Louisiana air permit applications
Updated 2026-11-04 · 12 records · all permit types
As of the 2026-11-04 check, PermitFiled lists 12 current environmental permit records for Louisiana air permit applications from la_ldeq_public_notice. By type: air 12.
The most common filing is PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION (Air Quality) (3 of 12), followed by PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL (Air Quality) (3).
These are 32% of the 38 current Louisiana records PermitFiled tracks.
The most recently received filing in the data is Individual applicant (see LDEQ notice) (PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION (Air Quality)), received 2026-11-04; the oldest listed was received 2026-10-08.
12 records list an open public comment deadline; the next is 2026-11-12 (Former Phosphoric Acid Plant and Sulfuric Acid Plant).
Latest records (12 of 12)
| Received | Type | Facility / applicant | Program | Location | Status | Source |
|---|---|---|---|---|---|---|
| 2026-11-04 | air | Individual applicant (see LDEQ notice) Sasol Chemicals (USA) LLC / Lake Charles Chemical Complex · ID 2896-V12 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION (Air Quality) Comment deadline 2026-12-09 | — | Public notice | official record |
| 2026-10-30 | air | Fluorocarbons Plant Solstice Advanced Materials US, Inc. / Geismar Facility · ID 0180-00003-V17 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL (Air Quality) Comment deadline 2026-12-03 | — | Public notice | official record |
| 2026-10-29 | air | New Orleans, LLC - St. Charles Refinery Individual applicant (see LDEQ notice) · ID 2520-00027-V27 | PROPOSED PART 70 AIR OPERATING PERMIT SIGNIFICANT MODIFICATION (Air Quality) Comment deadline 2026-12-03 | — | Public notice | official record |
| 2026-10-22 | air | Alliance Refinery dba Belle Chasse Terminal Harvest Louisiana Terminals, LLC · ID PER20250010 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL (Air Quality) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-22 | air | Exxon Mobil Corporation/Baton Rouge Chemical Plant – Partial Oxidation (POX) Unit Exxon Mobil Corporation/Baton Rouge Chemical Plant – Partial Oxidation (POX) Unit · ID 2210-V4 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION (Air Quality) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-22 | air | Vopak Terminal St. Charles Vopak Industrial Infrastructure Americas St. Charles, LLC (Vopak) · ID 2520-00186-V2 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL/MODIFICATION (Air Quality) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-21 | air | Lake Charles South – Bottoms Plant Westlake US 2 LLC · ID 2216-V7 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION (Air Quality) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-19 | air | Cheneyville Compressor Station Acadian Gas Pipeline System · ID 2360-00146-V4 | EXTENSION OF COMMENT PERIOD - PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION (Air Quality) Comment deadline 2026-11-24 | — | Public notice | official record |
| 2026-10-09 | air | Former Phosphoric Acid Plant and Sulfuric Acid Plant PCS Nitrogen Fertilizer, LP · ID 2276-V11 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL (Air Quality) Comment deadline 2026-11-12 | — | Public notice | official record |
| 2026-10-08 | air | Cameron Liquefied Natural Gas (LNG) Facility Cameron LNG, LLC · ID 0560-00184-V12 | PROPOSED PART 70 AIR OPERATING PERMIT MODIFICATION (Air Quality) Comment deadline 2026-11-12 | — | Public notice | official record |
| 2026-10-08 | air | Mansfield Mill International Paper Company · ID 0760-00006-V16 | PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL/MODIFICATION (Air Quality) Comment deadline 2026-11-12 | — | Public notice | official record |
| 2026-10-08 | air | Woodwaste Recycling Facility City of Lake Charles / Office of Public Works · ID 0520-00096-V0 | PROPOSED INITIAL PART 70 AIR OPERATING PERMIT (Air Quality) Comment deadline 2026-11-12 | — | Public notice | official record |
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Questions about this data
How many environmental permit records are listed for Louisiana air permit applications?
As of 2026-11-04, PermitFiled lists 12 current records for Louisiana air permit applications from public agency data (air 12).
What kinds of permits are filed in Louisiana air permit applications?
The most common filings are PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION (Air Quality) (3), PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL (Air Quality) (3), PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL/MODIFICATION (Air Quality) (2), based on the program named in each agency record.
What is the most recent permit filing listed for Louisiana air permit applications?
Individual applicant (see LDEQ notice): PROPOSED PART 70 AIR OPERATING PERMIT RENEWAL AND MODIFICATION (Air Quality), received 2026-11-04, status Public notice, permit ID 2896-V12.
Are any public comment deadlines open in Louisiana air permit applications?
Yes. 12 records list a comment deadline on or after 2026-11-04; the next is 2026-11-12 for Former Phosphoric Acid Plant and Sulfuric Acid Plant. Confirm the deadline on the official record.
Where does this data come from and how can I verify a record?
The records come from la_ldeq_public_notice (https://www.deq.louisiana.gov/public-notices). Each record on this page links to its official record; verify there before acting.
Related pages
Other permit types in Louisiana: water quality and stormwater permits (23)
Same type in other states: Texas (176) · Maryland (11)
Permit type × state index · All county pages