Clean Water Act discharge permit · NPDES LA0003824

FIRESTONE POLYMERS, LLC - LAKE CHARLES PLANT, Lake Charles, LA: NPDES LA0003824 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
27Pollutants under a numeric limit
12Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

FIRESTONE POLYMERS, LLC - LAKE CHARLES PLANT, held by Firestone Polymers, LLC - Lake Charles Facility, holds NPDES permit LA0003824, which discharges to 0323. EPA’s file records it issued October 30, 2012 and expiring November 30, 2017.

FIRESTONE POLYMERS, LLC - LAKE CHARLES PLANT, Lake Charles, Louisiana: Individual permit LA0003824, held by Firestone Polymers, LLC - Lake Charles Facility; Administratively continued (past its expiration date and still in force until reissued); issued October 30, 2012, term to November 30, 2017; discharges to 0323.

BOD, 5-day, 20 deg. C: 2 limits, 44 violations of any kind, 30 effluent exceedances, latest September 30, 2025, largest 298% over the limit.
Nitrogen, ammonia total [as N]: 2 limits, 25 violations of any kind, 11 effluent exceedances, latest September 30, 2013, largest 70% over the limit.
Solids, total suspended: 2 limits, 19 violations of any kind, 9 effluent exceedances, latest November 30, 2021, largest 90% over the limit.
pH: 6 limits, 22 violations of any kind, 6 effluent exceedances, latest December 31, 2010.
Oxygen demand, chem. [high level] [COD]: 2 limits, 18 violations of any kind, 4 effluent exceedances, latest August 31, 2010, largest 61% over the limit.
Temperature, water deg. fahrenheit: 2 limits, 19 violations of any kind, 3 effluent exceedances, latest August 31, 2013, largest 8% over the limit.
pH range excursions, > 60 minutes: 1 limit, 12 violations of any kind, 2 effluent exceedances, latest July 31, 2022, largest 2,147,483,650% over the limit.
Oil and grease, hexane extr method: 0 limits, 10 violations of any kind, 2 effluent exceedances, latest August 31, 2005, largest 287% over the limit.
Oil and grease: 4 limits, 8 violations of any kind, 2 effluent exceedances, latest January 31, 2012, largest 74% over the limit.
Mercury, total [as Hg]: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest September 30, 2011, largest 160% over the limit.
Coliform, fecal general: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest June 30, 2023, largest 99,999% over the limit.
pH range excursions, monthly total accum: 1 limit, 11 violations of any kind, 1 effluent exceedance, latest July 31, 1999, largest 1% over the limit.
Flow, in conduit or thru treatment plant: 6 limits, 16 violations of any kind, 0 effluent exceedances.
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 2 limits, 7 violations of any kind, 0 effluent exceedances.
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia): 2 limits, 5 violations of any kind, 0 effluent exceedances.
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 2 limits, 5 violations of any kind, 0 effluent exceedances.
Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 2 limits, 4 violations of any kind, 0 effluent exceedances.
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia: 2 limits, 4 violations of any kind, 0 effluent exceedances.
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Carbon, tot organic [TOC]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Pass/Fail Static Renewal 7Day Chronic Menidia: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 1 limit, 2 violations of any kind, 0 effluent exceedances.
Coef Of Var Static Renewal 7Day Chronic Menidia menidia: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Whole effluent toxicity - retest #1: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Whole effluent toxicity - retest #2: 4 limits, 0 violations of any kind, 0 effluent exceedances.
WET, sublethal retest #1: 4 limits, 0 violations of any kind, 0 effluent exceedances.
WET, sublethal retest #2: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Whole Effluent Toxicity - Retest #3: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Whole Effluent Toxicity, Sub-Lethal Retest #3: 4 limits, 0 violations of any kind, 0 effluent exceedances.

September 8, 2026: Evaluation (S).

FIRESTONE POLYMERS, LLC - LAKE CHARLES PLANT among its neighbors

EPA’s permit file holds 29 discharge permits in the Maple Fork-Bayou D'Inde subwatershed (HUC 080802060301), LA0003824 among them. Its county holds 299, 28 of them major permits; LA0003824 is a major permit.

