Clean Water Act discharge permit · NPDES LA0099236
AIR LIQUIDE LARGE INDUSTRIES U.S. L. P. - ADDIS ASU, Addis, LA: NPDES LA0099236 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
AIR LIQUIDE LARGE INDUSTRIES U.S. L. P. - ADDIS ASU, held by AIR LIQUIDE LARGE IND., US LP, holds NPDES permit LA0099236, which discharges to Dow Chem. Plaquimine Plant Canal Mi. EPA’s file records it issued April 25, 2016 and expiring May 31, 2021. 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. L. P. - ADDIS ASU |
|---|---|
| Permittee as filed | AIR LIQUIDE LARGE IND., US LP |
| NPDES ID | LA0099236 |
| 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 | April 25, 2016 |
| Expiration date | May 31, 2021 |
| Address | Addis, LA 70710 |
| Receiving water | DOW CHEM. PLAQUIMINE PLANT CANAL MI |
| Subwatershed | Bayou Bourbeaux (HUC 080703000207) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 23 | 11 | March 31, 2021 | 745% over the limit |
| Oxygen demand, chem. [high level] [COD] | 2 | 27 | 4 | September 30, 2021 | 67% over the limit |
| Oil & Grease | 5 | 42 | 2 | July 31, 2022 | 487% over the limit |
| Coliform, fecal general | 2 | 6 | 2 | June 30, 2026 | 400% over the limit |
| Solids, total suspended | 3 | 16 | 1 | June 30, 2026 | 20% over the limit |
| Flow, in conduit or thru treatment plant | 10 | 62 | 0 | ||
| pH | 6 | 36 | 0 | ||
| Carbon, tot organic [TOC] | 2 | 8 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 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 LA0099236.
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
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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 LA0099236 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.