Multi-Chem Group, LLC

NPDES permit LA0119423 · Minor NON-POTW · effective, expires 2029-03-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
2required values missing, on 1 form(s)
1of 56 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (304)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Nitrogen, total [as N]MO AVG report only all year
004Nitrogen, total [as N]DAILY MX report only all year
004Nitrogen, ammonia total [as N]MO AVG report only all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004Phosphorus, total [as P]MO AVG report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
004Cyanide, total [as CN]DAILY MX <= 100 ug/L all year
004Arsenic, total [as As]DAILY MX <= 100 ug/L all year
004Beryllium, total [as Be]DAILY MX <= 100 ug/L all year
004Cadmium, total [as Cd]DAILY MX <= 100 ug/L all year
004Chromium, total [as Cr]DAILY MX <= 150 ug/L all year
004Copper, total [as Cu]DAILY MX <= 500 ug/L all year
004Lead, total [as Pb]DAILY MX <= 150 ug/L all year
004Thallium, total [as Tl]DAILY MX <= 100 ug/L all year
004Nickel, total [as Ni]DAILY MX <= 500 ug/L all year
004Silver, total [as Ag]DAILY MX <= 100 ug/L all year
004Zinc, total [as Zn]DAILY MX <= 1000 ug/L all year
004Antimony, total [as Sb]DAILY MX <= 600 ug/L all year
004Selenium, total [as Se]DAILY MX <= 100 ug/L all year
004DichlorobromomethaneDAILY MX <= 100 ug/L all year
004Carbon tetrachlorideDAILY MX <= 100 ug/L all year
0041,2-DichloroethaneDAILY MX <= 100 ug/L all year
004BromoformDAILY MX <= 100 ug/L all year
004DibromochloromethaneDAILY MX <= 100 ug/L all year
004ChloroformDAILY MX <= 100 ug/L all year
004Phenolics, total recoverableDAILY MX <= 500 ug/L all year
004TolueneDAILY MX <= 100 ug/L all year
004BenzeneDAILY MX <= 100 ug/L all year
004.delta.-BHCDAILY MX <= 10 ug/L all year
004AcenaphthyleneDAILY MX <= 100 ug/L all year
004AcenaphtheneDAILY MX <= 100 ug/L all year
004AcroleinDAILY MX <= 100 ug/L all year
004AcrylonitrileDAILY MX <= 100 ug/L all year
004AnthraceneDAILY MX <= 100 ug/L all year
004Benzo[b]fluorantheneDAILY MX <= 100 ug/L all year
004Benzo[k]fluorantheneDAILY MX <= 100 ug/L all year
004Benzo[a]pyreneDAILY MX <= 100 ug/L all year
004Bis[2-chloroethyl] etherDAILY MX <= 100 ug/L all year
004Bis[2-chloroethoxy]methaneDAILY MX <= 100 ug/L all year
004Bis[2-chloroisopropyl] etherDAILY MX <= 100 ug/L all year
004Butyl benzyl phthalateDAILY MX <= 100 ug/L all year
004ChlorobenzeneDAILY MX <= 100 ug/L all year
004ChryseneDAILY MX <= 100 ug/L all year
004Diethyl phthalateDAILY MX <= 100 ug/L all year
004Dimethyl phthalateDAILY MX <= 100 ug/L all year
0041,2-DiphenylhydrazineDAILY MX <= 100 ug/L all year
004Endosulfan sulfateDAILY MX <= 10 ug/L all year
004.beta.-EndosulfanDAILY MX <= 10 ug/L all year
004.alpha.-EndosulfanDAILY MX <= 10 ug/L all year
004Endrin aldehydeDAILY MX <= 10 ug/L all year
004EthylbenzeneDAILY MX <= 100 ug/L all year
004FluorantheneDAILY MX <= 100 ug/L all year
