 values over a limit, 0 required values missing, 0 of 76 reports late

Limits in force (148)

How strict are these limits?

• Oxygen demand, chem. [high level] [COD], daily maximum 125 mg/L — stricter than 63% of 153 other minor industrial and other permits in Louisiana; 29% have the same limit
• Solids, total suspended, daily maximum 45 mg/L — stricter than 18% of 551 other minor industrial and other permits in Louisiana; 59% have the same limit
• Benzene, daily maximum 50 ug/L — stricter than 16% of 127 other minor industrial and other permits in Louisiana; 80% have the same limit

Cited limits by parameter: Louisiana's rules and the federal ones.

Same industry: the 15 Transportation Equipment permits in Louisiana.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0091961 · MCP: https://passage-data.com/mcp