Brenntag Southwest, Inc. — NPDES permit LA0103462: limits, due date and EPA's record

Chemicals & Allied Products, St. Gabriel, Louisiana. NPDES permit LA0103462, in force until Jan 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (268)

Parameter	Statistic	Limit	Months
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 100 mg/L	all year
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 100 mg/L	all year
pH	instantaneous minimum	≥ 6 SU	all year
pH	instantaneous minimum	≥ 6 SU	all year
pH	instantaneous maximum	≤ 9 SU	all year
pH	instantaneous maximum	≤ 9 SU	all year
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year
Cyanide, total [as CN]	daily maximum	≤ 100 ug/L	all year
Cyanide, total [as CN]	daily maximum	≤ 100 ug/L	all year
Arsenic, total [as As]	daily maximum	≤ 100 ug/L	all year
Arsenic, total [as As]	daily maximum	≤ 100 ug/L	all year
Beryllium, total [as Be]	daily maximum	≤ 100 ug/L	all year
Beryllium, total [as Be]	daily maximum	≤ 100 ug/L	all year
Cadmium, total [as Cd]	daily maximum	≤ 100 ug/L	all year
Cadmium, total [as Cd]	daily maximum	≤ 100 ug/L	all year
Chromium, total [as Cr]	daily maximum	≤ 150 ug/L	all year
Chromium, total [as Cr]	daily maximum	≤ 150 ug/L	all year
Copper, total [as Cu]	daily maximum	≤ 500 ug/L	all year
Copper, total [as Cu]	daily maximum	≤ 500 ug/L	all year
Lead, total [as Pb]	daily maximum	≤ 150 ug/L	all year
Lead, total [as Pb]	daily maximum	≤ 150 ug/L	all year
Thallium, total [as Tl]	daily maximum	≤ 100 ug/L	all year
Thallium, total [as Tl]	daily maximum	≤ 100 ug/L	all year
Nickel, total [as Ni]	daily maximum	≤ 500 ug/L	all year
Nickel, total [as Ni]	daily maximum	≤ 500 ug/L	all year
Silver, total [as Ag]	daily maximum	≤ 100 ug/L	all year
Silver, total [as Ag]	daily maximum	≤ 100 ug/L	all year
Zinc, total [as Zn]	daily maximum	≤ 1000 ug/L	all year
Zinc, total [as Zn]	daily maximum	≤ 1000 ug/L	all year
Antimony, total [as Sb]	daily maximum	≤ 600 ug/L	all year
Antimony, total [as Sb]	daily maximum	≤ 600 ug/L	all year
Selenium, total [as Se]	daily maximum	≤ 100 ug/L	all year
Selenium, total [as Se]	daily maximum	≤ 100 ug/L	all year
Oil and grease	daily maximum	≤ 15 mg/L	all year
Oil and grease	daily maximum	≤ 15 mg/L	all year
Dichlorobromomethane	daily maximum	≤ 100 ug/L	all year
Dichlorobromomethane	daily maximum	≤ 100 ug/L	all year
Carbon tetrachloride	daily maximum	≤ 100 ug/L	all year
Carbon tetrachloride	daily maximum	≤ 100 ug/L	all year
1,2-Dichloroethane	daily maximum	≤ 100 ug/L	all year
1,2-Dichloroethane	daily maximum	≤ 100 ug/L	all year
Bromoform	daily maximum	≤ 100 ug/L	all year
Bromoform	daily maximum	≤ 100 ug/L	all year
Chloroform	daily maximum	≤ 100 ug/L	all year
Chloroform	daily maximum	≤ 100 ug/L	all year
Phenolics, total recoverable	daily maximum	≤ 500 ug/L	all year
Phenolics, total recoverable	daily maximum	≤ 500 ug/L	all year
Toluene	daily maximum	≤ 100 ug/L	all year
Toluene	daily maximum	≤ 100 ug/L	all year
