Clean Water Act discharge permit · NPDES LA0039390

PLACID REFINING CO, Port Allen, LA: NPDES LA0039390 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
26Pollutants under a numeric limit
9Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

PLACID REFINING CO, held by PLACID REFINING CO-PORT ALLEN, holds NPDES permit LA0039390, which discharges to 001 Mississippi, Else Icww. EPA’s file records it issued September 3, 2014 and expiring September 30, 2019.

PLACID REFINING CO, Port Allen, Louisiana: Individual permit LA0039390, held by PLACID REFINING CO-PORT ALLEN; Administratively continued (past its expiration date and still in force until reissued); issued September 3, 2014, term to September 30, 2019; discharges to 001 MISSISSIPPI, ELSE ICWW.

Oil and grease: 13 limits, 31 violations of any kind, 22 effluent exceedances, latest June 30, 2015, largest 192% over the limit.
Solids, total suspended: 7 limits, 15 violations of any kind, 12 effluent exceedances, latest July 31, 2022, largest 166% over the limit.
BOD, 5-day, 20 deg. C: 4 limits, 14 violations of any kind, 12 effluent exceedances, latest December 31, 2022, largest 99,999% over the limit.
pH: 20 limits, 20 violations of any kind, 8 effluent exceedances, latest September 30, 2021.
pH range excursions, > 60 minutes: 1 limit, 7 violations of any kind, 5 effluent exceedances, latest May 31, 2025, largest 2,147,483,650% over the limit.
Carbon, tot organic [TOC]: 9 limits, 10 violations of any kind, 4 effluent exceedances, latest March 31, 2018, largest 938% over the limit.
Oxygen demand, chem. [high level] [COD]: 4 limits, 4 violations of any kind, 2 effluent exceedances, latest November 30, 2017, largest 134% over the limit.
Sulfide, total [as S]: 4 limits, 4 violations of any kind, 2 effluent exceedances, latest April 30, 2025, largest 91% over the limit.
Phenolics, total recoverable: 4 limits, 4 violations of any kind, 2 effluent exceedances, latest February 28, 2009, largest 573% over the limit.
Flow, in conduit or thru treatment plant: 19 limits, 13 violations of any kind, 0 effluent exceedances.
pH range excursions, monthly total accum: 1 limit, 6 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 1 limit, 5 violations of any kind, 0 effluent exceedances.
Benzene: 1 limit, 5 violations of any kind, 0 effluent exceedances.
Chromium, hexavalent [as Cr]: 8 limits, 4 violations of any kind, 0 effluent exceedances.
Chromium, total [as Cr]: 8 limits, 4 violations of any kind, 0 effluent exceedances.
BTEX: 1 limit, 4 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
Benzene, ethylbenzene, toluene, xylene combination: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Whole effluent toxicity - retest #1: 8 limits, 0 violations of any kind, 0 effluent exceedances.
Whole effluent toxicity - retest #2: 8 limits, 0 violations of any kind, 0 effluent exceedances.
Whole Effluent Toxicity - Retest #3: 8 limits, 0 violations of any kind, 0 effluent exceedances.
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex: 4 limits, 0 violations of any kind, 0 effluent exceedances.
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas: 4 limits, 0 violations of any kind, 0 effluent exceedances.
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex: 4 limits, 0 violations of any kind, 0 effluent exceedances.
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Coef Of Var Static Renewal 48Hr Acute D. pulex: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas: 2 limits, 0 violations of any kind, 0 effluent exceedances.

PLACID REFINING CO among its neighbors

EPA’s permit file holds 16 discharge permits in the Manchac Point subwatershed (HUC 080701000104), LA0039390 among them. Its county holds 77, 4 of them major permits; LA0039390 is a major permit.

