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Petroleum Refining and Related Industries — NPDES discharge permits in Louisiana

Of the 26 permits in EPA's SIC 29 in LA, 10 went over a limit between 2025-10-01 and 2026-09-30 (Solids, total suspended: 5; Oxygen demand, chem. [high level] [COD]: 3; BOD, 5-day, 20 deg. C: 2). 13 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
Alon USA- Alon Krotz Springs Refinery
LA0051942 · major · Petroleum Refining
Over a limit 10×: BOD, 5-day, 20 deg. C (4×), Oxygen demand, chem. [high level] [COD] (2×), pH (2×)Renewal application overdue
Motiva Enterprises, LLC- Norco Refinery
LA0003522 · major · Petroleum Refining
Over a limit 10×: Sulfide, total [as S] (6×), BOD, 5-day, 20 deg. C (1×), pH (1×)Permit past the expiry date EPA's file holds
Calumet Princeton Refining, LLC
LA0088552 · Petroleum Refining
Over a limit 6×: Solids, total suspended (3×), Oil & Grease (2×), Carbon, tot organic [TOC] (1×)Expires Sep 30, 2029
Reynolds Metals Company LLC- Lake Charles Carbon Company
LA0003735 · Petroleum And Coal Products
Over a limit 5×: Enterococci (2×), Coliform, fecal general (2×), Oxygen demand, chem. [high level] [COD] (1×)Expires Oct 14, 2028
SMITTY'S SUPPLY, INC.
LA0127154 · Lubricating Oils And Greases
Over a limit 4×: Oxygen demand, chem. [high level] [COD] (2×), Oil & Grease (2×)Permit past the expiry date EPA's file holds
Valero Refining- Meraux LLC
LA0003646 · major · Petroleum Refining
Over a limit 3×: Sulfide, total [as S] (2×), Solids, total suspended (1×)Permit past the expiry date EPA's file holds
Chalmette Refining, LLC
LA0004260 · major · Petroleum Refining
Over a limit 2×: Solids, total suspended (1×), Carbon, tot organic [TOC] (1×)Expires Feb 28, 2031
BALMAR LLC
LA0126881 · Lubricating Oils And Greases
Over a limit 1×: Solids, total suspended (1×)Permit past the expiry date EPA's file holds
Calumet Shreveport Lubricants and Waxes, LLC- Shreveport Refinery
LA0032417 · major · Petroleum Refining
Over a limit 1×: Chromium, hexavalent [as Cr] (1×)Permit past the expiry date EPA's file holds
RAIN CII CARBON, LLC
LA0087777 · Petroleum And Coal Products
Over a limit 1×: Solids, total suspended (1×)Renewal application due Mar 18, 2028
CITGO Petroleum Corporation - Lake Charles Manufacturing Complex
LA0005941 · major · Petroleum Refining
No value over a limitExpires Jun 30, 2029
Calcasieu Refining Company
LA0052370 · major · Petroleum Refining
No value over a limitPermit past the expiry date EPA's file holds
Calumet Lubricants Company, L.P.- Cotton Valley Refinery
LA0005312 · major · Petroleum Refining
No value over a limitRenewal application overdue
EXXON PORT ALLEN LUBE PLANT
LA0085821 · Lubricating Oils And Greases
No value over a limitExpires Dec 31, 2028
Equilon Enterprises LLC - Shell Oil Products US - Convent Refinery
LA0006041 · major · Petroleum Refining
No value over a limitExpires Jun 30, 2030
Equilon Enterprises LLC- St. Rose Facility
LA0054216 · Petroleum Refining
No value over a limit; 4 required values not reportedExpires Mar 31, 2029
Exxon Mobil Corporation - Baton Rouge Refinery
LA0005584 · major · Petroleum Refining
No value over a limitExpires Oct 31, 2029
Harvest Louisiana Terminals, LLC - Alliance Refinery
LA0003115 · major · Petroleum Refining
No value over a limitPermit past the expiry date EPA's file holds
Marathon Petroleum Company LP - Louisiana Refining Division
LA0045683 · major · Petroleum Refining
No value over a limitPermit past the expiry date EPA's file holds
Oxbow Calcining LLC- Baton Rouge Calcined Coke Plant
LA0000183 · Petroleum And Coal Products
No value over a limitPermit past the expiry date EPA's file holds
PELICAN REFINING COMPANY, LLC-
LA0054399 · Petroleum Refining
No value over a limitPermit past the expiry date EPA's file holds
PLACID REFINING CO-PORT ALLEN
LA0039390 · major · Petroleum Refining
No value over a limitPermit past the expiry date EPA's file holds
Phillips 66 Company - Lake Charles Refinery
LA0003026 · major · Petroleum Refining
No value over a limit; 2 required values not reportedPermit past the expiry date EPA's file holds
Rain CII Carbon LLC - Lake Charles Calcining Plant
LA0054062 · Petroleum And Coal Products
No value over a limitExpires Oct 27, 2030
Rain CII Carbon, LLC
LA0081353 · Petroleum And Coal Products
No value over a limitPermit past the expiry date EPA's file holds
Valero Refining - New Orleans LLC - St Charles Refinery
LA0052051 · major · Petroleum Refining
No value over a limitExpires Jun 30, 2031

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=29, 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