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Multi-Chem Group, LLC

Chemical Preparations, Geismar, Louisiana. NPDES permit LA0119423, in force until Mar 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (10 values), outfall 004 form A quarterly (135 values), outfall 004 form Q quarterly (4 values), outfall 005 form A quarterly (135 values), outfall 005 form Q quarterly (4 values), outfall 02A form A quarterly (8 values), and 2 more forms
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 8 required values missing, 4 of 64 reports late

Limits in force (304)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year001
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Oil & Greasedaily maximum≤ 15 mg/Lall year004
Nitrogen, total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, total [as N]daily maximumreport only (mg/L)all year004
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]monthly averagereport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year004
Cyanide, total [as CN]daily maximum≤ 100 ug/Lall year004
Arsenic, total [as As]daily maximum≤ 100 ug/Lall year004
Beryllium, total [as Be]daily maximum≤ 100 ug/Lall year004
Cadmium, total [as Cd]daily maximum≤ 100 ug/Lall year004
Chromium, total [as Cr]daily maximum≤ 150 ug/Lall year004
Copper, total [as Cu]daily maximum≤ 500 ug/Lall year004
Lead, total [as Pb]daily maximum≤ 150 ug/Lall year004
Thallium, total [as Tl]daily maximum≤ 100 ug/Lall year004
Nickel, total [as Ni]daily maximum≤ 500 ug/Lall year004
Silver, total [as Ag]daily maximum≤ 100 ug/Lall year004
Zinc, total [as Zn]daily maximum≤ 1000 ug/Lall year004
Antimony, total [as Sb]daily maximum≤ 600 ug/Lall year004
Selenium, total [as Se]daily maximum≤ 100 ug/Lall year004
Dichlorobromomethanedaily maximum≤ 100 ug/Lall year004
Carbon tetrachloridedaily maximum≤ 100 ug/Lall year004
1,2-Dichloroethanedaily maximum≤ 100 ug/Lall year004
Bromoformdaily maximum≤ 100 ug/Lall year004
Dibromochloromethanedaily maximum≤ 100 ug/Lall year004
Chloroformdaily maximum≤ 100 ug/Lall year004
Phenolics, total recoverabledaily maximum≤ 500 ug/Lall year004
Toluenedaily maximum≤ 100 ug/Lall year004
Benzenedaily maximum≤ 100 ug/Lall year004
.delta.-BHCdaily maximum≤ 10 ug/Lall year004
Acenaphthylenedaily maximum≤ 100 ug/Lall year004
Acenaphthenedaily maximum≤ 100 ug/Lall year004
Acroleindaily maximum≤ 100 ug/Lall year004
Acrylonitriledaily maximum≤ 100 ug/Lall year004
Anthracenedaily maximum≤ 100 ug/Lall year004
Benzo[b]fluoranthenedaily maximum≤ 100 ug/Lall year004
Benzo[k]fluoranthenedaily maximum≤ 100 ug/Lall year004
Benzo[a]pyrenedaily maximum≤ 100 ug/Lall year004
Bis[2-chloroethyl] etherdaily maximum≤ 100 ug/Lall year004
Bis[2-chloroethoxy]methanedaily maximum≤ 100 ug/Lall year004
Bis[2-chloroisopropyl] etherdaily maximum≤ 100 ug/Lall year004
Butyl benzyl phthalatedaily maximum≤ 100 ug/Lall year004
Chlorobenzenedaily maximum≤ 100 ug/Lall year004
Chrysenedaily maximum≤ 100 ug/Lall year004
Diethyl phthalatedaily maximum≤ 100 ug/Lall year004
Dimethyl phthalatedaily maximum≤ 100 ug/Lall year004
1,2-Diphenylhydrazinedaily maximum≤ 100 ug/Lall year004
Endosulfan sulfatedaily maximum≤ 10 ug/Lall year004
