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Water Transportation — NPDES discharge permits in Louisiana

Of the 28 permits in EPA's SIC 44 in LA, 10 went over a limit between 2025-10-01 and 2026-09-30 (Solids, total suspended: 4; Carbon, tot organic [TOC]: 2; Oxygen demand, chem. [high level] [COD]: 2); 1 has no reports in EPA's file for that window. 0 are past the expiry date EPA's file holds; 9 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.

FacilityLast 12 monthsPermit
WATCO TRANSLOADING LLC
LA0102946 · Marine Cargo Handling
Over a limit 6×: Coliform, fecal general (4×), Solids, total suspended (2×)Renewal application overdue
AMERICAN RIVER TRANSPORTATION CO., LLC
LA0124184 · Marine Cargo Handling
Over a limit 2×: Oxygen demand, chem. [high level] [COD] (2×)Expires Oct 31, 2030
ASSOCIATED TERMINAL OF ST BERNARD LLC
LA0108120 · Marine Cargo Handling
Over a limit 2×: Oxygen demand, chem. [high level] [COD] (1×), Solids, total suspended (1×)Renewal application due May 4, 2027
LAKE CHARLES HARBOR & TERMINAL DISTRICT
LA0091812 · Marine Cargo Handling
Over a limit 2×: pH (1×), Solids, total suspended (1×)Expires Dec 31, 2029
PORT SHIP SERVICES, INC.
LA0116319 · Water Passenger Transportation
Over a limit 2×: BOD, 5-day, 20 deg. C (2×)Renewal application due Mar 4, 2028
Ascension Bulk Terminal LLC
LA0125938 · Marine Cargo Handling
Over a limit 1×: Carbon, tot organic [TOC] (1×)Expires Jun 30, 2031
CADDO/BOSSIER PARISHES PORT COMMISSION
LA0115576 · Marine Cargo Handling
Over a limit 1×: pH (1×)Renewal application due Mar 4, 2028
Greater Baton Rouge Port Commission - Barge Terminal Property
LA0115606 · Marine Cargo Handling
Over a limit 1×: Vinyl chloride (1×)Expires Apr 30, 2030
ST BERNARD PORT HARBOR & TERM
LA0000876 · Marine Cargo Handling
Over a limit 1×: Carbon, tot organic [TOC] (1×)Expires Aug 30, 2029
TT 104, LLC
LA0065048 · Water Transportation Services
Over a limit 1×: Solids, total suspended (1×)Renewal application due Feb 16, 2028
Associated Grain Terminals LLC - Myrtle Grove Midstream Terminal MGMT Facility
LA0076368 · Marine Cargo Handling
No value over a limitExpires Jul 31, 2031
BASIN FLEETING INC
LA0119946 · Towing And Tugboat Service
No value over a limitRenewal application overdue
Baton Rouge Transit LLC - Baton Rouge Transit Facility
LA0126914 · Marine Cargo Handling
No value over a limitExpires May 31, 2030
CLEANSHIP SOLUTIONS INTERNATIONAL, LLC
LA0127817 · Marine Cargo Handling
No value over a limitExpires Aug 31, 2030
COOPER CONSOLIDATED, LLC
LA0070441 · Marine Cargo Handling
No value over a limitExpires Jun 30, 2031
EXXON MOBIL REFINING & SUPPLY COMPANY
LA0065056 · Marine Cargo Handling
No value over a limitExpires Apr 30, 2029
Eagle Industrial Equipment Inc - Houma Blast Yard
LA0127013 · Water Transportation Services
No value over a limitExpires Jul 31, 2030
EcoHarbor LLC - Mobile Ballast Water Reception Facility
LA0127799 · Marine Cargo Handling
No reports in EPA's file for the windowExpires Feb 17, 2030
International Marine Terminals Partnership - Myrtle Grove Terminal
LA0052361 · Marine Cargo Handling
No value over a limitExpires Apr 30, 2030
PORT SHIP SERVICE, INC.
LA0116327 · Water Transportation Services
No value over a limitExpires Jan 14, 2029
PORT SHIP SERVICE, INC.
LA0116475 · Water Passenger Transportation
No value over a limitExpires Jan 14, 2029
PORT SHIP SERVICES, INC.-
LA0116378 · Water Transportation Services
No value over a limitExpires May 31, 2029
Port Ship Service Inc - Grandview Facility
LA0116084 · Water Passenger Transportation
No value over a limit; 35 required values not reportedRenewal application due Mar 4, 2028
Raven Energy LLC - Convent Marine Terminal
LA0104345 · Marine Cargo Handling
No value over a limitExpires Aug 31, 2030
T.T. 237, LLC
LA0075213 · Water Transportation Services
No value over a limitRenewal application overdue
TT 183 LLC - TT 183
LA0083674 · Water Transportation Services
No value over a limitExpires Mar 31, 2030
TURN SERVICES LLC -BAYOU FLEET-WATER RECLAMATION PLANT
LA0127709 · Marine Cargo Handling
No value over a limitRenewal application due Apr 3, 2028
United Bulk Terminals Davant LLC
LA0070602 · Marine Cargo Handling
No value over a limitExpires Oct 31, 2030

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=LA&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