Clean Water Act discharge permit · NPDES LA0041751

EUNICE CITY OF - WWTP, Eunice, LA: NPDES LA0041751 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
24Pollutants under a numeric limit
12Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

EUNICE CITY OF - WWTP, held by City of Eunice- Wastewater Treatment Facility, holds NPDES permit LA0041751, which discharges to Bayou Mallett. EPA’s file records it issued December 17, 2020 and expiring December 31, 2025.

EUNICE CITY OF - WWTP, Eunice, Louisiana: Individual permit LA0041751, held by City of Eunice- Wastewater Treatment Facility; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued December 17, 2020, term to December 31, 2025; discharges to BAYOU MALLETT.

Nitrogen, ammonia total [as N]: 6 limits, 363 violations of any kind, 357 effluent exceedances, latest July 31, 2026, largest 5,977% over the limit.
Solids, total suspended: 3 limits, 225 violations of any kind, 219 effluent exceedances, latest July 31, 2026, largest 2,078% over the limit.
Coliform, fecal general: 2 limits, 129 violations of any kind, 125 effluent exceedances, latest July 31, 2026, largest 99,999% over the limit.
BOD, carbonaceous [5 day, 20 C]: 3 limits, 125 violations of any kind, 119 effluent exceedances, latest July 31, 2026, largest 470% over the limit.
Solids, total dissolved: 6 limits, 93 violations of any kind, 93 effluent exceedances, latest July 31, 2026, largest 298% over the limit.
Whole Effluent Toxicity [WET] - P. promelas: 2 limits, 88 violations of any kind, 88 effluent exceedances, latest July 31, 2026, largest 99,999% over the limit.
Whole Effluent Toxicity [WET] - C. dubia: 2 limits, 82 violations of any kind, 82 effluent exceedances, latest July 31, 2026, largest 99,999% over the limit.
Chlorine, total residual: 1 limit, 29 violations of any kind, 27 effluent exceedances, latest July 31, 2026, largest 26,567% over the limit.
Mercury, total [as Hg]: 4 limits, 22 violations of any kind, 20 effluent exceedances, latest March 31, 2026, largest 383% over the limit.
pH: 2 limits, 10 violations of any kind, 6 effluent exceedances, latest March 31, 2026.
Whole effluent toxicity: 0 limits, 48 violations of any kind, 2 effluent exceedances, latest March 31, 2005, largest 3% over the limit.
Copper, total [as Cu]: 8 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2025, largest 58% over the limit.
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas: 2 limits, 48 violations of any kind, 0 effluent exceedances.
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 48 violations of any kind, 0 effluent exceedances.
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 48 violations of any kind, 0 effluent exceedances.
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 48 violations of any kind, 0 effluent exceedances.
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas: 1 limit, 48 violations of any kind, 0 effluent exceedances.
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 46 violations of any kind, 0 effluent exceedances.
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 46 violations of any kind, 0 effluent exceedances.
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 46 violations of any kind, 0 effluent exceedances.
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 46 violations of any kind, 0 effluent exceedances.
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia: 1 limit, 40 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 3 limits, 0 violations of any kind, 0 effluent exceedances.

May 12, 2026: Under Review (State).
March 11, 2025: Monitoring Violations - Invalid/Unrepresentative Sample (ST6).
March 11, 2025: Management Practice Violations - Improper Operation and Maintenance (ST6).
March 11, 2025: Effluent Violations - Narrative Effluent Violation (ST6).
March 11, 2025: Failure to comply with recordkeeping requirements - industrial stormwater [40 CFR 122.41(j)] (ST6).
March 15, 2022: Management Practice Violations - Improper Operation and Maintenance (ST6).
March 15, 2022: Failure to properly conduct industrial stormwater inspections (ST6).
March 15, 2021: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).
June 1, 2020: Failure to properly install, initiate, or fully implement industrial stormwater controls (ST6).
June 1, 2020: Effluent Violations - Unapproved Bypass (ST6).
June 1, 2020: Reporting Violations - Failure to Notify (ST6).
June 1, 2020: WW SSO - Improper Operation and Maintenance (ST6).
June 19, 2018: Management Practice Violations - Improper Operation and Maintenance (ST6).
June 19, 2018: WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP (ST6).

Louisiana holds 357 Publicly owned treatment works coverages of this permit type in EPA’s file; 331 were issued before LA0041751.

