Louisiana water quality and stormwater permits
Updated 2026-11-04 · 23 records · all permit types
As of the 2026-11-04 check, PermitFiled lists 23 current environmental permit records for Louisiana water quality and stormwater permits from la_ldeq_public_notice. By type: water 23.
The most common filing is DRAFT WATER DISCHARGE PERMIT (Surface Water) (15 of 23), followed by COVERAGE UNDER A REISSUED WATER DISCHARGE GENERAL PERMIT DISCHARGES FROM SMALL MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4s) (Surface Water) (4).
These are 61% of the 38 current Louisiana records PermitFiled tracks.
The most recently received filing in the data is Hwy 42 Intermediate Wastewater Treatment Plant (DRAFT WATER DISCHARGE PERMIT MAJOR MODIFICATION (Surface Water)), received 2026-11-04; the oldest listed was received 2026-10-07.
23 records list an open public comment deadline; the next is 2026-11-10 (Dolet Hills Power Station).
Latest records (23 of 23)
| Received | Type | Facility / applicant | Program | Location | Status | Source |
|---|---|---|---|---|---|---|
| 2026-11-04 | water | Hwy 42 Intermediate Wastewater Treatment Plant National Water Infrastructure, LLC · ID LA0127601 | DRAFT WATER DISCHARGE PERMIT MAJOR MODIFICATION (Surface Water) Comment deadline 2026-12-09 | — | Public notice | official record |
| 2026-10-29 | water | Individual applicant (see LDEQ notice) Lafourche Sugars, L.L.C. · ID LA0042510 | DRAFT WATER DISCHARGE PERMIT MAJOR MODIFICATION (Surface Water) Comment deadline 2026-12-03 | — | Public notice | official record |
| 2026-10-29 | water | Innophos Geismar Plant Innophos, Inc. · ID LA0082686 | DRAFT WATER DISCHARGE PERMIT MODIFICATION (Surface Water) Comment deadline 2026-12-03 | — | Public notice | official record |
| 2026-10-29 | water | Tangi-Pac, L.L.C. Tangi-Pac, L.L.C. · ID LA0127082 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-12-03 | — | Public notice | official record |
| 2026-10-28 | water | Cajun Breaux, LLC – B and C Seafood Market and Cajun Restaurant Cajun Breaux, LLC – B and C Seafood Market and Cajun Restaurant · ID LA0127031 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-12-02 | — | Public notice | official record |
| 2026-10-28 | water | City of Jeanerette – Jeanerette Wastewater Treatment Facility City of Jeanerette – Jeanerette Wastewater Treatment Facility · ID LA0040193 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-12-02 | — | Public notice | official record |
| 2026-10-28 | water | Village of Parks Wastewater Treatment Plant Village of Parks · ID LA0050006 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-12-02 | — | Public notice | official record |
| 2026-10-27 | water | Ventura Foods, LLC – Lou Ana Landfarm Ventura Foods, LLC – Lou Ana Landfarm · ID LA0071048 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-12-01 | — | Public notice | official record |
| 2026-10-23 | water | St. Tammany Parish (LAR041024) St. Tammany Parish (LAR041024) · ID LAR041024 | COVERAGE UNDER A REISSUED WATER DISCHARGE GENERAL PERMIT DISCHARGES FROM SMALL MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4s) (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-22 | water | Cajun Crab, LLC Cajun Crab, LLC · ID LA0116513 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-22 | water | Jefferson Highway Facility Ochsner Clinic Foundation / Ochsner Health System · ID LA0006751 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-22 | water | Plaquemines Parish Government (LAR041022) Plaquemines Parish Government (LAR041022) · ID LAR041022 | COVERAGE UNDER A REISSUED WATER DISCHARGE GENERAL PERMIT DISCHARGES FROM SMALL MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4s) (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-22 | water | Terrebonne Parish Consolidated Government (LAR041023) Terrebonne Parish Consolidated Government (LAR041023) · ID LAR041023 | COVERAGE UNDER A REISSUED WATER DISCHARGE GENERAL PERMIT DISCHARGES FROM SMALL MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4s) (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-22 | water | Town of Abita Springs (LAR041036) Town of Abita Springs (LAR041036) · ID LAR041036 | COVERAGE UNDER A REISSUED WATER DISCHARGE GENERAL PERMIT DISCHARGES FROM SMALL MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4s) (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-21 | water | Addis Wastewater Treatment Plant Town of Addis · ID PER20260001 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-21 | water | Delcambre Seafood Market, Inc. Delcambre Seafood Market, Inc. · ID LA0125113 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-21 | water | General Biological Lake Providence General Biological Corporation · ID LA0127916 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-21 | water | Individual applicant (see LDEQ notice) Olin Corporation · ID LA0102822 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-11-25 | — | Public notice | official record |
| 2026-10-08 | water | Colfax Wastewater Treatment Plant Town of Colfax · ID LA0033456 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-11-12 | — | Public notice | official record |
| 2026-10-08 | water | Municipal Wastewater Treatment Facility Town Of Cullen · ID LA0032301 | DRAFT WATER DISCHARGE PERMIT MODIFICATION (Surface Water) Comment deadline 2026-11-12 | — | Public notice | official record |
| 2026-10-07 | water | Dolet Hills Power Station Cleco Power LLC · ID LA0062600 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-11-10 | — | Public notice | official record |
| 2026-10-07 | water | East Wastewater Treatment Plant Lafayette Consolidated Government · ID LA0036382 | DRAFT WATER DISCHARGE PERMIT (Surface Water) Comment deadline 2026-11-10 | — | Public notice | official record |
| 2026-10-07 | water | Orange Grove Wastewater Treatment Plant Town of Sorrento · ID LA0127883 | DRAFT WATER DISCHARGE PERMIT (Surface Water) 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 water quality and stormwater permits?
As of 2026-11-04, PermitFiled lists 23 current records for Louisiana water quality and stormwater permits from public agency data (water 23).
What kinds of permits are filed in Louisiana water quality and stormwater permits?
The most common filings are DRAFT WATER DISCHARGE PERMIT (Surface Water) (15), COVERAGE UNDER A REISSUED WATER DISCHARGE GENERAL PERMIT DISCHARGES FROM SMALL MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4s) (Surface Water) (4), DRAFT WATER DISCHARGE PERMIT MAJOR MODIFICATION (Surface Water) (2), based on the program named in each agency record.
What is the most recent permit filing listed for Louisiana water quality and stormwater permits?
Hwy 42 Intermediate Wastewater Treatment Plant: DRAFT WATER DISCHARGE PERMIT MAJOR MODIFICATION (Surface Water), received 2026-11-04, status Public notice, permit ID LA0127601.
Are any public comment deadlines open in Louisiana water quality and stormwater permits?
Yes. 23 records list a comment deadline on or after 2026-11-04; the next is 2026-11-10 for Dolet Hills Power Station. 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: air permit applications (12)
Same type in other states: Texas (448) · California (239) · New York (142)
Permit type × state index · All county pages