.beta.-Endosulfandaily maximum≤ 10 ug/Lall year004
.alpha.-Endosulfandaily maximum≤ 10 ug/Lall year004
Endrin aldehydedaily maximum≤ 10 ug/Lall year004
Ethylbenzenedaily maximum≤ 100 ug/Lall year004
Fluoranthenedaily maximum≤ 100 ug/Lall year004
Fluorenedaily maximum≤ 100 ug/Lall year004
Hexachlorocyclopentadienedaily maximum≤ 100 ug/Lall year004
Hexachlorobutadienedaily maximum≤ 100 ug/Lall year004
Hexachloroethanedaily maximum≤ 100 ug/Lall year004
Indeno[1,2,3-cd]pyrenedaily maximum≤ 100 ug/Lall year004
Isophoronedaily maximum≤ 100 ug/Lall year004
Methyl bromide [Bromomethane]daily maximum≤ 100 ug/Lall year004
Methyl chloride [Chloromethane]daily maximum≤ 100 ug/Lall year004
Methylene chloridedaily maximum≤ 100 ug/Lall year004
N-Nitrosodi-N-propylaminedaily maximum≤ 100 ug/Lall year004
N-Nitrosodiphenylaminedaily maximum≤ 100 ug/Lall year004
N-Nitrosodimethylamine [NDMA]daily maximum≤ 100 ug/Lall year004
Nitrobenzenedaily maximum≤ 100 ug/Lall year004
para-Chloro-meta-cresoldaily maximum≤ 100 ug/Lall year004
Phenanthrenedaily maximum≤ 100 ug/Lall year004
Pyrenedaily maximum≤ 100 ug/Lall year004
Tetrachloroethylenedaily maximum≤ 100 ug/Lall year004
1,1-Dichloroethanedaily maximum≤ 100 ug/Lall year004
1,1-Dichloroethylenedaily maximum≤ 100 ug/Lall year004
1,1,1-Trichloroethanedaily maximum≤ 100 ug/Lall year004
1,1,2-Trichloroethanedaily maximum≤ 100 ug/Lall year004
1,1,2,2-Tetrachloroethanedaily maximum≤ 100 ug/Lall year004
Benzo[ghi]perylenedaily maximum≤ 100 ug/Lall year004
Benzo[a]anthracenedaily maximum≤ 100 ug/Lall year004
1,2-Dichlorobenzenedaily maximum≤ 100 ug/Lall year004
1,2-Dichloropropanedaily maximum≤ 100 ug/Lall year004
trans-1,2-Dichloroethylenedaily maximum≤ 100 ug/Lall year004
1,2,4-Trichlorobenzenedaily maximum≤ 100 ug/Lall year004
Dibenz[a,h]anthracenedaily maximum≤ 100 ug/Lall year004
1,3-Dichlorobenzenedaily maximum≤ 100 ug/Lall year004
1,4-Dichlorobenzenedaily maximum≤ 100 ug/Lall year004
2-Chloroethyl vinyl ether, [mixed]daily maximum≤ 100 ug/Lall year004
2-Chloronaphthalenedaily maximum≤ 100 ug/Lall year004
2-Chlorophenoldaily maximum≤ 100 ug/Lall year004
2-Nitrophenoldaily maximum≤ 100 ug/Lall year004
Di-n-octyl phthalatedaily maximum≤ 100 ug/Lall year004
2,4-Dichlorophenoldaily maximum≤ 100 ug/Lall year004
2,4-Dimethylphenoldaily maximum≤ 100 ug/Lall year004
2,4-Dinitrotoluenedaily maximum≤ 100 ug/Lall year004
2,4-Dinitrophenoldaily maximum≤ 100 ug/Lall year004
2,4,6-Trichlorophenoldaily maximum≤ 100 ug/Lall year004
2,6-Dinitrotoluenedaily maximum≤ 100 ug/Lall year004
3,3'-Dichlorobenzidinedaily maximum≤ 100 ug/Lall year004
4-Bromophenyl phenyl etherdaily maximum≤ 100 ug/Lall year004
4-Chlorophenyl phenyl etherdaily maximum≤ 100 ug/Lall year004
4-Nitrophenoldaily maximum≤ 100 ug/Lall year004
4,6-Dinitro-o-cresoldaily maximum≤ 100 ug/Lall year004
PCB-1016daily maximum≤ 0 ug/Lall year004
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximum≤ 5 ug/Lall year004
Phenoldaily maximum≤ 100 ug/Lall year004
Naphthalenedaily maximum≤ 100 ug/Lall year004
Pentachlorophenoldaily maximum≤ 100 ug/Lall year004
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 100 ug/Lall year004
