Clean Water Act discharge permit · NPDES LA0054135
LA GENERATING LLC-BIG CAJUN II POWER PLANT, New Roads, LA: NPDES LA0054135 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 28Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
LA GENERATING LLC-BIG CAJUN II POWER PLANT, held by LOUISIANA GENERATING LLC, holds NPDES permit LA0054135, which discharges to 1201. EPA’s file records it issued October 13, 2014 and expiring October 31, 2019.
LA GENERATING LLC-BIG CAJUN II POWER PLANT, New Roads, Louisiana: Individual permit LA0054135, held by LOUISIANA GENERATING LLC; Administratively continued (past its expiration date and still in force until reissued); issued October 13, 2014, term to October 31, 2019; discharges to 1201.
- Coliform, fecal general: 4 limits, 4 violations of any kind, 4 effluent exceedances, latest March 31, 2019, largest 300% over the limit.
- Solids, total suspended: 8 limits, 5 violations of any kind, 3 effluent exceedances, latest December 31, 2020, largest 1,557% over the limit.
- pH: 2 limits, 3 violations of any kind, 3 effluent exceedances, latest June 30, 2007.
- Zinc, total [as Zn]: 2 limits, 2 violations of any kind, 2 effluent exceedances, latest July 31, 2005, largest 115% over the limit.
- Carbon, tot organic [TOC]: 4 limits, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2003, largest 148% over the limit.
- Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex: 4 limits, 5 violations of any kind, 0 effluent exceedances.
- LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas: 4 limits, 5 violations of any kind, 0 effluent exceedances.
- NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex: 4 limits, 5 violations of any kind, 0 effluent exceedances.
- NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas: 4 limits, 5 violations of any kind, 0 effluent exceedances.
- Coef Of Var Static Renewal 48Hr Acute D. pulex: 2 limits, 5 violations of any kind, 0 effluent exceedances.
- Coef Of Var Static Renewal 48Hr Acute Pimephales promelas: 2 limits, 5 violations of any kind, 0 effluent exceedances.
- Iron, total [as Fe]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
- Oil and grease: 4 limits, 2 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 12 limits, 0 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #1: 8 limits, 0 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #2: 8 limits, 0 violations of any kind, 0 effluent exceedances.
- Whole Effluent Toxicity - Retest #3: 8 limits, 0 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. fahrenheit: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- BOD, 5-day, 20 deg. C: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, total [as Cr]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Copper, total [as Cu]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Lead, total [as Pb]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Benzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- BTEX: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Chlorine, free available: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- pH range excursions, > 60 minutes: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- pH range excursions, monthly total accum: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- September 8, 2026: Evaluation (S).
Other permits held by LOUISIANA GENERATING LLC
- BIG CAJUN I UNITS I AND II LLC, Jarreau: LA0003042, issued September 18, 2018
LA GENERATING LLC-BIG CAJUN II POWER PLANT among its neighbors
EPA’s permit file holds 6 discharge permits in the Profit Island subwatershed (HUC 080701000103), LA0054135 among them. Its county holds 26, 5 of them major permits; LA0054135 is a major permit.
Other permits in the Profit Island subwatershed (HUC 080701000103)
- ENTERGY OPERATIONS, INC.- RIVER BEND STATION, St. Francisville: LA0042731, major permit, discharging to MISSISSIPPI RIVER, permit term to October 31, 2022
- NEW ROADS, CITY OF- WASTEWATER TREATMENT PLANT, New Roads: LA0038555, major permit, discharging to SEG 070201 MISSISSIPPI RIVER, permit term to November 30, 2021
- POINTE COUPEE SD #1 LAGOON, New Roads: LA0088528, minor permit, discharging to PORTAGE CANAL BAYOU GROS TETE, permit term to March 31, 2016
- T.T. 237, LLC, Port Allen: LA0075213, minor permit, permit term to June 30, 2021
- TT 237 LLC - TT 237, Port Allen: LAG030142, minor permit, permit term to January 31, 2029
Identity
| Facility as filed | LA GENERATING LLC-BIG CAJUN II POWER PLANT |
|---|---|
| Permittee as filed | LOUISIANA GENERATING LLC |
| NPDES ID | LA0054135 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 13, 2014 |
| Expiration date | October 31, 2019 |
| Address | New Roads, LA 70760 |
| Receiving water | 1201 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Profit Island (HUC 080701000103) |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler LAD000803064; ICIS-AIR source LA0000002207700012 |
Effluent limits and exceedances
- 28Pollutants on file
- 28Under a numeric limit
- 13With a violation of any kind
- 5With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Coliform, fecal general | 4 | 4 | 4 | March 31, 2019 | 300% over the limit |
| Solids, total suspended | 8 | 5 | 3 | December 31, 2020 | 1,557% over the limit |
| pH | 2 | 3 | 3 | June 30, 2007 | |
| Zinc, total [as Zn] | 2 | 2 | 2 | July 31, 2005 | 115% over the limit |
| Carbon, tot organic [TOC] | 4 | 1 | 1 | December 31, 2003 | 148% over the limit |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 4 | 5 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 4 | 5 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 4 | 5 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 4 | 5 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 2 | 5 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 2 | 5 | 0 | ||
| Iron, total [as Fe] | 2 | 4 | 0 | ||
| Oil and grease | 4 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 12 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 8 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 8 | 0 | 0 | ||
| Whole Effluent Toxicity - Retest #3 | 8 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 0 | 0 | ||
| Chromium, total [as Cr] | 4 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Benzene | 2 | 0 | 0 | ||
| BTEX | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 | ||
| Chlorine, free available | 2 | 0 | 0 | ||
| pH range excursions, > 60 minutes | 1 | 0 | 0 | ||
| pH range excursions, monthly total accum | 1 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0054135.
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| September 8, 2026 | Evaluation | S |
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES LA0054135.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, LA0054135.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
Nearby on the register
- Discharge permits in New Roads
- Every permit record in New Roads, A to Z
- Discharge permits in Louisiana
- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.