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Clean Water Act discharge permit · NPDES LA0105538

ENTERPRISE PRODUCTS OPERATING LLC - BATON ROUGE FRACTIONATOR & PROPYLENE CONCENT, Port Allen, LA: NPDES LA0105538 discharge permit, effluent exceedances, inspections, penalties

ENTERPRISE PRODUCTS OPERATING LLC - BATON ROUGE FRACTIONATOR & PROPYLENE CONCENT, held by ENTERPRISE PRODUCTS OPERATING, LLC, holds NPDES permit LA0105538, which discharges to Intracoastal Waterway. EPA’s file records it issued June 19, 2020 and expiring June 30, 2025. 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 filedENTERPRISE PRODUCTS OPERATING LLC - BATON ROUGE FRACTIONATOR & PROPYLENE CONCENT
Permittee as filedENTERPRISE PRODUCTS OPERATING, LLC
NPDES IDLA0105538
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 19, 2020
Expiration dateJune 30, 2025
AddressPort Allen, LA 70767
Receiving waterINTRACOASTAL WATERWAY
SubwatershedManchac Point (HUC 080701000104)

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
BOD, 5-day, 20 deg. C293May 31, 2024175% over the limit
pH633December 31, 2023
Solids, total dissolved222September 30, 2025188% over the limit
Solids, total suspended471April 30, 20194% over the limit
Oil and grease121December 31, 201639% over the limit
Chlorine, total residual211September 30, 2020225% over the limit
Carbon, tot organic [TOC]3490
Flow, in conduit or thru treatment plant870
Temperature, water deg. fahrenheit200
Oil & Grease200
Lead, total [as Pb]100
Benzene100
BTEX100

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0105538.

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, LA0105538.

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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 LA0105538 there.

Nearby on the register

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