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Clean Water Act discharge permit · NPDES LA0002909

CEMUS LLC, Baton Rouge, LA: NPDES LA0002909 discharge permit, effluent exceedances, inspections, penalties

CEMUS LLC, held by CEMUS, LLC - CEMUS FACILITY, holds NPDES permit LA0002909, which discharges to Miss. River & Monte Sano Bayou. EPA’s file records it issued September 22, 2015 and expiring October 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 filedCEMUS LLC
Permittee as filedCEMUS, LLC - CEMUS FACILITY
NPDES IDLA0002909
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 22, 2015
Expiration dateOctober 31, 2020
AddressBaton Rouge, LA 70805
Receiving waterMISS. RIVER & MONTE SANO BAYOU
Receiving water impaired303(D) Listed
SubwatershedDevils Swamp-Bayou Baton Rouge (HUC 080702010402)
Other EPA IDs (FRS)RCRA handler LAD008187692

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
pH220
Flow, in conduit or thru treatment plant220
Aluminum, total [as Al]020
Carbon, tot organic [TOC]110
Oil and grease110

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES LA0002909.

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 LA0002909.

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.

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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 LA0002909 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 discharge permit NPDES LA0002909, held by CEMUS LLC in Baton Rouge, LA, with a status of administratively continued and a discharger class of Minor. The listed figures are 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit issued September 22, 2015 and expiring October 31, 2020.