Clean Water Act discharge permit · NPDES LA0001457

NORTH TERREBONNE GAS PLANT, Gibson, LA: NPDES LA0001457 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
4Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

NORTH TERREBONNE GAS PLANT, held by ENTERPRISE GAS PROCESSING LLC, holds NPDES permit LA0001457. EPA’s file records it issued November 13, 2009 and expiring November 30, 2014.

NORTH TERREBONNE GAS PLANT, Gibson, Louisiana: Individual permit LA0001457, held by ENTERPRISE GAS PROCESSING LLC; Administratively continued (past its expiration date and still in force until reissued); issued November 13, 2009, term to November 30, 2014.

Solids, total suspended: 0 limits, 8 violations of any kind, 8 effluent exceedances, latest June 30, 2020, largest 80% over the limit.
Carbon, tot organic [TOC]: 0 limits, 5 violations of any kind, 5 effluent exceedances, latest October 31, 2019, largest 552% over the limit.
Coliform, fecal general: 0 limits, 4 violations of any kind, 4 effluent exceedances, latest June 30, 2017, largest 99,999% over the limit.
BOD, 5-day, 20 deg. C: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2016, largest 33% over the limit.

Other permits held by ENTERPRISE GAS PROCESSING LLC

ENTERPRISE GAS PROCESSING LLC -TEBONE FRACTIONATION PLANT, Geismar: LA0001431, issued July 31, 2015
TOCA GAS PLANT, Saint Bernard: LA0001465, issued May 13, 2011
CALUMET GAS PLANT, Patterson: LA0001473, issued June 18, 2004
NEPTUNE GAS PLANT, Centerville: LA0107417, issued September 29, 2016
ENTERPRISE GAS PROCESSING LLC - SEA ROBIN GAS PROCESSING PLANT, Erath: LA0109487, issued December 17, 2020

NORTH TERREBONNE GAS PLANT among its neighbors

EPA’s permit file holds 4 discharge permits in the Bayou Black-Intracoastal Waterway subwatershed (HUC 080903020102), LA0001457 among them. Its county holds 124, 2 of them major permits; LA0001457 is a minor permit.

Other permits in the Bayou Black-Intracoastal Waterway subwatershed (HUC 080903020102)

INTERTEK ASSET INTEGRITY MGMT, INC, Amelia: LA0107247, minor permit, discharging to BAYOU L'OURSE, permit term to January 31, 2016
LAD SERVICES OF LOUISIANA, LLC - AMELIA FACILITY, Morgan City: LAR05Q167, minor permit, permit term to October 26, 2026
PIERRE PART STORE, INC., Pierre Part: LAG531350, minor permit, permit term to November 30, 2022

Identity

Facility as filed	NORTH TERREBONNE GAS PLANT
Permittee as filed	ENTERPRISE GAS PROCESSING LLC
NPDES ID	LA0001457
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	November 13, 2009
Expiration date	November 30, 2014
Address	Gibson, LA 70356
Subwatershed	Bayou Black-Intracoastal Waterway (HUC 080903020102)

Effluent limits and exceedances

4Pollutants on file
0Under a numeric limit
4With a violation of any kind
4With an effluent exceedance

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.

Pollutant or measure	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	8	8	June 30, 2020	80% over the limit
Carbon, tot organic [TOC]	5	5	October 31, 2019	552% over the limit
Coliform, fecal general	4	4	June 30, 2017	99,999% over the limit
BOD, 5-day, 20 deg. C	1	1	December 31, 2016	33% over the limit

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0001457.

Inspections

EPA’s inspection file holds no inspection for NPDES LA0001457.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES LA0001457.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit LA0001457 for the North Terrebonne Gas Plant in Gibson, LA, held by Enterprise Gas Processing LLC, with the permit listed as administratively continued and a minor discharger class. The page lists 4 pollutants on file, 0 under a numeric limit, and 4 with an effluent exceedance, within the Bayou Black-Intracoastal Waterway subwatershed (HUC 080903020102).