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Clean Water Act discharge permit · NPDES LA0005347

LAKE CHARLES FACILITY, Westlake, LA: NPDES LA0005347 discharge permit, effluent exceedances, inspections, penalties

LAKE CHARLES FACILITY, held by Lyondell Chemical Company, holds NPDES permit LA0005347, which discharges to Calcasieu River/Bayou Verdine. EPA’s file records it issued June 14, 2007 and expiring June 30, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedLAKE CHARLES FACILITY
Permittee as filedLyondell Chemical Company
NPDES IDLA0005347
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
IssuedJune 14, 2007
Expiration dateJune 30, 2012
AddressWestlake, LA 70669
Receiving waterCALCASIEU RIVER/BAYOU VERDINE
Receiving water impaired303(D) Listed
SubwatershedBayou Verdine-Calcasieu River (HUC 080802060302)
Other EPA IDs (FRS)RCRA handler LAR000018333

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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 98 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH1810432July 31, 2005
Chloroform2166February 28, 1997847% over the limit
pH range excursions, > 60 minutes3355May 31, 200199,999% over the limit
Chlorobenzene2133October 31, 199866% over the limit
BOD, 5-day, 20 deg. C273April 30, 200899,999% over the limit
Carbon, tot organic [TOC]19582November 30, 2003169% over the limit
Oil & Grease082June 30, 2006107% over the limit
Nitrogen, organic total [as N]462August 31, 19968% over the limit
Nickel, total [as Ni]442March 31, 1994288% over the limit
2,4-Dinitrotoluene042October 31, 19951,273% over the limit
1,2-Dichloroethane2111February 28, 1997274% over the limit
Methyl chloride [Chloromethane]2111October 31, 2002335% over the limit
Flow, in conduit or thru treatment plant28760
Temperature, water deg. fahrenheit1310
pH range excursions, monthly total accum3300
Hexachlorobutadiene4140
Hexachlorobenzene4140
Benzene3140
Toluene2140
Acrylonitrile2140
Hexachloroethane2140
Nitrobenzene2140
1,1-Dichloroethane2140
1,1,2-Trichloroethane2140
1,2-Dichlorobenzene2140
trans-1,2-Dichloroethylene2140
1,2,4-Trichlorobenzene2140
1,3-Dichlorobenzene2140
1,4-Dichlorobenzene2140
2-Nitrophenol2140
2,4-Dinitrophenol2140
4-Nitrophenol2140
4,6-Dinitro-o-cresol2140
Trichloroethylene2140
Chloroethane2140
Ethylbenzene2120
Tetrachloroethylene2120
1,1-Dichloroethylene2120
1,3-Dichloropropene0120
Carbon tetrachloride4100
1,1,1-Trichloroethane2100
Vinyl chloride2100
Solids, total suspended780
1,2-Dichloropropane280
Methylene chloride, suspended080
Nitrogen, ammonia total [as N]660
Benzo[a]pyrene360
Benzo[a]anthracene360
Acenaphthylene260
Acenaphthene260
Anthracene260
Benzo[b]fluoranthene260
Benzo[k]fluoranthene260
Chrysene260
Diethyl phthalate260
Dimethyl phthalate260
Fluoranthene260
Fluorene260
Phenanthrene260
Pyrene260

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0005347.

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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How we handle your data → Privacy

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 LA0005347 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit LA0005347 for the LAKE CHARLES FACILITY in Westlake, LA, held by Lyondell Chemical Company and discharging to Calcasieu River/Bayou Verdine. The permit is listed as administratively continued, with a Major Discharger class of 85, 12 pollutants under a numeric limit, and 12 pollutants with an effluent exceedance.