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Transportation Equipment — NPDES discharge permits in Texas

Of the 8 permits in EPA's SIC 37 in TX, 5 went over a limit between 2025-10-01 and 2026-09-30 (Acetophenone: 1; Carbon, tot organic [TOC]: 1; Coliform, fecal general: 1). 2 are past the expiry date EPA's file holds; 1 has a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
GULF COPPER LLC
TX0005754 · Ship Building And Repairing
Over a limit 9×: Coliform, fecal general (8×), Solids, total suspended (1×)Expires Apr 27, 2031
SOUTHWEST SHIPYARD LP
TX0092282 · Ship Building And Repairing
Over a limit 7×: Acetophenone (3×), Enterococci (2×), Cyanide, free available (1×)Permit past the expiry date EPA's file holds
SPACE EXPLORATION TECHNOLOGIES CORP
TX0146251 · Guided Missiles And Space Vehicles
Over a limit 4×: Oxygen demand, chem. [high level] [COD] (4×)Expires Feb 18, 2030
CONRAD ORANGE SHIPYARD INC
TX0134422 · Ship Building And Repairing
Over a limit 2×: Zinc, total [as Zn] (2×)Expires Feb 3, 2031
TEXAS BARGE & BOAT INC
TX0126322 · Ship Building And Repairing
Over a limit 1×: Carbon, tot organic [TOC] (1×)Expires Mar 17, 2031
HAILIANG COPPER TEXAS INC
TX0085936 · Motor Vehicles And Car Bodies
No value over a limitPermit past the expiry date EPA's file holds
JOHN BLUDWORTH SHIPYARD LLC
TX0132004 · Ship Building And Repairing
No value over a limitExpires Apr 22, 2031
TRINITY INDUSTRIES, INC.
TX0111465 · Railroad Equipment
No value over a limitRenewal application overdue

The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.

For programs and AI agents: this screen as JSON at /api/v1/permits?state=TX&sic=37, narrowed with &over_limit=true, &parameter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt

From EPA's ECHO data, not the permit document itself: your permit is the final word. All states