Benzene	daily maximum	≤ 100 ug/L	all year
Benzene	daily maximum	≤ 100 ug/L	all year
.delta.-BHC	daily maximum	≤ 10 ug/L	all year
.delta.-BHC	daily maximum	≤ 10 ug/L	all year
Acenaphthylene	daily maximum	≤ 100 ug/L	all year
Acenaphthylene	daily maximum	≤ 100 ug/L	all year
Acenaphthene	daily maximum	≤ 100 ug/L	all year
Acenaphthene	daily maximum	≤ 100 ug/L	all year
Acrolein	daily maximum	≤ 100 ug/L	all year
Acrolein	daily maximum	≤ 100 ug/L	all year
Acrylonitrile	daily maximum	≤ 100 ug/L	all year
Acrylonitrile	daily maximum	≤ 100 ug/L	all year
Anthracene	daily maximum	≤ 100 ug/L	all year
Anthracene	daily maximum	≤ 100 ug/L	all year
Benzo[b]fluoranthene	daily maximum	≤ 100 ug/L	all year
Benzo[b]fluoranthene	daily maximum	≤ 100 ug/L	all year
Benzo[k]fluoranthene	daily maximum	≤ 100 ug/L	all year
Benzo[k]fluoranthene	daily maximum	≤ 100 ug/L	all year
Benzo[a]pyrene	daily maximum	≤ 100 ug/L	all year
Benzo[a]pyrene	daily maximum	≤ 100 ug/L	all year
Bis[2-chloroethyl] ether	daily maximum	≤ 100 ug/L	all year
Bis[2-chloroethyl] ether	daily maximum	≤ 100 ug/L	all year
Bis[2-chloroethoxy]methane	daily maximum	≤ 100 ug/L	all year
Bis[2-chloroethoxy]methane	daily maximum	≤ 100 ug/L	all year
Bis[2-chloroisopropyl] ether	daily maximum	≤ 100 ug/L	all year
Bis[2-chloroisopropyl] ether	daily maximum	≤ 100 ug/L	all year
Butyl benzyl phthalate	daily maximum	≤ 100 ug/L	all year
Butyl benzyl phthalate	daily maximum	≤ 100 ug/L	all year
Chlorobenzene	daily maximum	≤ 100 ug/L	all year
Chlorobenzene	daily maximum	≤ 100 ug/L	all year
Chrysene	daily maximum	≤ 100 ug/L	all year
Chrysene	daily maximum	≤ 100 ug/L	all year
Diethyl phthalate	daily maximum	≤ 100 ug/L	all year
Diethyl phthalate	daily maximum	≤ 100 ug/L	all year
Dimethyl phthalate	daily maximum	≤ 100 ug/L	all year
Dimethyl phthalate	daily maximum	≤ 100 ug/L	all year
1,2-Diphenylhydrazine	daily maximum	≤ 100 ug/L	all year
1,2-Diphenylhydrazine	daily maximum	≤ 100 ug/L	all year
Endosulfan sulfate	daily maximum	≤ 10 ug/L	all year
Endosulfan sulfate	daily maximum	≤ 10 ug/L	all year
.beta.-Endosulfan	daily maximum	≤ 10 ug/L	all year
.beta.-Endosulfan	daily maximum	≤ 10 ug/L	all year
.alpha.-Endosulfan	daily maximum	≤ 10 ug/L	all year
.alpha.-Endosulfan	daily maximum	≤ 10 ug/L	all year
Endrin aldehyde	daily maximum	≤ 10 ug/L	all year
Endrin aldehyde	daily maximum	≤ 10 ug/L	all year
Ethylbenzene	daily maximum	≤ 100 ug/L	all year
Ethylbenzene	daily maximum	≤ 100 ug/L	all year
Fluoranthene	daily maximum	≤ 100 ug/L	all year
Fluoranthene	daily maximum	≤ 100 ug/L	all year
Fluorene	daily maximum	≤ 100 ug/L	all year
Fluorene	daily maximum	≤ 100 ug/L	all year
Hexachlorocyclopentadiene	daily maximum	≤ 100 ug/L	all year
Hexachlorocyclopentadiene	daily maximum	≤ 100 ug/L	all year
Hexachlorobutadiene	daily maximum	≤ 100 ug/L	all year
Hexachlorobutadiene	daily maximum	≤ 100 ug/L	all year
Hexachloroethane	daily maximum	≤ 100 ug/L	all year