004FluoreneDAILY MX <= 100 ug/L all year
004HexachlorocyclopentadieneDAILY MX <= 100 ug/L all year
004HexachlorobutadieneDAILY MX <= 100 ug/L all year
004HexachloroethaneDAILY MX <= 100 ug/L all year
004Indeno[1,2,3-cd]pyreneDAILY MX <= 100 ug/L all year
004IsophoroneDAILY MX <= 100 ug/L all year
004Methyl bromide [Bromomethane]DAILY MX <= 100 ug/L all year
004Methyl chloride [Chloromethane]DAILY MX <= 100 ug/L all year
004Methylene chlorideDAILY MX <= 100 ug/L all year
004N-Nitrosodi-N-propylamineDAILY MX <= 100 ug/L all year
004N-NitrosodiphenylamineDAILY MX <= 100 ug/L all year
004N-Nitrosodimethylamine [NDMA]DAILY MX <= 100 ug/L all year
004NitrobenzeneDAILY MX <= 100 ug/L all year
004para-Chloro-meta-cresolDAILY MX <= 100 ug/L all year
004PhenanthreneDAILY MX <= 100 ug/L all year
004PyreneDAILY MX <= 100 ug/L all year
004TetrachloroethyleneDAILY MX <= 100 ug/L all year
0041,1-DichloroethaneDAILY MX <= 100 ug/L all year
0041,1-DichloroethyleneDAILY MX <= 100 ug/L all year
0041,1,1-TrichloroethaneDAILY MX <= 100 ug/L all year
0041,1,2-TrichloroethaneDAILY MX <= 100 ug/L all year
0041,1,2,2-TetrachloroethaneDAILY MX <= 100 ug/L all year
004Benzo[ghi]peryleneDAILY MX <= 100 ug/L all year
004Benzo[a]anthraceneDAILY MX <= 100 ug/L all year
0041,2-DichlorobenzeneDAILY MX <= 100 ug/L all year
0041,2-DichloropropaneDAILY MX <= 100 ug/L all year
004trans-1,2-DichloroethyleneDAILY MX <= 100 ug/L all year
0041,2,4-TrichlorobenzeneDAILY MX <= 100 ug/L all year
004Dibenz[a,h]anthraceneDAILY MX <= 100 ug/L all year
0041,3-DichlorobenzeneDAILY MX <= 100 ug/L all year
0041,4-DichlorobenzeneDAILY MX <= 100 ug/L all year
0042-Chloroethyl vinyl ether, [mixed]DAILY MX <= 100 ug/L all year
0042-ChloronaphthaleneDAILY MX <= 100 ug/L all year
0042-ChlorophenolDAILY MX <= 100 ug/L all year
0042-NitrophenolDAILY MX <= 100 ug/L all year
004Di-n-octyl phthalateDAILY MX <= 100 ug/L all year
0042,4-DichlorophenolDAILY MX <= 100 ug/L all year
0042,4-DimethylphenolDAILY MX <= 100 ug/L all year
0042,4-DinitrotolueneDAILY MX <= 100 ug/L all year
0042,4-DinitrophenolDAILY MX <= 100 ug/L all year
0042,4,6-TrichlorophenolDAILY MX <= 100 ug/L all year
0042,6-DinitrotolueneDAILY MX <= 100 ug/L all year
0043,3'-DichlorobenzidineDAILY MX <= 100 ug/L all year
0044-Bromophenyl phenyl etherDAILY MX <= 100 ug/L all year
0044-Chlorophenyl phenyl etherDAILY MX <= 100 ug/L all year
0044-NitrophenolDAILY MX <= 100 ug/L all year
0044,6-Dinitro-o-cresolDAILY MX <= 100 ug/L all year
004PCB-1016DAILY MX <= 0 ug/L all year
0042,3,7,8-Tetrachlorodibenzo-p-dioxinDAILY MX <= 5 ug/L all year
004PhenolDAILY MX <= 100 ug/L all year
004NaphthaleneDAILY MX <= 100 ug/L all year
004PentachlorophenolDAILY MX <= 100 ug/L all year
004Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 100 ug/L all year
004Di-n-butyl phthalateDAILY MX <= 100 ug/L all year
004BenzidineDAILY MX <= 100 ug/L all year
004Vinyl chlorideDAILY MX <= 100 ug/L all year
