Clean Water Act discharge permit · NPDES LA0046485
WESTWEGO GRAIN ELEVATOR, Westwego, LA: NPDES LA0046485 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
WESTWEGO GRAIN ELEVATOR, held by CARGILL, INC., holds NPDES permit LA0046485, which discharges to Miss River/ Bayou Signette. EPA’s file records it issued December 27, 2018 and expiring January 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WESTWEGO GRAIN ELEVATOR |
|---|---|
| Permittee as filed | CARGILL, INC. |
| NPDES ID | LA0046485 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 27, 2018 |
| Expiration date | January 31, 2024 |
| Address | Westwego, LA 70094 |
| Receiving water | MISS RIVER/ BAYOU SIGNETTE |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mississippi River-Bonnet Carre Spillway (HUC 080901000101) |
| SIC | 5153 – Grain And Field Beans |
| Other EPA IDs (FRS) | RCRA handler LAD985223569; ICIS-AIR source LA0000002205100030 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 8Pollutants on file
- 7Under a numeric limit
- 8With a violation of any kind
- 6With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Carbon, tot organic [TOC] | 2 | 45 | 30 | March 31, 2025 | 2,500% over the limit |
| Oil & Grease | 2 | 9 | 5 | December 31, 2025 | 120% over the limit |
| Coliform, fecal general | 8 | 28 | 4 | June 30, 2020 | 99,999% over the limit |
| pH | 12 | 55 | 1 | December 31, 2020 | |
| BOD, 5-day, 20 deg. C | 8 | 25 | 1 | June 30, 2020 | 20% over the limit |
| Solids, total suspended | 8 | 25 | 1 | June 30, 2022 | 27% over the limit |
| Flow, in conduit or thru treatment plant | 12 | 54 | 0 | ||
| Oil and grease | 0 | 11 | 0 |
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0046485.
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, LA0046485.
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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 LA0046485 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.