Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES LA0040177

ST. BERNARD PARISH - MUNSTER WWTP, Meraux, LA: NPDES LA0040177 discharge permit, effluent exceedances, inspections, penalties

ST. BERNARD PARISH - MUNSTER WWTP, held by St. Bernard Parish - Munster WWTP, holds NPDES permit LA0040177, which discharges to Mississippi. EPA’s file records it issued August 3, 2015 and expiring August 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedST. BERNARD PARISH - MUNSTER WWTP
Permittee as filedSt. Bernard Parish - Munster WWTP
NPDES IDLA0040177
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedAugust 3, 2015
Expiration dateAugust 31, 2020
AddressMeraux, LA 70000
Receiving waterMISSISSIPPI
SubwatershedMississippi River-Bonnet Carre Spillway (HUC 080901000101)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Coliform, fecal general28755July 31, 202341,950% over the limit
Solids, total suspended329543May 31, 2026671% over the limit
BOD, 5-day, 20 deg. C327321March 31, 201784% over the limit
Chlorine, total residual24610March 31, 202438% over the limit
pH2313March 31, 2017
Priority pollutants scan [yes/no]251December 31, 2018
Flow, in conduit or thru treatment plant21700
Phosphorus, total [as P]0540
Nitrogen, Kjeldahl, total [as N]0510
Mercury, total [as Hg]0170
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas2140
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex2120
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex2120
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas2120
Coef Of Var Static Renewal 48Hr Acute D. pulex1120
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas1120
Nitrogen, total [as N]030
Whole effluent toxicity - retest #1400
Whole effluent toxicity - retest #2400
Whole Effluent Toxicity - Retest #3400

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

DateWhat EPA recordedAgency
July 26, 2022WW SSO - Discharge to WatersST6
July 26, 2022WW SSO - Improper Operation and MaintenanceST6
March 30, 2022Management Practice Violations - Improper Operation and MaintenanceST6
December 31, 2021Permit Violations - Violation Specified in CommentST6
September 30, 2021Reporting Violations - Improper/ Incorrect ReportingST6
September 12, 2021Effluent Violations - Numeric effluent violationST6
April 12, 2021WW SSO - Discharge to WatersST6
April 12, 2021WW SSO - Improper Operation and MaintenanceST6
August 7, 2020WW SSO - Improper Operation and MaintenanceST6
August 7, 2020WW SSO - Discharge to WatersST6
June 30, 2020Reporting Violations - Improper/ Incorrect ReportingST6
June 16, 2020Management Practice Violations - Improper Operation and MaintenanceST6
June 16, 2020Management Practice Violations - Failure to Maintain RecordsST6
June 16, 2020Failure to comply with recordkeeping requirements - industrial stormwater [40 CFR 122.41(j)]ST6
June 16, 2020Monitoring Violations - Failure to Monitor for Non-Toxicity RequirementsST6
March 31, 2020Reporting Violations - Improper/ Incorrect ReportingST6
December 31, 2019Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
November 1, 2018WW SSO - Improper Operation and MaintenanceST6
August 19, 2018WW SSO - Discharge to WatersST6

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, LA0040177.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 LA0040177 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit LA0040177, held by St. Bernard Parish - Munster WWTP in Meraux, LA, which discharges to the Mississippi and sits in watershed HUC 080901000101. The permit is listed as administratively continued and a Major discharger, with 20 pollutants on file, 16 under a numeric limit, and 6 with an effluent exceedance.