Clean Water Act discharge permit · NPDES LA0020656

PLAQUEMINE, CITY OF -NORTH WASTEWATER TREATMENT PLANT, Plaquemine, LA: NPDES LA0020656 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
4Pollutants with an effluent exceedance

PLAQUEMINE, CITY OF -NORTH WASTEWATER TREATMENT PLANT, held by City of Plaquemine - North Wastewater Treatment Plant, holds NPDES permit LA0020656, which discharges to Seg 0703 Lower Mississippi R/B. EPA’s file records it issued March 29, 2018 and expiring April 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	PLAQUEMINE, CITY OF -NORTH WASTEWATER TREATMENT PLANT
Permittee as filed	City of Plaquemine - North Wastewater Treatment Plant
NPDES ID	LA0020656
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	March 29, 2018
Expiration date	April 30, 2023
Address	Plaquemine, LA 70765
Receiving water	SEG 0703 LOWER MISSISSIPPI R/B
Subwatershed	Manchac Point (HUC 080701000104)
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

7Pollutants on file
7Under a numeric limit
7With 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
Solids, total suspended	6	64	13	January 31, 2014	154% over the limit
BOD, 5-day, 20 deg. C	6	57	6	November 30, 2025	356% over the limit
Coliform, fecal general	4	38	6	January 31, 2013	4,706% over the limit
pH	4	38	4	December 31, 2009
Flow, in conduit or thru treatment plant	4	33	0
Nitrogen, total [as N]	6	9	0
Phosphorus, total [as P]	6	9	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 LA0020656.

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

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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 LA0020656 there.

Nearby on the register

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

This public-records page covers the NPDES LA0020656 Clean Water Act discharge permit held by City of Plaquemine - North Wastewater Treatment Plant in Plaquemine, LA, which discharges to Seg 0703 Lower Mississippi R/B within the Manchac Point subwatershed (HUC 080701000104). The permit is listed as administratively continued, with 7 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, and it is classed as a minor discharger. The file shows issuance on March 29, 2018 and expiration on April 30, 2023, as of October 14, 2026.