Other permits in the Maple Fork-Bayou D'Inde subwatershed (HUC 080802060301)

APACHE INDUSTRIAL SERVICES, INC - APACHE SULPHUR YARD, Sulphur: LAR05Q301, minor permit, permit term to October 26, 2026
ASHAN ENTERPRISES LLC - LIGHTHOUSE MARKET BEGLIS PKWY, Sulphur: LAG536706, minor permit, permit term to November 30, 2027
CALCASIEU FAMILY PHYSICIANS OF W. CALCASIEU CAMERON HOSPITAL, Sulphur: LAG536689, minor permit, permit term to November 30, 2027
CITGO PETROLEUM CORPORATION, Lake Charles: LA0005941, major permit, discharging to 0315, permit term to October 31, 2022
D.R. HORTON INC - GULF COAST: MIMOSA PARK, Sulphur: LAR10P192, minor permit, permit term to March 28, 2026
DESHOTEL, LLC - LUSH ADULT CLUB, Westlake: LAG536847, minor permit, permit term to November 30, 2027
DIAMOND D INDUSTRIES LLC - DIAMOND D INDUSTRIES HEADQUARTERS, Sulphur: LAG481280, minor permit, permit term to December 15, 2030
DSLD HOMES, LLC - BELLE SAVANNE SUBD., Sulphur: LAR10M254, minor permit, permit term to March 28, 2026
DSLD LLC - BELEL SAVANNE SUBD., Sulphur: LAR10K820, minor permit, permit term to April 23, 2016
HAWKINS, INC OF MINNESOTA- SULPHUR FACILITY, Sulphur: LA0127586, minor permit, permit term to April 30, 2029

Identity

Facility as filed	FIRESTONE POLYMERS, LLC - LAKE CHARLES PLANT
Permittee as filed	Firestone Polymers, LLC - Lake Charles Facility
NPDES ID	LA0003824
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	October 30, 2012
Expiration date	November 30, 2017
Address	Lake Charles, LA 70665
Receiving water	0323
Receiving water impaired	303(D) Listed
Subwatershed	Maple Fork-Bayou D'Inde (HUC 080802060301)
SIC	2822 – Synthetic Rubber
Other EPA IDs (FRS)	ICIS-AIR source LA0000002201900007

Effluent limits and exceedances

30Pollutants on file
27Under a numeric limit
24With a violation of any kind
12With 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
BOD, 5-day, 20 deg. C	2	44	30	September 30, 2025	298% over the limit
Nitrogen, ammonia total [as N]	2	25	11	September 30, 2013	70% over the limit
Solids, total suspended	2	19	9	November 30, 2021	90% over the limit
pH	6	22	6	December 31, 2010
Oxygen demand, chem. [high level] [COD]	2	18	4	August 31, 2010	61% over the limit
Temperature, water deg. fahrenheit	2	19	3	August 31, 2013	8% over the limit
pH range excursions, > 60 minutes	1	12	2	July 31, 2022	2,147,483,650% over the limit
Oil and grease, hexane extr method	0	10	2	August 31, 2005	287% over the limit
Oil and grease	4	8	2	January 31, 2012	74% over the limit
Mercury, total [as Hg]	0	2	2	September 30, 2011	160% over the limit
Coliform, fecal general	0	2	2	June 30, 2023	99,999% over the limit
pH range excursions, monthly total accum	1	11	1	July 31, 1999	1% over the limit
Flow, in conduit or thru treatment plant	6	16	0
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	2	7	0
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia	2	6	0
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)	2	5	0
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	2	5	0
Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	2	4	0
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia	2	4	0
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia	2	4	0
Carbon, tot organic [TOC]	2	2	0
Pass/Fail Static Renewal 7Day Chronic Menidia	2	2	0
Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	1	2	0
Coef Of Var Static Renewal 7Day Chronic Menidia menidia	1	1	0
Whole effluent toxicity - retest #1	4	0	0
Whole effluent toxicity - retest #2	4	0	0
WET, sublethal retest #1	4	0	0
WET, sublethal retest #2	4	0	0
Whole Effluent Toxicity - Retest #3	4	0	0
Whole Effluent Toxicity, Sub-Lethal Retest #3	4	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0003824.

Inspections

Date	What EPA recorded	Agency
September 8, 2026	Evaluation	S

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 LA0003824.

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

This public-records page covers Clean Water Act NPDES permit LA0003824, held by Firestone Polymers, LLC - Lake Charles Facility in Lake Charles, LA, which discharges to receiving water 0323. The page lists 27 as the discharger class, 12 pollutants under a numeric limit, and 12 pollutants with an effluent exceedance, with the permit shown as administratively continued.