Di-n-butyl phthalatedaily maximum≤ 100 ug/Lall year004
Benzidinedaily maximum≤ 100 ug/Lall year004
Vinyl chloridedaily maximum≤ 100 ug/Lall year004
Trichloroethylenedaily maximum≤ 100 ug/Lall year004
4,4'-DDTdaily maximum≤ 10 ug/Lall year004
4,4'-DDDdaily maximum≤ 10 ug/Lall year004
4,4'-DDEdaily maximum≤ 10 ug/Lall year004
Aldrindaily maximum≤ 10 ug/Lall year004
.alpha.-BHCdaily maximum≤ 10 ug/Lall year004
.beta.-BHCdaily maximum≤ 10 ug/Lall year004
.gamma.-BHCdaily maximum≤ 10 ug/Lall year004
Dieldrindaily maximum≤ 10 ug/Lall year004
Endrindaily maximum≤ 5 ug/Lall year004
Toxaphenedaily maximum≤ 10 ug/Lall year004
Heptachlordaily maximum≤ 10 ug/Lall year004
Heptachlor epoxidedaily maximum≤ 10 ug/Lall year004
PCB-1221daily maximum≤ 0 ug/Lall year004
PCB-1232daily maximum≤ 0 ug/Lall year004
PCB-1242daily maximum≤ 0 ug/Lall year004
PCB-1248daily maximum≤ 0 ug/Lall year004
PCB-1254daily maximum≤ 0 ug/Lall year004
PCB-1260daily maximum≤ 0 ug/Lall year004
Hexachlorobenzenedaily maximum≤ 100 ug/Lall year004
BTEXdaily maximum≤ 250 ug/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Chlordanedaily maximum≤ 10 ug/Lall year004
Mercury, total [as Hg]daily maximum≤ 10 ug/Lall year004
1,3-Dichloropropenedaily maximum≤ 100 ug/Lall year004
Chloroethanedaily maximum≤ 100 ug/Lall year004
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Nitrogen, total [as N]monthly averagereport only (mg/L)all year005
Nitrogen, total [as N]daily maximumreport only (mg/L)all year005
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year005
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year005
Phosphorus, total [as P]monthly averagereport only (mg/L)all year005
Phosphorus, total [as P]daily maximumreport only (mg/L)all year005
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year005
Cyanide, total [as CN]daily maximum≤ 100 ug/Lall year005
Arsenic, total [as As]daily maximum≤ 100 ug/Lall year005
Beryllium, total [as Be]daily maximum≤ 100 ug/Lall year005
Cadmium, total [as Cd]daily maximum≤ 100 ug/Lall year005
Chromium, total [as Cr]daily maximum≤ 150 ug/Lall year005
Copper, total [as Cu]daily maximum≤ 500 ug/Lall year005
Lead, total [as Pb]daily maximum≤ 150 ug/Lall year005
Thallium, total [as Tl]daily maximum≤ 100 ug/Lall year005
Nickel, total [as Ni]daily maximum≤ 500 ug/Lall year005
Silver, total [as Ag]daily maximum≤ 100 ug/Lall year005
Zinc, total [as Zn]daily maximum≤ 1000 ug/Lall year005
Antimony, total [as Sb]daily maximum≤ 600 ug/Lall year005
Selenium, total [as Se]daily maximum≤ 100 ug/Lall year005
Dichlorobromomethanedaily maximum≤ 100 ug/Lall year005
Carbon tetrachloridedaily maximum≤ 100 ug/Lall year005
1,2-Dichloroethanedaily maximum≤ 100 ug/Lall year005
Bromoformdaily maximum≤ 100 ug/Lall year005
Dibromochloromethanedaily maximum≤ 100 ug/Lall year005
Chloroformdaily maximum≤ 100 ug/Lall year005
Phenolics, total recoverabledaily maximum≤ 500 ug/Lall year005
Toluenedaily maximum≤ 100 ug/Lall year005
Benzenedaily maximum≤ 100 ug/Lall year005
.delta.-BHCdaily maximum≤ 10 ug/Lall year005
Acenaphthylenedaily maximum≤ 100 ug/Lall year005
Acenaphthenedaily maximum≤ 100 ug/Lall year005
Acroleindaily maximum≤ 100 ug/Lall year005
