Public Notices

Permit records are available for review at the DEQ, Public Records Center, 602 North 5th Street, Baton Rouge, LA 70802. Viewing hours are from 8:00 a.m. to 4:30 p.m., Monday through Friday (except holidays). If you wish to receive permit public notices by email, you can subscribe to the listserv at https://internet.deq.louisiana.gov/portal/SUBSCRIBES/PUBLIC-NOTIFICATION, or you can contact the Public Participation Group in writing at LDEQ, P.O. Box 4313, Baton Rouge, LA 70821-4313, by email at deq.publicnotices@la.gov or by contacting the LDEQ Customer Service Center at (225) 219-LDEQ (219-5337).

For any questions related to permits public participation activities, please call LDEQ Customer Service Center at (225) 219-LDEQ (219-5337).

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Public Notice Info Publication Date Comment Deadline Hearing Date Issue Date Additional Information

Calcasieu Refining Company - Lake Charles Crude Oil Refinery

AI 3585
Activity PER20250004
Permit Number 0520-00050-V20
Subject PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION
Media Air Quality
1/21/2026 2/25/2026     View Attachments (*) Comment URL

Poly Processing Company, LLC

AI 2041
Activity PER20250001
Permit Number LA0090247
Subject DRAFT WATER DISCHARGE PERMIT
Media Surface Water
1/16/2026 2/19/2026     View Attachments (*) Comment URL

Crescent Midstream, LLC / Raceland Station

AI 2929
Activity PER20250001
Permit Number LA0127862
Subject DRAFT WATER DISCHARGE PERMIT
Media Surface Water
1/16/2026 2/19/2026     View Attachments (*) Comment URL

National Water Infrastructure, LLC – Lake at Twin Oaks Wastewater Treatment Plant

AI 43881
Activity PER20250002
Permit Number LA0127880
Subject DRAFT WATER DISCHARGE PERMIT
Media Surface Water
1/16/2026 1/16/2026     View Attachments (*) Comment URL

Jevcon, LLC - Jevcon, LLC C and D Landfill

AI 133512
Activity PER20240002
Permit Number LA0123595
Subject DRAFT WATER DISCHARGE PERMIT
Media Surface Water
1/16/2026 2/19/2026     View Attachments (*) Comment URL

Sewerage District #1 of Tangipahoa Parish - Northwest Hammond Treatment Facility

AI AI 119697
Activity PER20250002
Permit Number LA0119466
Subject DRAFT WATER DISCHARGE PERMIT MAJOR MODIFICATION
Media Surface Water
1/15/2026 2/19/2026     View Attachments (*) Comment URL

Town of Dunson - Dunson Water Treatment Plant

AI 105049
Activity PER20230001
Permit Number LA0127868
Subject DRAFT WATER DISCHARGE PERMIT
Media Surface Water
1/14/2026 2/18/2026     View Attachments (*) Comment URL

Town of Chatham - Town of Chatham Wastewater Treatment Plant

AI 41002
Activity PER20250001
Permit Number LA0049905
Subject DRAFT WATER DISCHARGE PERMIT
Media Surface Water
1/14/2026 2/18/2026     View Attachments (*) Comment URL

Atalco Gramercy LLC - Atlantic Alumina / Gramercy Operations - Cajunite Area

AI 1388
Activity PER20250004
Permit Number 2387-V7
Subject PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION
Media Air Quality
1/09/2026 2/12/2026     View Attachments (*) Comment URL

River Birch, LLC - River Birch Landfill

AI 32219
Activity PER20250005
Permit Number P-0321-R2-M3
Subject DRAFT SOLID WASTE PERMIT MAJOR MODIFICATION
Media Solid Waste
1/09/2026 2/12/2026     View Attachments (*) Comment URL

Shell Chemical LP / Geismar Plant - Olefins Unit

AI 1136
Activity PER20250003 and PER20250005
Permit Number 2669-V14 and PSD-LA-647 (M-10)
Subject EXTENSION OF PUBLIC COMMENTS - PROPOSED PART 70 AIR OPERATIONG PERMIT AND A PREVENTION OF SIGNIFICANT DETERIORATION PERMIT (PSD) MINOR MODIFICATIONS
Media Air Quality
1/09/2026 2/12/2026     View Attachments (*) Comment URL

National Aeronautics and Space Administration - NASA Michoud Assembly Facility

AI 9145
Activity PER20220004
Permit Number LA0052256
Subject DRAFT WATER DISCHARGE PERMIT
Media Surface Water
1/08/2026 2/12/2026     View Attachments (*) Comment URL