Clean Water Act discharge permit · NPDES LA0041262

GRETNA, CITY OF- WASTEWATER TREATMENT PLANT, Gretna, LA: NPDES LA0041262 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
17Pollutants under a numeric limit
4Pollutants with an effluent exceedance

GRETNA, CITY OF- WASTEWATER TREATMENT PLANT, held by City of Gretna- Wastewater Treatment Plant, holds NPDES permit LA0041262, which discharges to Mississippi River. EPA’s file records it issued June 15, 2018 and expiring June 30, 2023. 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	GRETNA, CITY OF- WASTEWATER TREATMENT PLANT
Permittee as filed	City of Gretna- Wastewater Treatment Plant
NPDES ID	LA0041262
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	June 15, 2018
Expiration date	June 30, 2023
Address	Gretna, LA 70053
Receiving water	MISSISSIPPI RIVER
Subwatershed	Mississippi River-Bonnet Carre Spillway (HUC 080901000101)
SIC	4952 – Sewerage Systems
Other EPA IDs (FRS)	ICIS-AIR source LA0000002205100347

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

18Pollutants on file
17Under a numeric limit
15With 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
BOD, 5-day, 20 deg. C	3	48	42	June 30, 2013	279% over the limit
Solids, total suspended	3	47	41	June 30, 2025	223% over the limit
Coliform, fecal general	2	38	35	September 30, 2025	99,999% over the limit
pH	2	12	8	September 30, 2023
Flow, in conduit or thru treatment plant	2	7	0
Phosphorus, total [as P]	3	6	0
Nitrogen, total [as N]	3	3	0
Nitrogen, Kjeldahl, total [as N]	0	3	0
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	2	2	0
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	2	2	0
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	2	2	0
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	2	2	0
Priority pollutants scan [yes/no]	1	1	0
Coef Of Var Static Renewal 48Hr Acute D. pulex	1	1	0
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas	1	1	0
Whole effluent toxicity - retest #1	4	0	0
Whole effluent toxicity - retest #2	4	0	0
Whole Effluent Toxicity - Retest #3	4	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 LA0041262.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, LA0041262.

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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 LA0041262 there.

Nearby on the register

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

This public-records page covers NPDES permit LA0041262, held by City of Gretna- Wastewater Treatment Plant for the GRETNA, CITY OF- WASTEWATER TREATMENT PLANT in Gretna, LA, which discharges to the Mississippi River in the Mississippi River-Bonnet Carre Spillway watershed (HUC 080901000101). The page lists a Major Discharger class, 17 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance, with the permit shown as administratively continued after its June 30, 2023 expiration.