Clean Water Act discharge permit · NPDES LA0126977

TSRC SPECIALTY MATERIALS LLC - PLAQUEMINE MANUFACTURING PLANT, Plaquemine, LA: NPDES LA0126977 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
58Pollutants under a numeric limit
3Pollutants with an effluent exceedance

TSRC SPECIALTY MATERIALS LLC - PLAQUEMINE MANUFACTURING PLANT, held by Dexco Polymers LP - Plaquemine Manufacturing Plant, holds NPDES permit LA0126977. EPA’s file records it issued August 28, 2015 and expiring September 30, 2020. 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 filed	TSRC SPECIALTY MATERIALS LLC - PLAQUEMINE MANUFACTURING PLANT
Permittee as filed	Dexco Polymers LP - Plaquemine Manufacturing Plant
NPDES ID	LA0126977
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	August 28, 2015
Expiration date	September 30, 2020
Address	Plaquemine, LA 70764
Subwatershed	Bayou Bourbeaux (HUC 080703000207)
SIC	2821 – Plastics Materials And Resins
Other EPA IDs (FRS)	RCRA handler LAR000079145; ICIS-AIR source LA0000002204700147

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

58Pollutants on file
58Under a numeric limit
6With a violation of any kind
3With 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
BOD, 5-day, 20 deg. C	2	5	5	May 31, 2023	99,999% over the limit
pH	6	6	2	August 31, 2020
Solids, total suspended	2	1	1	December 31, 2018	4% over the limit
Flow, in conduit or thru treatment plant	6	4	0
Carbon, tot organic [TOC]	2	2	0
Oil and grease	2	2	0
Carbon tetrachloride	2	0	0
1,2-Dichloroethane	2	0	0
Chloroform	2	0	0
Toluene	2	0	0
Benzene	2	0	0
Acenaphthylene	2	0	0
Acenaphthene	2	0	0
Acrylonitrile	2	0	0
Anthracene	2	0	0
Benzo[b]fluoranthene	2	0	0
Benzo[k]fluoranthene	2	0	0
Benzo[a]pyrene	2	0	0
Chlorobenzene	2	0	0
Chrysene	2	0	0
Diethyl phthalate	2	0	0
Dimethyl phthalate	2	0	0
Ethylbenzene	2	0	0
Fluoranthene	2	0	0
Fluorene	2	0	0
Hexachlorobutadiene	2	0	0
Hexachloroethane	2	0	0
Methyl chloride [Chloromethane]	2	0	0
Methylene chloride	2	0	0
Nitrobenzene	2	0	0
Phenanthrene	2	0	0
Pyrene	2	0	0
Tetrachloroethylene	2	0	0
1,1-Dichloroethane	2	0	0
1,1-Dichloroethylene	2	0	0
1,1,1-Trichloroethane	2	0	0
1,1,2-Trichloroethane	2	0	0
Benzo[a]anthracene	2	0	0
1,2-Dichlorobenzene	2	0	0
1,2-Dichloropropane	2	0	0
trans-1,2-Dichloroethylene	2	0	0
1,2,4-Trichlorobenzene	2	0	0
1,3-Dichlorobenzene	2	0	0
1,4-Dichlorobenzene	2	0	0
2-Nitrophenol	2	0	0
2,4-Dimethylphenol	2	0	0
2,4-Dinitrophenol	2	0	0
4-Nitrophenol	2	0	0
4,6-Dinitro-o-cresol	2	0	0
Phenol	2	0	0
Naphthalene	2	0	0
Di[2-ethylhexyl] phthalate [DEHP]	2	0	0
Di-n-butyl phthalate	2	0	0
Vinyl chloride	2	0	0
Trichloroethylene	2	0	0
Hexachlorobenzene	2	0	0
1,3-Dichloropropylene	2	0	0
Chloroethane	2	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 LA0126977.

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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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 LA0126977 there.

Nearby on the register

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

This public-records page covers NPDES permit LA0126977 for the TSRC SPECIALTY MATERIALS LLC - PLAQUEMINE MANUFACTURING PLANT in Plaquemine, LA, held by Dexco Polymers LP - Plaquemine Manufacturing Plant, with the permit administratively continued and classed as a Major Discharger. The page lists 58 as the discharger class, 3 pollutants under a numeric limit, and 3 pollutants with an effluent exceedance, and places the facility in subwatershed HUC 080703000207.