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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 8:00 a.m. to 4:30 p.m., Monday–Friday (except holidays). If you wish to receive permit public notices by email, you can subscribe to the listserve here.
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Related resources:
| Company | Public Notice AI | Activity | Permit Number | Subject | Media | Publication Date | Comment Deadline | Hearing Date | Issue Date | Attachments | Submit Comment |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cornerstone Chemical Company, LLC - Utilities Plant/Site Services | AI 1357 | PER20260003 | 2306-V8 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL/MODIFICATON | Air Quality | 6/18/2026 | 7/23/2026 | - | - | Comment URL | |
| Magnolia Water Utility Operating Company LLC - Magnolia Park | AI 43546 | PER20250001 | LA0066486 | DRAFT WATER DISCHARGE PERMIT | Surface Water | 6/18/2026 | 7/23/2026 | - | - | Comment URL | |
| Dow Infraco, LLC / St. Charles Operations, Environmental Operations Plant | AI 242670 | PER20250001 | 2104-V8 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION | Air Quality | 6/17/2026 | 7/22/2026 | - | - | Comment URL | |
| City of Opelousas - South Opelousas Wastewater Treatment Facility | AI 222338 | PER20260001 | LA0127469 | DRAFT WATER DISCHARGE PERMIT | Surface Water | 6/17/2026 | 7/22/2026 | - | - | Comment URL | |
| American Panther, LLC - Fort Henry Gas Separation Facility | AI 97781 | PER20250002 | 2940-00234-V7 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL/MODIFICATION | Air Quality | 6/17/2026 | 7/22/2026 | - | - | Comment URL | |
| City Of Covington / Covington Sewerage Treatment Facility | AI 18460 | PER20250001 | LA0084336 | DRAFT WATER DISCHARGE PERMIT | Surface Water | 6/17/2026 | 7/22/2026 | - | - | Comment URL | |
| Air Liquide Large Industries U.S. LP – Norco ASU Plant | AI 3483 | PER20250001 | LA0051764 | DRAFT WATER DISCHARGE PERMIT | Surface Water | 6/17/2026 | 7/22/2026 | - | - | Comment URL | |
| International Paper Company / Bogalusa Mill | AI 137445 | PER20230002 | LA0125202 | DRAFT WATER DISCHARGE PERMIT | Surface Water | 6/16/2026 | 7/21/2026 | - | - | Comment URL | |
| Main Iron Works, LLC | AI 27353 | PER20240001 | 2880-00202-V0 | PROPOSED INITIAL PART 70 AIR OPERATING PERMIT | Air Quality | 6/10/2026 | 7/15/2026 | - | - | Comment URL | |
| St. John the Baptist Parish (LAR041047) | AI 186100 | GEN20240001 | LAR041047 | COVERAGE UNDER A REISSUED WATER DISCHARGE GENERAL PERMIT DISCHARGES FROM SMALL MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4s) | Surface Water | 6/10/2026 | 7/15/2026 | - | - | Comment URL | |
| Rain CII Carbon LLC - Chalmette Calcining Plant | AI 2557 | PER20220004 | 2500-00006-V5 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL/MODIFICATION | Air Quality | 6/10/2026 | 7/15/2026 | - | - | Comment URL | |
| City of Natchitoches - Municipal Separate Storm Sewer System | AI 104052 | GEN20240001 | LAR041029 | COVERAGE UNDER A REISSUED WATER DISCHARGE GENERAL PERMIT DISCHARGES FROM SMALL MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4s) | Surface Water | 6/09/2026 | 7/14/2026 | - | - | Comment URL |