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Clean Water Act discharge permit · NPDES LA0029963

AMERICAS STYRENICS, LLC- ST. JAMES PLANT, St. James, LA: NPDES LA0029963 discharge permit, effluent exceedances, inspections, penalties

AMERICAS STYRENICS, LLC- ST. JAMES PLANT, held by Americas Styrenics, LLC- St. James Plant, holds NPDES permit LA0029963, which discharges to Mississippi River. EPA’s file records it issued June 11, 2014 and expiring June 30, 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 filedAMERICAS STYRENICS, LLC- ST. JAMES PLANT
Permittee as filedAmericas Styrenics, LLC- St. James Plant
NPDES IDLA0029963
Permit statusEffective
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 11, 2014
Expiration dateJune 30, 2019
AddressSt. James, LA 70086
Receiving waterMISSISSIPPI RIVER
SubwatershedClaiborne Island (HUC 080701000105)
SIC2865 – Cyclic Crudes And Intermediates
Other EPA IDs (FRS)RCRA handler LAD055010078; ICIS-AIR source LA0000002209300007

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

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 76 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended8139March 31, 2026210% over the limit
Coliform, fecal general6128September 30, 202299,999% over the limit
pH8182September 30, 2021
Oil & Grease022December 31, 2025300% over the limit
Phenol211December 31, 202120% over the limit
Flow, in conduit or thru treatment plant16520
pH range excursions, > 60 minutes170
pH range excursions, monthly total accum170
BOD, 5-day, 20 deg. C840
Chrysene240
Nitrogen, Total As N420
Copper, total [as Cu]220
Zinc, total [as Zn]220
Oil and grease220
Carbon, tot organic [TOC]210
Whole effluent toxicity - retest #1400
Whole effluent toxicity - retest #2400
Phosphorus, Total As P400
Whole Effluent Toxicity - Retest #3400
Chromium, total [as Cr]200
Carbon tetrachloride200
1,2-Dichloroethane200
Chloroform200
Toluene200
Benzene200
Acenaphthylene200
Acenaphthene200
Acrylonitrile200
Anthracene200
Benzo[b]fluoranthene200
Benzo[k]fluoranthene200
Benzo[a]pyrene200
Chlorobenzene200
Diethyl phthalate200
Dimethyl phthalate200
Ethylbenzene200
Fluoranthene200
Fluorene200
Hexachlorobutadiene200
Hexachloroethane200
Methyl chloride [Chloromethane]200
Methylene chloride200
Nitrobenzene200
Phenanthrene200
Pyrene200
Tetrachloroethylene200
1,1-Dichloroethane200
1,1-Dichloroethylene200
1,1,1-Trichloroethane200
1,1,2-Trichloroethane200
Benzo[a]anthracene200
1,2-Dichlorobenzene200
1,2-Dichloropropane200
trans-1,2-Dichloroethylene200
1,2,4-Trichlorobenzene200
1,3-Dichlorobenzene200
1,4-Dichlorobenzene200
2-Nitrophenol200
2,4-Dimethylphenol200
2,4-Dinitrophenol200

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 LA0029963.

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 Clean Water Act NPDES permit LA0029963, held by AMERICAS STYRENICS, LLC- ST. JAMES PLANT in St. James, LA, which discharges to the MISSISSIPPI RIVER and is listed with a Major Discharger class of 75 and a permit status of Effective. The page lists 5 pollutants with an effluent exceedance, with the permit recorded as issued June 11, 2014 and expiring June 30, 2019.