Clean Water Act discharge permit · NPDES LA0112704
ENTERGY LOUISIANA LLC - CALCASIEU PLANT, Sulphur, LA: NPDES LA0112704 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
ENTERGY LOUISIANA LLC - CALCASIEU PLANT, held by ENTERGY LOUISIANA LLC, holds NPDES permit LA0112704, which discharges to Moss Lake. EPA’s file records it issued September 18, 2018 and expiring September 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ENTERGY LOUISIANA LLC - CALCASIEU PLANT |
|---|---|
| Permittee as filed | ENTERGY LOUISIANA LLC |
| NPDES ID | LA0112704 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 18, 2018 |
| Expiration date | September 30, 2023 |
| Address | Sulphur, LA 70665 |
| Receiving water | MOSS LAKE |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Calcasieu River-Prien Lake (HUC 080802060303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 10Under a numeric limit
- 8With 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 | 2 | 4 | 4 | December 31, 2025 | 99,999% over the limit |
| pH | 8 | 12 | 2 | August 31, 2017 | |
| Oil & Grease | 5 | 2 | 2 | April 30, 2026 | 70% over the limit |
| Enterococci | 0 | 2 | 2 | December 31, 2025 | 3,529% over the limit |
| Solids, total suspended | 6 | 3 | 1 | June 30, 2019 | 63% over the limit |
| Flow, in conduit or thru treatment plant | 10 | 8 | 0 | ||
| Oil and grease | 0 | 5 | 0 | ||
| Carbon, tot organic [TOC] | 3 | 3 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 1 | 0 | 0 | ||
| Benzene | 1 | 0 | 0 | ||
| BTEX | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0112704.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID LA0112704 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.