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Clean Water Act discharge permit · NPDES LA0000761

WESTLAKE US 2, LLC - WESTLAKE LAKE CHARLES SOUTH, Lake Charles, LA: NPDES LA0000761 discharge permit, effluent exceedances, inspections, penalties

WESTLAKE US 2, LLC - WESTLAKE LAKE CHARLES SOUTH, held by Eagle US 2 LLC, holds NPDES permit LA0000761, which discharges to Bayou D'Inde & Bayou Verdine. EPA’s file records it issued April 3, 2014 and expiring April 2, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedWESTLAKE US 2, LLC - WESTLAKE LAKE CHARLES SOUTH
Permittee as filedEagle US 2 LLC
NPDES IDLA0000761
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 3, 2014
Expiration dateApril 2, 2019
AddressLake Charles, LA 70669
Receiving waterBAYOU D'INDE & BAYOU VERDINE
Receiving water impaired303(D) Listed
SubwatershedMaple Fork-Bayou D'Inde (HUC 080802060301)
SIC2869 – Industrial Organic Chemicals

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

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; the 60 with the most exceedances of 97 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Hexachlorobenzene188672December 31, 200624,709% over the limit
pH range excursions, > 60 minutes24545June 30, 20262,147,483,650% over the limit
Solids, total suspended52221August 31, 2025404% over the limit
BOD, 5-day, 20 deg. C22319April 30, 2019215% over the limit
pH range excursions, monthly total accum21414February 29, 2024422% over the limit
pH61111June 30, 2024
1,1,1-Trichloroethane1274June 30, 20253,010% over the limit
Trichloroethylene1274June 30, 20251,460% over the limit
Tetrachloroethylene1273September 30, 2024672% over the limit
Mercury, total [as Hg]053March 31, 2012104% over the limit
Hexachlorobutadiene18101January 31, 1994112% over the limit
Oil and grease551January 31, 2013653% over the limit
1,2-Dichloroethane1341June 30, 2025162% over the limit
1,1,2-Trichloroethane1341June 30, 2025147% over the limit
1,1-Dichloroethane1241June 30, 2025515% over the limit
Copper, total [as Cu]1631September 30, 20213% over the limit
Chlorine, total residual1231December 31, 201816% over the limit
Zinc, total [as Zn]311January 31, 2013470% over the limit
Phenol1340
Chloroform1330
Flow, in conduit or thru treatment plant1230
Chloroethane1230
Carbon, tot organic [TOC]530
Nickel, total [as Ni]1520
Carbon tetrachloride1320
Lead, total [as Pb]1220
Methylene chloride1220
1,1-Dichloroethylene1220
trans-1,2-Dichloroethylene1220
1,1,2,2-Tetrachloroethane120
PCB-1254020
Benzo[a]pyrene310
Benzo[a]anthracene310
Vinyl chloride1300
Whole effluent toxicity - retest #1800
Whole effluent toxicity - retest #2800
WET, sublethal retest #1800
WET, sublethal retest #2800
Whole Effluent Toxicity - Retest #3800
Whole Effluent Toxicity, Sub-Lethal Retest #3800
Benzene500
Chlorobenzene500
Hexachloroethane500
1,2-Dichloropropane500
Naphthalene500
Toluene400
Acenaphthylene400
Acenaphthene400
Acrylonitrile400
Anthracene400
Benzo[k]fluoranthene400
Chrysene400
Diethyl phthalate400
Dimethyl phthalate400
Ethylbenzene400
Fluoranthene400
Fluorene400
Methyl chloride [Chloromethane]400
Nitrobenzene400
Phenanthrene400

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

DateWhat EPA recordedAgency
February 11, 2022Effluent Violations - Reported Fish KillST6
February 10, 2022Management Practice Violations - Improper Operation and MaintenanceST6

Velarion’s copy of EPA’s ICIS-NPDES files does not 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.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit LA0000761, held by Eagle US 2 LLC for WESTLAKE US 2, LLC - WESTLAKE LAKE CHARLES SOUTH in Lake Charles, LA, which discharges to Bayou D'Inde & Bayou Verdine. The permit is administratively continued and classed as a Major Discharger, with 95 listed and 18 pollutants showing an effluent exceedance, and it lists subwatershed Maple Fork-Bayou D'Inde (HUC 080802060301).