Acrylonitriledaily maximum≤ 100 ug/Lall year005
Anthracenedaily maximum≤ 100 ug/Lall year005
Benzo[b]fluoranthenedaily maximum≤ 100 ug/Lall year005
Benzo[k]fluoranthenedaily maximum≤ 100 ug/Lall year005
Benzo[a]pyrenedaily maximum≤ 100 ug/Lall year005
Bis[2-chloroethyl] etherdaily maximum≤ 100 ug/Lall year005
Bis[2-chloroethoxy]methanedaily maximum≤ 100 ug/Lall year005
Bis[2-chloroisopropyl] etherdaily maximum≤ 100 ug/Lall year005
Butyl benzyl phthalatedaily maximum≤ 100 ug/Lall year005
Chlorobenzenedaily maximum≤ 100 ug/Lall year005
Chrysenedaily maximum≤ 100 ug/Lall year005
Diethyl phthalatedaily maximum≤ 100 ug/Lall year005
Dimethyl phthalatedaily maximum≤ 100 ug/Lall year005
1,2-Diphenylhydrazinedaily maximum≤ 100 ug/Lall year005
Endosulfan sulfatedaily maximum≤ 10 ug/Lall year005
.beta.-Endosulfandaily maximum≤ 10 ug/Lall year005
.alpha.-Endosulfandaily maximum≤ 10 ug/Lall year005
Endrin aldehydedaily maximum≤ 10 ug/Lall year005
Ethylbenzenedaily maximum≤ 100 ug/Lall year005
Fluoranthenedaily maximum≤ 100 ug/Lall year005
Fluorenedaily maximum≤ 100 ug/Lall year005
Hexachlorocyclopentadienedaily maximum≤ 100 ug/Lall year005
Hexachlorobutadienedaily maximum≤ 100 ug/Lall year005
Hexachloroethanedaily maximum≤ 100 ug/Lall year005
Indeno[1,2,3-cd]pyrenedaily maximum≤ 100 ug/Lall year005
Isophoronedaily maximum≤ 100 ug/Lall year005
Methyl bromide [Bromomethane]daily maximum≤ 100 ug/Lall year005
Methyl chloride [Chloromethane]daily maximum≤ 100 ug/Lall year005
Methylene chloridedaily maximum≤ 100 ug/Lall year005
N-Nitrosodi-N-propylaminedaily maximum≤ 100 ug/Lall year005
N-Nitrosodiphenylaminedaily maximum≤ 100 ug/Lall year005
N-Nitrosodimethylamine [NDMA]daily maximum≤ 100 ug/Lall year005
Nitrobenzenedaily maximum≤ 100 ug/Lall year005
para-Chloro-meta-cresoldaily maximum≤ 100 ug/Lall year005
Phenanthrenedaily maximum≤ 100 ug/Lall year005
Pyrenedaily maximum≤ 100 ug/Lall year005
Tetrachloroethylenedaily maximum≤ 100 ug/Lall year005
1,1-Dichloroethanedaily maximum≤ 100 ug/Lall year005
1,1-Dichloroethylenedaily maximum≤ 100 ug/Lall year005
1,1,1-Trichloroethanedaily maximum≤ 100 ug/Lall year005
1,1,2-Trichloroethanedaily maximum≤ 100 ug/Lall year005
1,1,2,2-Tetrachloroethanedaily maximum≤ 100 ug/Lall year005
Benzo[ghi]perylenedaily maximum≤ 100 ug/Lall year005
Benzo[a]anthracenedaily maximum≤ 100 ug/Lall year005
1,2-Dichlorobenzenedaily maximum≤ 100 ug/Lall year005
1,2-Dichloropropanedaily maximum≤ 100 ug/Lall year005
trans-1,2-Dichloroethylenedaily maximum≤ 100 ug/Lall year005
1,2,4-Trichlorobenzenedaily maximum≤ 100 ug/Lall year005
Dibenz[a,h]anthracenedaily maximum≤ 100 ug/Lall year005
1,3-Dichlorobenzenedaily maximum≤ 100 ug/Lall year005
1,4-Dichlorobenzenedaily maximum≤ 100 ug/Lall year005
2-Chloroethyl vinyl ether, [mixed]daily maximum≤ 100 ug/Lall year005
2-Chloronaphthalenedaily maximum≤ 100 ug/Lall year005
2-Chlorophenoldaily maximum≤ 100 ug/Lall year005
2-Nitrophenoldaily maximum≤ 100 ug/Lall year005
Di-n-octyl phthalatedaily maximum≤ 100 ug/Lall year005
2,4-Dichlorophenoldaily maximum≤ 100 ug/Lall year005
2,4-Dimethylphenoldaily maximum≤ 100 ug/Lall year005
2,4-Dinitrotoluenedaily maximum≤ 100 ug/Lall year005
