Clean Water Act discharge permit · NPDES LA0122114
MALLINCKRODT MANUFACTURING LLC, Port Allen, LA: NPDES LA0122114 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 39Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
MALLINCKRODT MANUFACTURING LLC holds NPDES permit LA0122114. EPA’s file records it issued October 27, 2017 and expiring November 30, 2022. 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 | MALLINCKRODT MANUFACTURING LLC |
|---|---|
| Permittee as filed | MALLINCKRODT MANUFACTURING LLC |
| NPDES ID | LA0122114 |
| 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 | October 27, 2017 |
| Expiration date | November 30, 2022 |
| Address | Port Allen, LA 70767 |
| Subwatershed | Gulf Intracoastal Waterway-Choctaw Basin Drainage Canal (HUC 080703000206) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 40Pollutants on file
- 39Under a numeric limit
- 39With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Phenol | 2 | 11 | 5 | June 30, 2024 | 1,050% over the limit |
| Acetonitrile | 2 | 10 | 2 | December 31, 2024 | 300% over the limit |
| Dimethyl sulfoxide, total | 2 | 10 | 2 | December 31, 2024 | 119% over the limit |
| N-Hexane | 2 | 9 | 1 | September 30, 2024 | 800% over the limit |
| n-Heptane | 2 | 9 | 1 | September 30, 2024 | 100% over the limit |
| Xylene [mix of m+o+p] | 0 | 9 | 1 | September 30, 2024 | 233% over the limit |
| Isopropanol | 2 | 7 | 1 | December 31, 2014 | 44% over the limit |
| Acetone | 2 | 7 | 1 | December 31, 2017 | 43% over the limit |
| pH | 8 | 30 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 30 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 20 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 4 | 20 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 20 | 0 | ||
| Solids, total suspended | 4 | 18 | 0 | ||
| 2-Methoxyethanol | 2 | 8 | 0 | ||
| Methyl formate | 2 | 8 | 0 | ||
| Ethanol | 2 | 8 | 0 | ||
| Diethylamine | 2 | 8 | 0 | ||
| Triethylamine | 2 | 8 | 0 | ||
| Methanol, total | 2 | 8 | 0 | ||
| Cyanide, total [as CN] | 2 | 6 | 0 | ||
| 1,2-Dichloroethane | 2 | 6 | 0 | ||
| Chloroform | 2 | 6 | 0 | ||
| Toluene | 2 | 6 | 0 | ||
| Benzene | 2 | 6 | 0 | ||
| Chlorobenzene | 2 | 6 | 0 | ||
| Methylene chloride | 2 | 6 | 0 | ||
| 1,2-Dichlorobenzene | 2 | 6 | 0 | ||
| Isopropyl acetate | 2 | 6 | 0 | ||
| Isobutyraldehyde | 2 | 6 | 0 | ||
| n-Amyl acetate | 2 | 6 | 0 | ||
| Amyl alcohol | 2 | 6 | 0 | ||
| Isopropyl ether | 2 | 6 | 0 | ||
| n-Butyl acetate | 2 | 6 | 0 | ||
| Ethyl acetate | 2 | 6 | 0 | ||
| Methyl isobutyl ketone | 2 | 6 | 0 | ||
| Tetrahydrofuran | 2 | 6 | 0 | ||
| Oil & Grease | 2 | 5 | 0 | ||
| Carbon, tot organic [TOC] | 2 | 5 | 0 | ||
| Xylenes [total], dry weight | 2 | 0 | 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 LA0122114.
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 LA0122114 there.
Nearby on the register
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- Every permit record in Port Allen, A to Z
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- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.