004TrichloroethyleneDAILY MX <= 100 ug/L all year
0044,4'-DDTDAILY MX <= 10 ug/L all year
0044,4'-DDDDAILY MX <= 10 ug/L all year
0044,4'-DDEDAILY MX <= 10 ug/L all year
004AldrinDAILY MX <= 10 ug/L all year
004.alpha.-BHCDAILY MX <= 10 ug/L all year
004.beta.-BHCDAILY MX <= 10 ug/L all year
004.gamma.-BHCDAILY MX <= 10 ug/L all year
004DieldrinDAILY MX <= 10 ug/L all year
004EndrinDAILY MX <= 5 ug/L all year
004ToxapheneDAILY MX <= 10 ug/L all year
004HeptachlorDAILY MX <= 10 ug/L all year
004Heptachlor epoxideDAILY MX <= 10 ug/L all year
004PCB-1221DAILY MX <= 0 ug/L all year
004PCB-1232DAILY MX <= 0 ug/L all year
004PCB-1242DAILY MX <= 0 ug/L all year
004PCB-1248DAILY MX <= 0 ug/L all year
004PCB-1254DAILY MX <= 0 ug/L all year
004PCB-1260DAILY MX <= 0 ug/L all year
004HexachlorobenzeneDAILY MX <= 100 ug/L all year
004BTEXDAILY MX <= 250 ug/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004ChlordaneDAILY MX <= 10 ug/L all year
004Mercury, total [as Hg]DAILY MX <= 10 ug/L all year
0041,3-DichloropropeneDAILY MX <= 100 ug/L all year
004ChloroethaneDAILY MX <= 100 ug/L all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Nitrogen, total [as N]MO AVG report only all year
005Nitrogen, total [as N]DAILY MX report only all year
005Nitrogen, ammonia total [as N]MO AVG report only all year
005Nitrogen, ammonia total [as N]DAILY MX report only all year
005Phosphorus, total [as P]MO AVG report only all year
005Phosphorus, total [as P]DAILY MX report only all year
005Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
005Cyanide, total [as CN]DAILY MX <= 100 ug/L all year
005Arsenic, total [as As]DAILY MX <= 100 ug/L all year
005Beryllium, total [as Be]DAILY MX <= 100 ug/L all year
005Cadmium, total [as Cd]DAILY MX <= 100 ug/L all year
005Chromium, total [as Cr]DAILY MX <= 150 ug/L all year
005Copper, total [as Cu]DAILY MX <= 500 ug/L all year
005Lead, total [as Pb]DAILY MX <= 150 ug/L all year
005Thallium, total [as Tl]DAILY MX <= 100 ug/L all year
005Nickel, total [as Ni]DAILY MX <= 500 ug/L all year
005Silver, total [as Ag]DAILY MX <= 100 ug/L all year
005Zinc, total [as Zn]DAILY MX <= 1000 ug/L all year
005Antimony, total [as Sb]DAILY MX <= 600 ug/L all year
005Selenium, total [as Se]DAILY MX <= 100 ug/L all year
005DichlorobromomethaneDAILY MX <= 100 ug/L all year
005Carbon tetrachlorideDAILY MX <= 100 ug/L all year
0051,2-DichloroethaneDAILY MX <= 100 ug/L all year
005BromoformDAILY MX <= 100 ug/L all year
005DibromochloromethaneDAILY MX <= 100 ug/L all year
005ChloroformDAILY MX <= 100 ug/L all year
005Phenolics, total recoverableDAILY MX <= 500 ug/L all year
005TolueneDAILY MX <= 100 ug/L all year
005BenzeneDAILY MX <= 100 ug/L all year
005.delta.-BHCDAILY MX <= 10 ug/L all year
005AcenaphthyleneDAILY MX <= 100 ug/L all year
005AcenaphtheneDAILY MX <= 100 ug/L all year
005AcroleinDAILY MX <= 100 ug/L all year
005AcrylonitrileDAILY MX <= 100 ug/L all year
