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Clean Water Act discharge permit · NPDES LAR05Q357

EXXONMOBIL OIL CORPORATION - ANCHORAGE NGL TERMINAL, Port Allen, LA: NPDES LAR05Q357 discharge permit, effluent exceedances, inspections, penalties

EXXONMOBIL OIL CORPORATION - ANCHORAGE NGL TERMINAL holds NPDES permit LAR05Q357. EPA’s file records it issued April 11, 2025 and expiring October 26, 2026.

EXXONMOBIL OIL CORPORATION - ANCHORAGE NGL TERMINAL, Port Allen, Louisiana: Coverage under a general permit LAR05Q357; Industrial stormwater; Effective; issued April 11, 2025, term to October 26, 2026.

Louisiana holds 216 Industrial stormwater coverages of this permit type in EPA’s file; 165 were issued before LAR05Q357.

Coverages issued nearest LAR05Q357

EXXONMOBIL OIL CORPORATION - ANCHORAGE NGL TERMINAL among its neighbors

EPA’s permit file holds 37 discharge permits in the Gulf Intracoastal Waterway-Choctaw Basin Drainage Canal subwatershed (HUC 080703000206), LAR05Q357 among them. Its county holds 77, 4 of them major permits; LAR05Q357 is a minor permit.

Other permits in the Gulf Intracoastal Waterway-Choctaw Basin Drainage Canal subwatershed (HUC 080703000206)

What the register holds for EXXONMOBIL OIL CORPORATION - ANCHORAGE NGL TERMINAL: its NPDES ID, its permit type and status, its dates, its address in Port Allen, Louisiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES LAR05Q357.

Identity

Facility as filedEXXONMOBIL OIL CORPORATION - ANCHORAGE NGL TERMINAL
Permittee as filedEXXONMOBIL OIL CORPORATION - ANCHORAGE NGL TERMINAL
NPDES IDLAR05Q357
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedApril 11, 2025
Expiration dateOctober 26, 2026
AddressPort Allen, LA 70000
SubwatershedGulf Intracoastal Waterway-Choctaw Basin Drainage Canal (HUC 080703000206)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES LAR05Q357.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES LAR05Q357.

Inspections

EPA’s inspection file holds no inspection for NPDES LAR05Q357.

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 LAR05Q357.

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, LAR05Q357.

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Nearby on the register

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

What this page shows

The EXXONMOBIL OIL CORPORATION - ANCHORAGE NGL TERMINAL permit is one of 8 storm water industrial permits in West Baton Rouge Parish, and 87.5% of those permits carry an earlier issue date than this one. Within the Gulf Intracoastal Waterway-Choctaw Basin Drainage Canal subwatershed, the permit sits among 37 NPDES permits, this one included. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, while 25.0% of the parish's storm water industrial permits have a violation on file.