Other permits in the Manchac Point subwatershed (HUC 080701000104)

ASCENSION WASTEWATER TREATMENT - LAKE BEAU PRE TOWNHOMES, Baton Rouge: LA0117668, minor permit, permit term to June 30, 2009
BATON ROUGE COKE TERMINAL, Baton Rouge: LA0065056, minor permit, discharging to MISSISSIPPI RIVER, permit term to October 31, 2022
BATON ROUGE, CITY OF, Baton Rouge: LA0036412, major permit, discharging to MISSISSIPPI RIVER, permit term to August 31, 2023
CAPITAL FLEET INC, Port Allen: LA0096041, minor permit, discharging to MISSISSIPPIS RIVER, permit term to October 31, 2008
ECO SERVICES OPERATIONS CORP.- DE, Baton Rouge: LA0127172, major permit, permit term to August 24, 2022
ENTERPRISE PRODUCTS OPERATING LLC - BATON ROUGE FRACTIONATOR & PROPYLENE CONCENT, Port Allen: LA0105538, minor permit, discharging to INTRACOASTAL WATERWAY, permit term to June 30, 2025
EXXON COMPANY USA BATON ROUGE, Baton Rouge: LA0005584, major permit, discharging to MISSISSIPPI RIVER, permit term to September 30, 2022
FORMOSA PLASTICS CORPORATION, LOUISIANA, Baton Rouge: LA0006149, major permit, discharging to MONTE SANTO BAYOU DIVERTED TO MISS, permit term to November 30, 2022
LUKEVILLE LANE WWTP, Port Allen: LA0108588, minor permit, discharging to ICWW-MISSISSIPPI RIVER, permit term to May 31, 2023
MCKINNEY FLEET & BARGE SERVICE INC., Baton Rouge: LA0111783, minor permit, discharging to MISS RIVER, permit term to April 30, 2011

Identity

Facility as filed	PLACID REFINING CO
Permittee as filed	PLACID REFINING CO-PORT ALLEN
NPDES ID	LA0039390
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Not a publicly owned treatment works
Issued	September 3, 2014
Expiration date	September 30, 2019
Address	Port Allen, LA 70767
Receiving water	001 MISSISSIPPI, ELSE ICWW
Subwatershed	Manchac Point (HUC 080701000104)
SIC	2911 – Petroleum Refining
Other EPA IDs (FRS)	RCRA handler LAD053783353; ICIS-AIR source LA0000002212100012

Effluent limits and exceedances

27Pollutants on file
26Under a numeric limit
18With a violation of any kind
9With 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
Oil and grease	13	31	22	June 30, 2015	192% over the limit
Solids, total suspended	7	15	12	July 31, 2022	166% over the limit
BOD, 5-day, 20 deg. C	4	14	12	December 31, 2022	99,999% over the limit
pH	20	20	8	September 30, 2021
pH range excursions, > 60 minutes	1	7	5	May 31, 2025	2,147,483,650% over the limit
Carbon, tot organic [TOC]	9	10	4	March 31, 2018	938% over the limit
Oxygen demand, chem. [high level] [COD]	4	4	2	November 30, 2017	134% over the limit
Sulfide, total [as S]	4	4	2	April 30, 2025	91% over the limit
Phenolics, total recoverable	4	4	2	February 28, 2009	573% over the limit
Flow, in conduit or thru treatment plant	19	13	0
pH range excursions, monthly total accum	1	6	0
Lead, total [as Pb]	1	5	0
Benzene	1	5	0
Chromium, hexavalent [as Cr]	8	4	0
Chromium, total [as Cr]	8	4	0
BTEX	1	4	0
Nitrogen, ammonia total [as N]	4	2	0
Benzene, ethylbenzene, toluene, xylene combination	0	1	0
Whole effluent toxicity - retest #1	8	0	0
Whole effluent toxicity - retest #2	8	0	0
Whole Effluent Toxicity - Retest #3	8	0	0
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	4	0	0
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	4	0	0
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	4	0	0
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	4	0	0
Coef Of Var Static Renewal 48Hr Acute D. pulex	2	0	0
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas	2	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0039390.

Inspections

EPA’s inspection file holds no inspection for NPDES LA0039390.

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 LA0039390.

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

Placid Refining Co.'s Clean Water Act permit, NPDES LA0039390, is listed as administratively continued, meaning it remains in force past its expiration date until reissued; it was issued September 3, 2014 and expired September 30, 2019. The page shows 26 as the Major Discharger class count, 9 pollutants under a numeric limit, and 9 pollutants with an effluent exceedance, with the status as of October 14, 2026.