005AnthraceneDAILY MX <= 100 ug/L all year
005Benzo[b]fluorantheneDAILY MX <= 100 ug/L all year
005Benzo[k]fluorantheneDAILY MX <= 100 ug/L all year
005Benzo[a]pyreneDAILY MX <= 100 ug/L all year
005Bis[2-chloroethyl] etherDAILY MX <= 100 ug/L all year
005Bis[2-chloroethoxy]methaneDAILY MX <= 100 ug/L all year
005Bis[2-chloroisopropyl] etherDAILY MX <= 100 ug/L all year
005Butyl benzyl phthalateDAILY MX <= 100 ug/L all year
005ChlorobenzeneDAILY MX <= 100 ug/L all year
005ChryseneDAILY MX <= 100 ug/L all year
005Diethyl phthalateDAILY MX <= 100 ug/L all year
005Dimethyl phthalateDAILY MX <= 100 ug/L all year
0051,2-DiphenylhydrazineDAILY MX <= 100 ug/L all year
005Endosulfan sulfateDAILY MX <= 10 ug/L all year
005.beta.-EndosulfanDAILY MX <= 10 ug/L all year
005.alpha.-EndosulfanDAILY MX <= 10 ug/L all year
005Endrin aldehydeDAILY MX <= 10 ug/L all year
005EthylbenzeneDAILY MX <= 100 ug/L all year
005FluorantheneDAILY MX <= 100 ug/L all year
005FluoreneDAILY MX <= 100 ug/L all year
005HexachlorocyclopentadieneDAILY MX <= 100 ug/L all year
005HexachlorobutadieneDAILY MX <= 100 ug/L all year
005HexachloroethaneDAILY MX <= 100 ug/L all year
005Indeno[1,2,3-cd]pyreneDAILY MX <= 100 ug/L all year
005IsophoroneDAILY MX <= 100 ug/L all year
005Methyl bromide [Bromomethane]DAILY MX <= 100 ug/L all year
005Methyl chloride [Chloromethane]DAILY MX <= 100 ug/L all year
005Methylene chlorideDAILY MX <= 100 ug/L all year
005N-Nitrosodi-N-propylamineDAILY MX <= 100 ug/L all year
005N-NitrosodiphenylamineDAILY MX <= 100 ug/L all year
005N-Nitrosodimethylamine [NDMA]DAILY MX <= 100 ug/L all year
005NitrobenzeneDAILY MX <= 100 ug/L all year
005para-Chloro-meta-cresolDAILY MX <= 100 ug/L all year
005PhenanthreneDAILY MX <= 100 ug/L all year
005PyreneDAILY MX <= 100 ug/L all year
005TetrachloroethyleneDAILY MX <= 100 ug/L all year
0051,1-DichloroethaneDAILY MX <= 100 ug/L all year
0051,1-DichloroethyleneDAILY MX <= 100 ug/L all year
0051,1,1-TrichloroethaneDAILY MX <= 100 ug/L all year
0051,1,2-TrichloroethaneDAILY MX <= 100 ug/L all year
0051,1,2,2-TetrachloroethaneDAILY MX <= 100 ug/L all year
005Benzo[ghi]peryleneDAILY MX <= 100 ug/L all year
005Benzo[a]anthraceneDAILY MX <= 100 ug/L all year
0051,2-DichlorobenzeneDAILY MX <= 100 ug/L all year
0051,2-DichloropropaneDAILY MX <= 100 ug/L all year
005trans-1,2-DichloroethyleneDAILY MX <= 100 ug/L all year
0051,2,4-TrichlorobenzeneDAILY MX <= 100 ug/L all year
005Dibenz[a,h]anthraceneDAILY MX <= 100 ug/L all year
0051,3-DichlorobenzeneDAILY MX <= 100 ug/L all year
0051,4-DichlorobenzeneDAILY MX <= 100 ug/L all year
0052-Chloroethyl vinyl ether, [mixed]DAILY MX <= 100 ug/L all year
0052-ChloronaphthaleneDAILY MX <= 100 ug/L all year
0052-ChlorophenolDAILY MX <= 100 ug/L all year
0052-NitrophenolDAILY MX <= 100 ug/L all year
005Di-n-octyl phthalateDAILY MX <= 100 ug/L all year
0052,4-DichlorophenolDAILY MX <= 100 ug/L all year
0052,4-DimethylphenolDAILY MX <= 100 ug/L all year
