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Clean Water Act discharge permit · NPDES LA0005487

SYNGENTA CROP PROTECTION, LLC, St. Gabriel, LA: NPDES LA0005487 discharge permit, effluent exceedances, inspections, penalties

SYNGENTA CROP PROTECTION, LLC, held by Syngenta Crop Protection, LLC, holds NPDES permit LA0005487, which discharges to 0402. EPA’s file records it issued May 21, 2012 and expiring June 30, 2017. 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 filedSYNGENTA CROP PROTECTION, LLC
Permittee as filedSyngenta Crop Protection, LLC
NPDES IDLA0005487
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
IssuedMay 21, 2012
Expiration dateJune 30, 2017
AddressSt. Gabriel, LA 70776
Receiving water0402
Receiving water impaired303(D) Listed
SubwatershedClaiborne Island (HUC 080701000105)

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 92 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended71410June 30, 202680% over the limit
BOD, 5-day, 20 deg. C444December 31, 202060% over the limit
Phenol442August 31, 1998122% over the limit
Zinc, total [as Zn]242December 31, 201351% over the limit
Norflurazon222January 31, 2007516% over the limit
Nitrogen, nitrate total [as N]022February 28, 199330% over the limit
pH10111December 31, 1999
pH range excursions, > 60 minutes131October 31, 200699,999% over the limit
Bromide [as Br]031September 30, 199240% over the limit
Oil and grease421February 28, 200773% over the limit
Coliform, fecal general411February 29, 2012121% over the limit
Nitrogen, ammonia total [as N]211March 31, 20018% over the limit
Cyanide, free [amenable to chlorination]211November 30, 1995136% over the limit
Carbon tetrachloride211August 31, 20089% over the limit
Toluene211September 30, 200067% over the limit
2-Nitrophenol211January 31, 200999,999% over the limit
Chlorine, total residual211September 30, 19965% over the limit
Flow, in conduit or thru treatment plant16110
Phenolics, total recoverable040
Carbon, tot organic [TOC]620
Solids, total dissolved220
pH range excursions, monthly total accum120
CBOD5+NH3-N020
Benzene310
Lead, total [as Pb]110
BTEX110
Oil & Grease010
Whole effluent toxicity - retest #1400
Whole effluent toxicity - retest #2400
1,2-Dichloroethane400
Bromoform400
Dibromochloromethane400
Acenaphthylene400
Acenaphthene400
Acrylonitrile400
Anthracene400
Benzo[b]fluoranthene400
Benzo[k]fluoranthene400
Benzo[a]pyrene400
Chrysene400
Diethyl phthalate400
Dimethyl phthalate400
Fluoranthene400
Fluorene400
Hexachlorobutadiene400
Hexachloroethane400
Methyl chloride [Chloromethane]400
Nitrobenzene400
Phenanthrene400
Pyrene400
Tetrachloroethylene400
1,1-Dichloroethane400
1,1-Dichloroethylene400
1,1,1-Trichloroethane400
1,1,2-Trichloroethane400
Benzo[a]anthracene400
1,2-Dichloropropane400
trans-1,2-Dichloroethylene400
1,2,4-Trichlorobenzene400
2,4-Dimethylphenol400

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 LA0005487.

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.

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 LA0005487 there.

Nearby on the register

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