Clean Water Act discharge permit · NPDES LA0063037

DUBACH TOWN OF - MUNICIPAL WWTF, Dubach, LA: NPDES LA0063037 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
5Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

DUBACH TOWN OF - MUNICIPAL WWTF, held by TOWN OF DUBACH, holds NPDES permit LA0063037, which discharges to Seg 0806 Bird Creek. EPA’s file records it issued August 20, 2019 and expiring August 31, 2024.

DUBACH TOWN OF - MUNICIPAL WWTF, Dubach, Louisiana: Individual permit LA0063037, held by TOWN OF DUBACH; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued August 20, 2019, term to August 31, 2024; discharges to SEG 0806 BIRD CREEK.

BOD, carbonaceous [5 day, 20 C]: 6 limits, 76 violations of any kind, 40 effluent exceedances, latest November 30, 2024, largest 14,700% over the limit.
Nitrogen, ammonia total [as N]: 6 limits, 53 violations of any kind, 17 effluent exceedances, latest October 31, 2021, largest 97% over the limit.
Coliform, fecal general: 4 limits, 35 violations of any kind, 11 effluent exceedances, latest December 31, 2025, largest 99,999% over the limit.
Solids, total suspended: 6 limits, 41 violations of any kind, 5 effluent exceedances, latest December 31, 2019, largest 47% over the limit.
pH: 4 limits, 26 violations of any kind, 2 effluent exceedances, latest May 31, 2024.
Flow, in conduit or thru treatment plant: 4 limits, 22 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 3 limits, 9 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 3 limits, 9 violations of any kind, 0 effluent exceedances.
Chlorine, total residual: 0 limits, 2 violations of any kind, 0 effluent exceedances.

August 20, 2026: Phone Call/ EMAIL (State).
December 31, 2021: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).
October 14, 2021: Management Practice Violations - Improper Operation and Maintenance (ST6).
September 30, 2021: Reporting Violations - Improper/ Incorrect Reporting (ST6).
August 31, 2021: Monitoring Violations - Frequency of Sampling Violation (ST6).
June 30, 2021: Reporting Violations - Improper/ Incorrect Reporting (ST6).
October 8, 2020: Management Practice Violations - Improper Operation and Maintenance (ST6).
March 31, 2018: Effluent Violations - Numeric effluent violation (ST6).
January 31, 2018: Effluent Violations - Numeric effluent violation (ST6).
December 31, 2017: Effluent Violations - Numeric effluent violation (ST6).
December 31, 2017: Reporting Violations - Late Submittal of DMRs (ST6).
December 31, 2017: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).

Louisiana holds 357 Publicly owned treatment works coverages of this permit type in EPA’s file; 281 were issued before LA0063037.

Coverages issued nearest LA0063037

June 14, 2019: BOYCE TOWN OF - BOYCE WWTP, Boyce, LA0032344, held by Town of Boyce- Wastewater Treatment Facility
June 14, 2019: TOWN OF GRAMERCY - AERATED POND, Gramercy, LA0046876, held by TOWN OF GRAMERCY
June 21, 2019: PLAQUEMINES PARISH GOVERNMENT - BELLE CHASSE STP, Belle Chasse, LA0044032, held by Plaquemines Parish Government- Belle Chasse WWTP
August 20, 2019: BERNICE TOWN OF - STP, Bernice, LA0034568, held by BERNICE, TOWN OF (PWA)
August 20, 2019: MOORINGSPORT VILLAGE OF - VILLAGE OF MOORINGSPORT WATER & SEWER SYSTEM, Mooringsport, LA0044652, held by MOORINGSPORT, TOWN OF
August 20, 2019: ST JOHN THE BAPTIST PARISH - CENTRAL WWTP, Edgard, LA0080454, held by ST JOHN THE BAPTIST PARISH
August 20, 2019: ALBANY TOWN OF - ALBANY WASTEWATER TREATMENT WORKS, Albany, LA0083810, held by ALBANY, VILLAGE OF
August 20, 2019: ST TAMMANY PARISH GOVT DEPT OF UTILITIES - WADSWORTH WWTP, Lacombe, LA0124214, held by ST. TAMMANY PARISH GOVT -TAMMANY UTILITIES
August 26, 2019: ST TAMMANY PARISH GOVERNMENT DEPARTMENT OF UTILITIES- GOODBEE REGIONAL WWTP, Covington, LA0123269, held by ST. TAMMANY PARISH GOVERNMENT, Department of Utilities
August 29, 2019: SEWERAGE AND WATER BOARD OF NEW ORLEANS- WEST BANK STP, New Orleans, LA0038105, held by Sewerage and Water Board of New Orleans- West Bank STP

DUBACH TOWN OF - MUNICIPAL WWTF among its neighbors

EPA’s permit file holds 1 discharge permits in the Smith Creek-Bayou D'arbonne subwatershed (HUC 080402060708), LA0063037 among them. Its county holds 33, 3 of them major permits; LA0063037 is a minor permit.

Identity

Facility as filed	DUBACH TOWN OF - MUNICIPAL WWTF
Permittee as filed	TOWN OF DUBACH
NPDES ID	LA0063037
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	August 20, 2019
Expiration date	August 31, 2024
Address	Dubach, LA 71235
Receiving water	SEG 0806 BIRD CREEK
Receiving water impaired	303(D) Listed
Subwatershed	Smith Creek-Bayou D'arbonne (HUC 080402060708)

Effluent limits and exceedances

9Pollutants on file
8Under a numeric limit
9With a violation of any kind
5With 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, carbonaceous [5 day, 20 C]	6	76	40	November 30, 2024	14,700% over the limit
Nitrogen, ammonia total [as N]	6	53	17	October 31, 2021	97% over the limit
Coliform, fecal general	4	35	11	December 31, 2025	99,999% over the limit
Solids, total suspended	6	41	5	December 31, 2019	47% over the limit
pH	4	26	2	May 31, 2024
Flow, in conduit or thru treatment plant	4	22	0
Nitrogen, total [as N]	3	9	0
Phosphorus, total [as P]	3	9	0
Chlorine, total residual	0	2	0

Inspections, violations and enforcement

11Single-event violations

Date	What EPA recorded	Agency
December 31, 2021	Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)	ST6
October 14, 2021	Management Practice Violations - Improper Operation and Maintenance	ST6
September 30, 2021	Reporting Violations - Improper/ Incorrect Reporting	ST6
August 31, 2021	Monitoring Violations - Frequency of Sampling Violation	ST6
June 30, 2021	Reporting Violations - Improper/ Incorrect Reporting	ST6
October 8, 2020	Management Practice Violations - Improper Operation and Maintenance	ST6
March 31, 2018	Effluent Violations - Numeric effluent violation	ST6
January 31, 2018	Effluent Violations - Numeric effluent violation	ST6
December 31, 2017	Effluent Violations - Numeric effluent violation	ST6
December 31, 2017	Reporting Violations - Late Submittal of DMRs	ST6
December 31, 2017	Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES LA0063037.

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
August 20, 2026	Phone Call/ EMAIL	State

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

This public-records page covers the NPDES LA0063037 discharge permit held by the Town of Dubach for its municipal wastewater treatment facility in Dubach, LA, which discharges to Seg 0806 Bird Creek and is listed as administratively continued. The page lists a discharger class of 8, 5 pollutants under a numeric limit, and 5 pollutants with an effluent exceedance.