0052,4-DinitrotolueneDAILY MX <= 100 ug/L all year
0052,4-DinitrophenolDAILY MX <= 100 ug/L all year
0052,4,6-TrichlorophenolDAILY MX <= 100 ug/L all year
0052,6-DinitrotolueneDAILY MX <= 100 ug/L all year
0053,3'-DichlorobenzidineDAILY MX <= 100 ug/L all year
0054-Bromophenyl phenyl etherDAILY MX <= 100 ug/L all year
0054-Chlorophenyl phenyl etherDAILY MX <= 100 ug/L all year
0054-NitrophenolDAILY MX <= 100 ug/L all year
0054,6-Dinitro-o-cresolDAILY MX <= 100 ug/L all year
005PCB-1016DAILY MX <= 0 ug/L all year
0052,3,7,8-Tetrachlorodibenzo-p-dioxinDAILY MX <= 5 ug/L all year
005PhenolDAILY MX <= 100 ug/L all year
005NaphthaleneDAILY MX <= 100 ug/L all year
005PentachlorophenolDAILY MX <= 100 ug/L all year
005Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 100 ug/L all year
005Di-n-butyl phthalateDAILY MX <= 100 ug/L all year
005BenzidineDAILY MX <= 100 ug/L all year
005Vinyl chlorideDAILY MX <= 100 ug/L all year
005TrichloroethyleneDAILY MX <= 100 ug/L all year
0054,4'-DDTDAILY MX <= 10 ug/L all year
0054,4'-DDDDAILY MX <= 10 ug/L all year
0054,4'-DDEDAILY MX <= 10 ug/L all year
005AldrinDAILY MX <= 10 ug/L all year
005.alpha.-BHCDAILY MX <= 10 ug/L all year
005.beta.-BHCDAILY MX <= 10 ug/L all year
005.gamma.-BHCDAILY MX <= 10 ug/L all year
005DieldrinDAILY MX <= 10 ug/L all year
005EndrinDAILY MX <= 5 ug/L all year
005ToxapheneDAILY MX <= 10 ug/L all year
005HeptachlorDAILY MX <= 10 ug/L all year
005Heptachlor epoxideDAILY MX <= 10 ug/L all year
005PCB-1221DAILY MX <= 0 ug/L all year
005PCB-1232DAILY MX <= 0 ug/L all year
005PCB-1242DAILY MX <= 0 ug/L all year
005PCB-1248DAILY MX <= 0 ug/L all year
005PCB-1254DAILY MX <= 0 ug/L all year
005PCB-1260DAILY MX <= 0 ug/L all year
005HexachlorobenzeneDAILY MX <= 100 ug/L all year
005BTEXDAILY MX <= 250 ug/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005ChlordaneDAILY MX <= 10 ug/L all year
005Mercury, total [as Hg]DAILY MX <= 10 ug/L all year
0051,3-DichloropropeneDAILY MX <= 100 ug/L all year
005ChloroethaneDAILY MX <= 100 ug/L all year
02AOxygen demand, chem. [high level] [COD]MO AVG <= 200 mg/L all year
02AOxygen demand, chem. [high level] [COD]DAILY MX <= 300 mg/L all year
02ApHINST MIN >= 6 SU all year
02ApHINST MAX <= 9 SU all year
02ASolids, total suspendedDAILY MX <= 45 mg/L all year
02AOil & GreaseDAILY MX <= 15 mg/L all year
02AFlow, in conduit or thru treatment plantMO AVG report only all year
02AFlow, in conduit or thru treatment plantDAILY MX report only all year
02BpHINST MIN >= 6 SU all year
02BpHINST MAX <= 9 SU all year
02BSolids, total suspendedMO AVG <= 30 mg/L all year
02BSolids, total suspendedDAILY MX <= 45 mg/L all year
02BIron, total recoverableMO AVG report only all year
02BIron, total recoverableDAILY MX report only all year
02BFlow, in conduit or thru treatment plantMO AVG report only all year
02BFlow, in conduit or thru treatment plantDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states