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Clean Water Act discharge permit · NPDES LAR10Q467

ARCOSA AGGRE GATES GULF COAST LLC - PLANT 10 EASTERLY, Denham Springs, LA: NPDES LAR10Q467 discharge permit, effluent exceedances, inspections, penalties

ARCOSA AGGRE GATES GULF COAST LLC - PLANT 10 EASTERLY, held by ARCOSA AGGREGATES GULF COAST LLC - PLANT 10 EASTERLY, holds NPDES permit LAR10Q467. EPA’s file records it issued August 8, 2025 and expiring September 30, 2029.

ARCOSA AGGRE GATES GULF COAST LLC - PLANT 10 EASTERLY, Denham Springs, Louisiana: Coverage under a general permit LAR10Q467, held by ARCOSA AGGREGATES GULF COAST LLC - PLANT 10 EASTERLY; Construction stormwater; Effective; issued August 8, 2025, term to September 30, 2029.

  • August 20, 2025: Failure to submit required application or NOI regarding construction stormwater discharges (ST6).
  • August 20, 2025: Discharge from a construction stormwater outfall to waters of the U.S. without NPDES permit coverage (ST6).

Louisiana holds 1,491 Construction stormwater coverages of this permit type in EPA’s file; 1,014 were issued before LAR10Q467.

Coverages issued nearest LAR10Q467

ARCOSA AGGRE GATES GULF COAST LLC - PLANT 10 EASTERLY among its neighbors

Its county holds 141, 5 of them major permits; LAR10Q467 is a minor permit.

Other permits in the county

Identity

Facility as filedARCOSA AGGRE GATES GULF COAST LLC - PLANT 10 EASTERLY
Permittee as filedARCOSA AGGREGATES GULF COAST LLC - PLANT 10 EASTERLY
NPDES IDLAR10Q467
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 8, 2025
Expiration dateSeptember 30, 2029
AddressDenham Springs, LA 70726

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES LAR10Q467.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
August 20, 2025Failure to submit required application or NOI regarding construction stormwater dischargesST6
August 20, 2025Discharge from a construction stormwater outfall to waters of the U.S. without NPDES permit coverageST6

Inspections

EPA’s inspection file holds no inspection for NPDES LAR10Q467.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES LAR10Q467.

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, LAR10Q467.

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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 NPDES permit LAR10Q467, held by ARCOSA AGGREGATES GULF COAST LLC - PLANT 10 EASTERLY at Denham Springs, LA, with an effective status and a Minor discharger class. The page lists 0 pollutants on file, 0 under a numeric limit, and 0 with an effluent exceedance.