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Water Transportation — NPDES discharge permits in Texas

Of the 18 permits in EPA's SIC 44 in TX, 4 went over a limit between 2025-10-01 and 2026-09-30 (Carbon, tot organic [TOC]: 1; Chlorine, total residual: 1; Enterococci: 1). 3 are past the expiry date EPA's file holds; 3 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
CALHOUN PORT AUTHORITY
TX0105937 · Marine Cargo Handling
Over a limit 12×: Enterococci (12×)Permit past the expiry date EPA's file holds
ENTERPRISE PRODUCTS OPERATING LLC
TX0133353 · Marine Cargo Handling
Over a limit 8×: Chlorine, total residual (5×), pH (2×), Oxygen demand, chem. [high level] [COD] (1×)Renewal application due Nov 14, 2027
KINDER MORGAN PETCOKE, LP
TX0106542 · Marine Cargo Handling
Over a limit 2×: Solids, total suspended (2×)Expires Mar 14, 2029
CHEVRON PHILLIPS CHEMICAL COMPANY LP
TX0124249 · Marine Cargo Handling
Over a limit 1×: Carbon, tot organic [TOC] (1×)Expires May 10, 2029
17500 MARKET STREET, LLC
TX0125920 · Marine Cargo Handling
No value over a limitExpires Mar 21, 2029
CHANNEL SHIPYARD COMPANY INC
TX0104531 · Marine Cargo Handling
No value over a limitExpires Jul 26, 2029
ENTERPRISE PRODUCTS OPERATING LLC
TX0106721 · major · Marine Cargo Handling
No value over a limitExpires Sep 16, 2029
ENTERPRISE PRODUCTS OPERATING LLC
TX0144827 · Marine Cargo Handling
No value over a limitExpires Aug 9, 2029
KINDER MORGAN PETCOKE, LP
TX0123978 · Marine Cargo Handling
No value over a limitRenewal application due Mar 31, 2028
KINDER MORGAN PETCOKE, LP
TX0131598 · Marine Cargo Handling
No value over a limitExpires Nov 9, 2028
KIRBY INLAND MARINE, LP
TX0133604 · Marine Cargo Handling
No value over a limitExpires Jul 10, 2031
MARINE FUELING SERVICES INC
TX0141682 · Water Transportation Services
No value over a limitRenewal application due Mar 30, 2027
OXBOW ENERGY SOLUTIONS LLC
TX0094129 · Marine Cargo Handling
No value over a limitExpires Feb 10, 2030
PABTEX INC AND SAVAGE SERVICES CORPORATION
TX0008834 · Marine Cargo Handling
No value over a limitExpires Feb 28, 2029
PI DOCK FACILITIES LLC
TX0133833 · Marine Cargo Handling
No value over a limitExpires Dec 21, 2028
PORT ARTHUR TERMINAL, LLC
TX0140813 · Marine Cargo Handling
No value over a limit; 15 required values not reportedPermit past the expiry date EPA's file holds
PORT OF CORPUS CHRISTI AUTHORITY OF NUECES COUNTY
TX0133361 · Marine Cargo Handling
No value over a limitExpires Jul 24, 2031
SAN JACINTO BARGE REPAIR INC
TX0133124 · Marine Cargo Handling
No value over a limitPermit past the expiry date EPA's file holds

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=44, 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