Clean Water Act discharge permit · NPDES LA0050695
PLAQUEMINE FACILITY, Plaquemine, LA: NPDES LA0050695 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
PLAQUEMINE FACILITY, held by AIR LIQUIDE LARGE INDUSTRIES U.S. LP, holds NPDES permit LA0050695, which discharges to Bayou La Butte. EPA’s file records it issued November 16, 2011 and expiring December 31, 2016. 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 filed | PLAQUEMINE FACILITY |
|---|---|
| Permittee as filed | AIR LIQUIDE LARGE INDUSTRIES U.S. LP |
| NPDES ID | LA0050695 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 16, 2011 |
| Expiration date | December 31, 2016 |
| Address | Plaquemine, LA 70764 |
| Receiving water | BAYOU LA BUTTE |
| Subwatershed | Bayou La Butte-Logging Canal (HUC 080703000401) |
| Other EPA IDs (FRS) | RCRA handler LAD000632893; ICIS-AIR source LA0000002204700037 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 7Pollutants on file
- 0Under a numeric limit
- 7With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Oil & Grease | 0 | 28 | 14 | December 31, 2025 | 261% over the limit |
| Sulfate, total [as SO4] | 0 | 6 | 6 | September 30, 2025 | 196% over the limit |
| Solids, total suspended | 0 | 4 | 4 | December 31, 2018 | 1,560% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 3 | 3 | December 31, 2018 | 353% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 8 | 0 | ||
| pH | 0 | 4 | 0 | ||
| Carbon, tot organic [TOC] | 0 | 4 | 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 LA0050695.
Inspections
EPA’s inspection file holds no inspection for NPDES LA0050695.
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
| Date | What EPA recorded | Agency |
|---|---|---|
| February 9, 2026 | Phone Call/ EMAIL | State |
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, LA0050695.
Start the watch
- 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 LA0050695 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.