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Clean Water Act discharge permit · NPDES LA0038890

NALCO PRODUCTION LLC- GARYVILLE FACILITY, Garyville, LA: NPDES LA0038890 discharge permit, effluent exceedances, inspections, penalties

NALCO PRODUCTION LLC- GARYVILLE FACILITY, held by Nalco Production LLC- Garyville Facility, holds NPDES permit LA0038890, which discharges to Mississippi River. EPA’s file records it issued February 2, 2015 and expiring February 29, 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 filedNALCO PRODUCTION LLC- GARYVILLE FACILITY
Permittee as filedNalco Production LLC- Garyville Facility
NPDES IDLA0038890
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
IssuedFebruary 2, 2015
Expiration dateFebruary 29, 2020
AddressGaryville, LA 70051
Receiving waterMISSISSIPPI RIVER
Receiving water impaired303(D) Listed
SubwatershedClaiborne Island (HUC 080701000105)
SIC2869 – Industrial Organic Chemicals
Other EPA IDs (FRS)RCRA handler LAD050901669; ICIS-AIR source LA0000002209500007

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 75 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH8157January 31, 2026
Coliform, fecal general284December 31, 2025900% over the limit
Solids, total suspended264April 30, 202046% over the limit
Zinc, total [as Zn]253July 31, 2018272% over the limit
Carbon, tot organic [TOC]341December 31, 2021196% over the limit
Copper, total [as Cu]231April 30, 200416% over the limit
Flow, in conduit or thru treatment plant12120
Oil and grease550
BOD, 5-day, 20 deg. C220
Oxygen demand, chem. [high level] [COD]220
Carbon tetrachloride220
1,2-Dichloroethane220
Chloroform220
Toluene220
Benzene220
Acenaphthylene220
Acenaphthene220
Acrylonitrile220
Anthracene220
Benzo[b]fluoranthene220
Benzo[k]fluoranthene220
Benzo[a]pyrene220
Chlorobenzene220
Chrysene220
Diethyl phthalate220
Dimethyl phthalate220
Ethylbenzene220
Fluoranthene220
Fluorene220
Hexachlorobutadiene220
Hexachloroethane220
Methyl chloride [Chloromethane]220
Methylene chloride220
Nitrobenzene220
Phenanthrene220
Pyrene220
Tetrachloroethylene220
1,1-Dichloroethane220
1,1-Dichloroethylene220
1,1,1-Trichloroethane220
1,1,2-Trichloroethane220
Benzo[a]anthracene220
1,2-Dichlorobenzene220
1,2-Dichloropropane220
trans-1,2-Dichloroethylene220
1,2,4-Trichlorobenzene220
1,3-Dichlorobenzene220
1,4-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

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 LA0038890.

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 NPDES permit LA0038890, held by Nalco Production LLC- Garyville Facility for NALCO PRODUCTION LLC- GARYVILLE FACILITY in Garyville, LA, which discharges to the Mississippi River. The page lists a permit status of Administratively continued, a Major Discharger class, 75 pollutants under a numeric limit, and 6 pollutants with an effluent exceedance.