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Clean Water Act discharge permit · NPDES LAR05Q409

CMC CONSTRUCTION SERVICES, Baton Rouge, LA: NPDES LAR05Q409 discharge permit, effluent exceedances, inspections, penalties

CMC CONSTRUCTION SERVICES holds NPDES permit LAR05Q409. EPA’s file records it issued June 23, 2026 and expiring October 26, 2026. 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.

What the register holds for CMC CONSTRUCTION SERVICES: its NPDES ID, its permit type and status, its dates, its address in Baton Rouge, Louisiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES LAR05Q409.

Identity

Facility as filedCMC CONSTRUCTION SERVICES
Permittee as filedCMC CONSTRUCTION SERVICES
NPDES IDLAR05Q409
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 23, 2026
Expiration dateOctober 26, 2026
AddressBaton Rouge, LA 70808
Receiving water impaired303(D) Listed
SubwatershedWard Creek-Bayou Manchac (HUC 080702020803)
Other EPA IDs (FRS)RCRA handler LAR000004937; ICIS-AIR source LA0000002203300184

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES LAR05Q409.

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 LAR05Q409.

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, LAR05Q409.

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  • 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 LAR05Q409 there.

Nearby on the register

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

What this page shows

CMC CONSTRUCTION SERVICES holds one of 323 storm water construction permits in East Baton Rouge Parish, and 95.0% of those permits were issued earlier than this one. The permit sits within the Ward Creek-Bayou Manchac subwatershed, which contains 46 NPDES permits, this one included. The permit lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.