Coverages issued nearest LA0041751

September 29, 2020: LADPSC - LOUISIANA STATE PENITENTIARY - ANGOLA, Angola, LA0051217, held by Louisiana Dept. of Public Safety and Corrections- Louisiana State Penitentiary
September 29, 2020: COVINGTON CITY OF - COVINGTON SEWERAGE TREATMENT FACILITY, Covington, LA0084336, held by City of Covington- Sewerage Treatment Facility
September 29, 2020: ROSELAND TOWN OF - WWTP, Roseland, LA0100790, held by ROSELAND, TOWN OF
September 29, 2020: LIVINGSTON PARISH SEWER DISTRICT- BUDDY ELLIS ROAD REGIONAL POTW, Denham Springs, LA0127442
December 17, 2020: COTTONPORT TOWN OF - WWTP, Cottonport, LA0040126, held by Town of Cottonport
December 17, 2020: GREENWOOD TOWN OF - STP, Greenwood, LA0093611, held by TOWN OF GREENWOOD
February 25, 2021: CARENCRO CITY OF - CARENCRO WASTEWATER TREATMENT PLANT, Carencro, LA0020150, held by City of Carencro - Post Road Wastewater Treatment Plant
February 25, 2021: BRUSLY TOWN OF, Brusly, LA0068241, held by Town of Brusly
February 25, 2021: OPELOUSAS CITY OF - SOUTH OPELOUSAS WWTP, Opelousas, LA0127469, held by CITY OF OPELOUSAS - SOUTH OPELOUSAS WWTP
December 8, 2022: EAST BATON ROUGE PARISH NORTH LANDFILL, Zachary, LA0086169, held by CITY OF BATON ROUGE/PARISH OF EBR

EUNICE CITY OF - WWTP among its neighbors

EPA’s permit file holds 3 discharge permits in the Bayou Mallet subwatershed (HUC 080802010305), LA0041751 among them. Its county holds 66, 5 of them major permits; LA0041751 is a major permit.

Other permits in the Bayou Mallet subwatershed (HUC 080802010305)

EUNICE DG, LLC - DOLLAR GENERAL #25265, Eunice: LAG536640, minor permit, permit term to November 30, 2027
EUNICE, CITY OF (ST LANDRY), Eunice: LAL041751, major permit, discharging to BAYOU MALLETT, permit term to December 31, 2025

Identity

Facility as filed	EUNICE CITY OF - WWTP
Permittee as filed	City of Eunice- Wastewater Treatment Facility
NPDES ID	LA0041751
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	December 17, 2020
Expiration date	December 31, 2025
Address	Eunice, LA 70535
Receiving water	BAYOU MALLETT
Receiving water impaired	303(D) Listed
Subwatershed	Bayou Mallet (HUC 080802010305)
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

25Pollutants on file
24Under a numeric limit
23With 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
Nitrogen, ammonia total [as N]	6	363	357	July 31, 2026	5,977% over the limit
Solids, total suspended	3	225	219	July 31, 2026	2,078% over the limit
Coliform, fecal general	2	129	125	July 31, 2026	99,999% over the limit
BOD, carbonaceous [5 day, 20 C]	3	125	119	July 31, 2026	470% over the limit
Solids, total dissolved	6	93	93	July 31, 2026	298% over the limit
Whole Effluent Toxicity [WET] - P. promelas	2	88	88	July 31, 2026	99,999% over the limit
Whole Effluent Toxicity [WET] - C. dubia	2	82	82	July 31, 2026	99,999% over the limit
Chlorine, total residual	1	29	27	July 31, 2026	26,567% over the limit
Mercury, total [as Hg]	4	22	20	March 31, 2026	383% over the limit
pH	2	10	6	March 31, 2026
Whole effluent toxicity	0	48	2	March 31, 2005	3% over the limit
Copper, total [as Cu]	8	1	1	September 30, 2025	58% over the limit
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas	2	48	0
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas	2	48	0
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas	2	48	0
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas	2	48	0
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas	1	48	0
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia	2	46	0
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia	2	46	0
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	2	46	0
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	2	46	0
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia	1	40	0
Flow, in conduit or thru treatment plant	2	4	0
Nitrogen, total [as N]	3	0	0
Phosphorus, total [as P]	3	0	0

Inspections, violations and enforcement

13Single-event violations

Date	What EPA recorded	Agency
March 11, 2025	Monitoring Violations - Invalid/Unrepresentative Sample	ST6
March 11, 2025	Management Practice Violations - Improper Operation and Maintenance	ST6
March 11, 2025	Effluent Violations - Narrative Effluent Violation	ST6
March 11, 2025	Failure to comply with recordkeeping requirements - industrial stormwater [40 CFR 122.41(j)]	ST6
March 15, 2022	Management Practice Violations - Improper Operation and Maintenance	ST6
March 15, 2022	Failure to properly conduct industrial stormwater inspections	ST6
March 15, 2021	Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)	ST6
June 1, 2020	Failure to properly install, initiate, or fully implement industrial stormwater controls	ST6
June 1, 2020	Effluent Violations - Unapproved Bypass	ST6
June 1, 2020	Reporting Violations - Failure to Notify	ST6
June 1, 2020	WW SSO - Improper Operation and Maintenance	ST6
June 19, 2018	Management Practice Violations - Improper Operation and Maintenance	ST6
June 19, 2018	WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES LA0041751.

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

Date	What EPA recorded	Agency
May 12, 2026	Under Review	State

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

This public-records page covers Clean Water Act discharge permit NPDES LA0041751 for EUNICE CITY OF - WWTP in Eunice, LA, held by City of Eunice- Wastewater Treatment Facility, which discharges to BAYOU MALLETT. The permit is administratively continued and classed as a Major Discharger, with 24 pollutants under a numeric limit and 12 pollutants with an effluent exceedance.