2,4-Dinitrophenoldaily maximum≤ 100 ug/Lall year005
2,4,6-Trichlorophenoldaily maximum≤ 100 ug/Lall year005
2,6-Dinitrotoluenedaily maximum≤ 100 ug/Lall year005
3,3'-Dichlorobenzidinedaily maximum≤ 100 ug/Lall year005
4-Bromophenyl phenyl etherdaily maximum≤ 100 ug/Lall year005
4-Chlorophenyl phenyl etherdaily maximum≤ 100 ug/Lall year005
4-Nitrophenoldaily maximum≤ 100 ug/Lall year005
4,6-Dinitro-o-cresoldaily maximum≤ 100 ug/Lall year005
PCB-1016daily maximum≤ 0 ug/Lall year005
2,3,7,8-Tetrachlorodibenzo-p-dioxindaily maximum≤ 5 ug/Lall year005
Phenoldaily maximum≤ 100 ug/Lall year005
Naphthalenedaily maximum≤ 100 ug/Lall year005
Pentachlorophenoldaily maximum≤ 100 ug/Lall year005
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 100 ug/Lall year005
Di-n-butyl phthalatedaily maximum≤ 100 ug/Lall year005
Benzidinedaily maximum≤ 100 ug/Lall year005
Vinyl chloridedaily maximum≤ 100 ug/Lall year005
Trichloroethylenedaily maximum≤ 100 ug/Lall year005
4,4'-DDTdaily maximum≤ 10 ug/Lall year005
4,4'-DDDdaily maximum≤ 10 ug/Lall year005
4,4'-DDEdaily maximum≤ 10 ug/Lall year005
Aldrindaily maximum≤ 10 ug/Lall year005
.alpha.-BHCdaily maximum≤ 10 ug/Lall year005
.beta.-BHCdaily maximum≤ 10 ug/Lall year005
.gamma.-BHCdaily maximum≤ 10 ug/Lall year005
Dieldrindaily maximum≤ 10 ug/Lall year005
Endrindaily maximum≤ 5 ug/Lall year005
Toxaphenedaily maximum≤ 10 ug/Lall year005
Heptachlordaily maximum≤ 10 ug/Lall year005
Heptachlor epoxidedaily maximum≤ 10 ug/Lall year005
PCB-1221daily maximum≤ 0 ug/Lall year005
PCB-1232daily maximum≤ 0 ug/Lall year005
PCB-1242daily maximum≤ 0 ug/Lall year005
PCB-1248daily maximum≤ 0 ug/Lall year005
PCB-1254daily maximum≤ 0 ug/Lall year005
PCB-1260daily maximum≤ 0 ug/Lall year005
Hexachlorobenzenedaily maximum≤ 100 ug/Lall year005
BTEXdaily maximum≤ 250 ug/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Chlordanedaily maximum≤ 10 ug/Lall year005
Mercury, total [as Hg]daily maximum≤ 10 ug/Lall year005
1,3-Dichloropropenedaily maximum≤ 100 ug/Lall year005
Chloroethanedaily maximum≤ 100 ug/Lall year005
Oxygen demand, chem. [high level] [COD]monthly average≤ 200 mg/Lall year02A
Oxygen demand, chem. [high level] [COD]daily maximum≤ 300 mg/Lall year02A
pHinstantaneous minimum≥ 6 SUall year02A
pHinstantaneous maximum≤ 9 SUall year02A
Solids, total suspendeddaily maximum≤ 45 mg/Lall year02A
Oil & Greasedaily maximum≤ 15 mg/Lall year02A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year02A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year02A
pHinstantaneous minimum≥ 6 SUall year02B
pHinstantaneous maximum≤ 9 SUall year02B
Solids, total suspendedmonthly average≤ 30 mg/Lall year02B
Solids, total suspendeddaily maximum≤ 45 mg/Lall year02B
Iron, total recoverablemonthly averagereport only (mg/L)all year02B
Iron, total recoverabledaily maximumreport only (mg/L)all year02B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year02B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year02B

How strict are these limits?

Cited limits by parameter: Louisiana's rules and the federal ones.

Same industry: the 130 Chemicals and Allied Products permits in Louisiana.

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