Clean Water Act discharge permit · NPDES LA0127004

ONESUBSEA LLC - ONESUBSEA BERWICK FACILITY, Bayou Vista, LA: NPDES LA0127004 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
5Pollutants under a numeric limit
4Pollutants with an effluent exceedance

ONESUBSEA LLC - ONESUBSEA BERWICK FACILITY, held by CAMERON INTERNATIONAL CORP, holds NPDES permit LA0127004. EPA’s file records it issued July 8, 2021 and expiring July 31, 2026. 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 filed	ONESUBSEA LLC - ONESUBSEA BERWICK FACILITY
Permittee as filed	CAMERON INTERNATIONAL CORP
NPDES ID	LA0127004
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 8, 2021
Expiration date	July 31, 2026
Address	Bayou Vista, LA 70380
Receiving water impaired	303(D) Listed
Subwatershed	Bayou Teche-Lower Atchafalaya River (HUC 080801010502)
SIC	3533 – Oil And Gas Field Machinery
Other EPA IDs (FRS)	RCRA handler LAD020878740; ICIS-AIR source LA0000002210100244

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

8Pollutants on file
5Under 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	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Carbon, tot organic [TOC]	2	12	12	December 31, 2024	654% over the limit
Coliform, fecal general	0	6	6	December 31, 2019	99,999% over the limit
Solids, total suspended	0	4	4	June 30, 2020	145% over the limit
Oil and grease	0	1	1	December 31, 2016	264% over the limit
pH	4	0	0
Flow, in conduit or thru treatment plant	4	0	0
Ethylene glycol	4	0	0
Oil & Grease	2	0	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0127004.

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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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 LA0127004 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit LA0127004, held by CAMERON INTERNATIONAL CORP for the ONESUBSEA LLC - ONESUBSEA BERWICK FACILITY in Bayou Vista, LA, with a status of Effective and a Minor Discharger class. The facts list 5 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, with the permit issued July 8, 2021 and expiring July 31, 2026.