Mallinckrodt Manufacturing LLC — NPDES permit LA0122114: limits, due date and EPA's record

Pharmaceutical Preparations, Port Allen, Louisiana. NPDES permit LA0122114, in force until Oct 14, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (92)

Parameter	Statistic	Limit	Months	Outfall
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
Oil & Grease	daily maximum	≤ 15 mg/L	all year	001
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (gal/d)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (gal/d)	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous maximum	≤ 9 SU	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (gal/d)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (gal/d)	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous maximum	≤ 9 SU	all year	003
Oil & Grease	daily maximum	≤ 15 mg/L	all year	003
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (gal/d)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (gal/d)	all year	003
BOD, 5-day, 20 deg. C	monthly average	≤ 111 mg/L	all year	004
BOD, 5-day, 20 deg. C	daily maximum	≤ 267 mg/L	all year	004
Oxygen demand, chem. [high level] [COD]	monthly average	≤ 856 mg/L	all year	004
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 1675 mg/L	all year	004
pH	instantaneous minimum	≥ 6 SU	all year	004
pH	instantaneous maximum	≤ 9 SU	all year	004
Solids, total suspended	monthly average	≤ 166 mg/L	all year	004
Solids, total suspended	daily maximum	≤ 472 mg/L	all year	004
Nitrogen, ammonia total [as N]	monthly average	≤ 29.4 mg/L	all year	004
Nitrogen, ammonia total [as N]	daily maximum	≤ 84.1 mg/L	all year	004
Cyanide, total [as CN]	monthly average	≤ .1 mg/L	all year	004
Cyanide, total [as CN]	daily maximum	≤ .24 mg/L	all year	004
1,2-Dichloroethane	monthly average	≤ .1 mg/L	all year	004
1,2-Dichloroethane	daily maximum	≤ .4 mg/L	all year	004
Chloroform	monthly average	≤ .02 mg/L	all year	004
Chloroform	daily maximum	≤ .13 mg/L	all year	004
Toluene	monthly average	≤ .02 mg/L	all year	004
Toluene	daily maximum	≤ .06 mg/L	all year	004
Benzene	monthly average	≤ .02 mg/L	all year	004
Benzene	daily maximum	≤ .05 mg/L	all year	004
Chlorobenzene	monthly average	≤ .06 mg/L	all year	004
Chlorobenzene	daily maximum	≤ .15 mg/L	all year	004
Methylene chloride	monthly average	≤ .3 mg/L	all year	004
Methylene chloride	daily maximum	≤ .9 mg/L	all year	004
1,2-Dichlorobenzene	monthly average	≤ .06 mg/L	all year	004
1,2-Dichlorobenzene	daily maximum	≤ .15 mg/L	all year	004
Phenol	monthly average	≤ .02 mg/L	all year	004
Phenol	daily maximum	≤ .05 mg/L	all year	004
Isopropyl acetate	monthly average	≤ .5 mg/L	all year	004
Isopropyl acetate	daily maximum	≤ 1.3 mg/L	all year	004
2-Methoxyethanol	monthly average	≤ 40.6 mg/L	all year	004
2-Methoxyethanol	daily maximum	≤ 100 mg/L	all year	004
Flow, in conduit or thru treatment plant	monthly average	report only (gal/d)	all year	004
Flow, in conduit or thru treatment plant	daily maximum	report only (gal/d)	all year	004
Methyl formate	monthly average	≤ .5 mg/L	all year	004
Methyl formate	daily maximum	≤ 1.3 mg/L	all year	004
Isobutyraldehyde	monthly average	≤ .5 mg/L	all year	004
Isobutyraldehyde	daily maximum	≤ 1.2 mg/L	all year	004
n-Amyl acetate	monthly average	≤ .5 mg/L	all year	004
n-Amyl acetate	daily maximum	≤ 1.3 mg/L	all year	004
Amyl alcohol	monthly average	≤ 4.1 mg/L	all year	004
Amyl alcohol	daily maximum	≤ 10 mg/L	all year	004
N-Hexane	monthly average	≤ .02 mg/L	all year	004
N-Hexane	daily maximum	≤ .03 mg/L	all year	004
Acetonitrile	monthly average	≤ 10.2 mg/L	all year	004
Acetonitrile	daily maximum	≤ 25 mg/L	all year	004
Ethanol	monthly average	≤ 4.1 mg/L	all year	004
Ethanol	daily maximum	≤ 10 mg/L	all year	004
Isopropanol	monthly average	≤ 1.6 mg/L	all year	004
Isopropanol	daily maximum	≤ 3.9 mg/L	all year	004
Diethylamine	monthly average	≤ 102 mg/L	all year	004
Diethylamine	daily maximum	≤ 250 mg/L	all year	004
Dimethyl sulfoxide, total	monthly average	≤ 37.5 mg/L	all year	004
Dimethyl sulfoxide, total	daily maximum	≤ 91.5 mg/L	all year	004
Triethylamine	monthly average	≤ 102 mg/L	all year	004
Triethylamine	daily maximum	≤ 250 mg/L	all year	004
Isopropyl ether	monthly average	≤ 2.6 mg/L	all year	004
Isopropyl ether	daily maximum	≤ 8.4 mg/L	all year	004
n-Butyl acetate	monthly average	≤ .5 mg/L	all year	004
n-Butyl acetate	daily maximum	≤ 1.3 mg/L	all year	004
Methanol, total	monthly average	≤ 4.1 mg/L	all year	004
Methanol, total	daily maximum	≤ 10 mg/L	all year	004
n-Heptane	monthly average	≤ .02 mg/L	all year	004
n-Heptane	daily maximum	≤ .05 mg/L	all year	004
Xylene [mix of m+o+p]	monthly average	≤ .01 mg/L	all year	004
Xylene [mix of m+o+p]	daily maximum	≤ .03 mg/L	all year	004
Acetone	monthly average	≤ .2 mg/L	all year	004
Acetone	daily maximum	≤ .5 mg/L	all year	004
Ethyl acetate	monthly average	≤ .5 mg/L	all year	004
Ethyl acetate	daily maximum	≤ 1.2 mg/L	all year	004
Methyl isobutyl ketone	monthly average	≤ .2 mg/L	all year	004
Methyl isobutyl ketone	daily maximum	≤ .5 mg/L	all year	004
Tetrahydrofuran	monthly average	≤ 2.6 mg/L	all year	004
Tetrahydrofuran	daily maximum	≤ 8.4 mg/L	all year	004

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/LA0122114 · MCP: https://passage-data.com/mcp