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Clean Water Act discharge permit · NPDES LA0125431

UOP LLC - UOP SHREVEPORT PLANT, Shreveport, LA: NPDES LA0125431 discharge permit, effluent exceedances, inspections, penalties

UOP LLC - UOP SHREVEPORT PLANT, held by UOP, LLC, holds NPDES permit LA0125431. EPA’s file records it issued September 24, 2018 and expiring October 31, 2023. 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 filedUOP LLC - UOP SHREVEPORT PLANT
Permittee as filedUOP, LLC
NPDES IDLA0125431
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
IssuedSeptember 24, 2018
Expiration dateOctober 31, 2023
AddressShreveport, LA 71107
Receiving water impaired303(D) Listed
SubwatershedTwelvemile Bayou Outlet (HUC 111403040303)

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
pH10455February 29, 2024
Carbon, tot organic [TOC]5211November 30, 202141% over the limit
Oil and grease5211December 31, 202124% over the limit
Nitrogen, ammonia total [as N]8360
Aluminum, total [as Al]8360
Iron, total [as Fe]8360
Flow, in conduit or thru treatment plant10280
Chlorine, total residual4210
Temperature, water deg. fahrenheit4180

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 LA0125431.

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, LA0125431.

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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 LA0125431 there.

Nearby on the register

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