Clean Water Act discharge permit · NPDES LA0051764
AIR LIQUIDE LARGE INDUSTRIES U.S. LP, Norco, LA: NPDES LA0051764 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
AIR LIQUIDE LARGE INDUSTRIES U.S. LP, held by AIR LIQUIDE LARGE IND U.S. LP, holds NPDES permit LA0051764, which discharges to 0417. EPA’s file records it issued July 24, 2014 and expiring August 31, 2019. 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 | AIR LIQUIDE LARGE INDUSTRIES U.S. LP |
|---|---|
| Permittee as filed | AIR LIQUIDE LARGE IND U.S. LP |
| NPDES ID | LA0051764 |
| 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 | July 24, 2014 |
| Expiration date | August 31, 2019 |
| Address | Norco, LA 70079 |
| Receiving water | 0417 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bayou La Branche-Frontal Lake Pontchartrain (HUC 080902030101) |
| Other EPA IDs (FRS) | RCRA handler LAD094925351; ICIS-AIR source LA0000002208900029 |
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
- 6Under a numeric limit
- 7With a violation of any kind
- 2With 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 | 16 | 4 | July 31, 2022 | 433% over the limit |
| Chlorine, total residual | 1 | 7 | 4 | May 31, 2021 | 70% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 41 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 20 | 0 | ||
| pH | 6 | 10 | 0 | ||
| Oil and grease | 4 | 8 | 0 | ||
| Carbon, tot organic [TOC] | 3 | 5 | 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 LA0051764.
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, LA0051764.
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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 LA0051764 there.
Nearby on the register
- Discharge permits in Norco
- Every permit record in Norco, A to Z
- Discharge permits in Louisiana
- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.