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Clean Water Act discharge permit · NPDES LA0002950

BASF CORP-GEISMAR, Geismar, LA: NPDES LA0002950 discharge permit, effluent exceedances, inspections, penalties

BASF CORP-GEISMAR, held by BASF CORPORATION-GEISMAR, holds NPDES permit LA0002950, which discharges to Mississippi River. EPA’s file records it issued September 12, 2017 and expiring October 31, 2022. 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 filedBASF CORP-GEISMAR
Permittee as filedBASF CORPORATION-GEISMAR
NPDES IDLA0002950
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 12, 2017
Expiration dateOctober 31, 2022
AddressGeismar, LA 70734
Receiving waterMISSISSIPPI RIVER
Receiving water impaired303(D) Listed
SubwatershedClaiborne Island (HUC 080701000105)
SIC2869 – Industrial Organic Chemicals
Other EPA IDs (FRS)RCRA handler LAD000777144; ICIS-AIR source LA0000002200500013

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
BOD, 5-day, 20 deg. C299February 28, 202144% over the limit
Toluene488February 28, 2010625% over the limit
Nitrobenzene653May 31, 20071,446% over the limit
Solids, total suspended233May 31, 200637% over the limit
Nickel, total [as Ni]1042May 31, 2020196% over the limit
Chlorobenzene622January 31, 2008253% over the limit
pH range excursions, > 60 minutes111December 31, 20222,147,483,650% over the limit
Flow, in conduit or thru treatment plant1420
pH420
Nitrogen, ammonia total [as N]020
Phosphorus, total [as P]020
Carbon, tot organic [TOC]110
Oil and grease010
Copper, total [as Cu]1000
Cyanide, total [as CN]600
Benzene600
Phenol600
Hexachlorobenzene600
Carbon tetrachloride400
1,2-Dichloroethane400
Chloroform400
Acenaphthylene400
Acenaphthene400
Acrylonitrile400
Anthracene400
Benzo[b]fluoranthene400
Benzo[k]fluoranthene400
Benzo[a]pyrene400
Chrysene400
Diethyl phthalate400
Dimethyl phthalate400
Ethylbenzene400
Fluoranthene400
Fluorene400
Hexachlorobutadiene400
Hexachloroethane400
Methyl chloride [Chloromethane]400
Methylene chloride400
Phenanthrene400
Pyrene400
Tetrachloroethylene400
1,1-Dichloroethane400
1,1-Dichloroethylene400
1,1,1-Trichloroethane400
1,1,2-Trichloroethane400
Benzo[a]anthracene400
1,2-Dichlorobenzene400
1,2-Dichloropropane400
trans-1,2-Dichloroethylene400
1,2,4-Trichlorobenzene400
1,3-Dichlorobenzene400
1,4-Dichlorobenzene400
2-Chlorophenol400
2-Nitrophenol400
2,4-Dichlorophenol400
2,4-Dimethylphenol400
2,4-Dinitrotoluene400
2,4-Dinitrophenol400
2,6-Dinitrotoluene400
4-Nitrophenol400

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 LA0002950.

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 LA0002950 for BASF CORP-GEISMAR in Geismar, LA, which discharges to the Mississippi River and is listed as a Major Discharger with an administratively continued status. The page reports 7 pollutants under a numeric limit and 7 pollutants with an effluent exceedance, with the permit issued September 12, 2017 and expiring October 31, 2022.