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Clean Water Act discharge permit · NPDES LA0111023

SHINTECH LOUISIANA, LLC- ADDIS PLANT A, Addis, LA: NPDES LA0111023 discharge permit, effluent exceedances, inspections, penalties

SHINTECH LOUISIANA, LLC- ADDIS PLANT A, held by Shintech Louisiana, LLC- Addis Plant A, holds NPDES permit LA0111023, which discharges to Miss River. 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 filedSHINTECH LOUISIANA, LLC- ADDIS PLANT A
Permittee as filedShintech Louisiana, LLC- Addis Plant A
NPDES IDLA0111023
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
IssuedSeptember 18, 2018
Expiration dateSeptember 30, 2023
AddressAddis, LA 70710
Receiving waterMISS RIVER
SubwatershedBayou Bourbeaux (HUC 080703000207)

Cited to the EPA ICIS-NPDES permit file (ECHO 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 77 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH161473April 30, 2019
pH range excursions, > 60 minutes173April 30, 20192,147,483,650% over the limit
BOD, 5-day, 20 deg. C282March 31, 200199,999% over the limit
Oil & Grease6611September 30, 20257% over the limit
pH range excursions, monthly total accum151January 31, 2018121% over the limit
Flow, in conduit or thru treatment plant181410
Aluminum, total [as Al]6840
Carbon, tot organic [TOC]6700
Solids, total suspended6480
Benzene4230
Lead, total [as Pb]2230
BTEX2230
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas2160
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex2140
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex2140
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas2140
Oil and grease0100
Chloroform220
Acenaphthylene220
Acenaphthene220
Acrylonitrile220
Anthracene220
Benzo[b]fluoranthene220
Benzo[k]fluoranthene220
Benzo[a]pyrene220
Chlorobenzene220
Chrysene220
Diethyl phthalate220
Dimethyl phthalate220
Fluoranthene220
Fluorene220
Hexachlorobutadiene220
Hexachloroethane220
Nitrobenzene220
Phenanthrene220
Pyrene220
Tetrachloroethylene220
Benzo[a]anthracene220
1,2-Dichloropropane220
1,2,4-Trichlorobenzene220
1,3-Dichlorobenzene220
2-Chlorophenol220
2-Nitrophenol220
2,4-Dichlorophenol220
2,4-Dimethylphenol220
2,4-Dinitrotoluene220
2,4-Dinitrophenol220
2,6-Dinitrotoluene220
4-Nitrophenol220
4,6-Dinitro-o-cresol220
Phenol220
Naphthalene220
Di[2-ethylhexyl] phthalate [DEHP]220
Di-n-butyl phthalate220
Trichloroethylene220
Hexachlorobenzene220
1,3-Dichloropropylene220
Coef Of Var Static Renewal 48Hr Acute D. pulex120
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas120
Whole effluent toxicity - retest #1400

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 LA0111023.

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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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 LA0111023 there.

Nearby on the register

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