Clean Water Act discharge permit · NPDES LA0109461

PEARL RIVER NAVIGATION LLC (PRN) -YARD NO.1, Slidell, LA: NPDES LA0109461 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
3Pollutants with an effluent exceedance

PEARL RIVER NAVIGATION LLC (PRN) -YARD NO.1, held by PEARL RIVER NAVIGATION LLC, holds NPDES permit LA0109461, which discharges to Bayou Bonfouca. EPA’s file records it issued October 27, 2017 and expiring November 30, 2022. 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	PEARL RIVER NAVIGATION LLC (PRN) -YARD NO.1
Permittee as filed	PEARL RIVER NAVIGATION LLC
NPDES ID	LA0109461
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	October 27, 2017
Expiration date	November 30, 2022
Address	Slidell, LA 70459
Receiving water	BAYOU BONFOUCA
Receiving water impaired	303(D) Listed
Subwatershed	Bayou Vincent-Bayou Bonfouca (HUC 080902010306)
SIC	3731 – Ship Building And Repairing
Other EPA IDs (FRS)	RCRA handler LA0000056853; ICIS-AIR source LA0000002210300065

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

10Pollutants on file
10Under a numeric limit
10With a violation of any kind
3With 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
Oil and grease	4	112	3	August 31, 2024	40% over the limit
pH	12	241	1	August 31, 2017
Carbon, tot organic [TOC]	2	55	1	June 30, 2018	14% over the limit
Flow, in conduit or thru treatment plant	12	240	0
Oxygen demand, chem. [high level] [COD]	2	55	0
BOD, 5-day, 20 deg. C	4	22	0
Solids, total suspended	4	22	0
Coliform, fecal general	4	22	0
Nitrogen, total [as N]	4	20	0
Phosphorus, total [as P]	4	20	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 LA0109461.

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, LA0109461.

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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 LA0109461 there.

Nearby on the register

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

This EPA public-records page covers Clean Water Act discharge permit NPDES LA0109461, held by PEARL RIVER NAVIGATION LLC for PEARL RIVER NAVIGATION LLC (PRN) -YARD NO.1 in Slidell, LA, which discharges to BAYOU BONFOUCA in subwatershed Bayou Vincent-Bayou Bonfouca (HUC 080902010306). The permit is listed as administratively continued, with 10 pollutants under a numeric limit and 3 pollutants with an effluent exceedance, and it was issued October 27, 2017 and expired November 30, 2022.