Hexachloroethane	daily maximum	≤ 100 ug/L	all year
Indeno[1,2,3-cd]pyrene	daily maximum	≤ 100 ug/L	all year
Indeno[1,2,3-cd]pyrene	daily maximum	≤ 100 ug/L	all year
Isophorone	daily maximum	≤ 100 ug/L	all year
Isophorone	daily maximum	≤ 100 ug/L	all year
Methyl bromide [Bromomethane]	daily maximum	≤ 100 ug/L	all year
Methyl bromide [Bromomethane]	daily maximum	≤ 100 ug/L	all year
Methyl chloride [Chloromethane]	daily maximum	≤ 100 ug/L	all year
Methyl chloride [Chloromethane]	daily maximum	≤ 100 ug/L	all year
Methylene chloride	daily maximum	≤ 100 ug/L	all year
Methylene chloride	daily maximum	≤ 100 ug/L	all year
N-Nitrosodi-N-propylamine	daily maximum	≤ 100 ug/L	all year
N-Nitrosodi-N-propylamine	daily maximum	≤ 100 ug/L	all year
N-Nitrosodiphenylamine	daily maximum	≤ 100 ug/L	all year
N-Nitrosodiphenylamine	daily maximum	≤ 100 ug/L	all year
N-Nitrosodimethylamine [NDMA]	daily maximum	≤ 100 ug/L	all year
N-Nitrosodimethylamine [NDMA]	daily maximum	≤ 100 ug/L	all year
Nitrobenzene	daily maximum	≤ 100 ug/L	all year
Nitrobenzene	daily maximum	≤ 100 ug/L	all year
para-Chloro-meta-cresol	daily maximum	≤ 100 ug/L	all year
para-Chloro-meta-cresol	daily maximum	≤ 100 ug/L	all year
Phenanthrene	daily maximum	≤ 100 ug/L	all year
Phenanthrene	daily maximum	≤ 100 ug/L	all year
Pyrene	daily maximum	≤ 100 ug/L	all year
Pyrene	daily maximum	≤ 100 ug/L	all year
Tetrachloroethylene	daily maximum	≤ 100 ug/L	all year
Tetrachloroethylene	daily maximum	≤ 100 ug/L	all year
1,1-Dichloroethane	daily maximum	≤ 100 ug/L	all year
1,1-Dichloroethane	daily maximum	≤ 100 ug/L	all year
1,1-Dichloroethylene	daily maximum	≤ 100 ug/L	all year
1,1-Dichloroethylene	daily maximum	≤ 100 ug/L	all year
1,1,1-Trichloroethane	daily maximum	≤ 100 ug/L	all year
1,1,1-Trichloroethane	daily maximum	≤ 100 ug/L	all year
1,1,2-Trichloroethane	daily maximum	≤ 100 ug/L	all year
1,1,2-Trichloroethane	daily maximum	≤ 100 ug/L	all year
1,1,2,2-Tetrachloroethane	daily maximum	≤ 100 ug/L	all year
1,1,2,2-Tetrachloroethane	daily maximum	≤ 100 ug/L	all year
Benzo[ghi]perylene	daily maximum	≤ 100 ug/L	all year
Benzo[ghi]perylene	daily maximum	≤ 100 ug/L	all year
Benzo[a]anthracene	daily maximum	≤ 100 ug/L	all year
Benzo[a]anthracene	daily maximum	≤ 100 ug/L	all year
1,2-Dichlorobenzene	daily maximum	≤ 100 ug/L	all year
1,2-Dichlorobenzene	daily maximum	≤ 100 ug/L	all year
1,2-Dichloropropane	daily maximum	≤ 100 ug/L	all year
1,2-Dichloropropane	daily maximum	≤ 100 ug/L	all year
trans-1,2-Dichloroethylene	daily maximum	≤ 100 ug/L	all year
trans-1,2-Dichloroethylene	daily maximum	≤ 100 ug/L	all year
1,2,4-Trichlorobenzene	daily maximum	≤ 100 ug/L	all year
1,2,4-Trichlorobenzene	daily maximum	≤ 100 ug/L	all year
Dibenz[a,h]anthracene	daily maximum	≤ 100 ug/L	all year
Dibenz[a,h]anthracene	daily maximum	≤ 100 ug/L	all year
1,3-Dichlorobenzene	daily maximum	≤ 100 ug/L	all year
1,3-Dichlorobenzene	daily maximum	≤ 100 ug/L	all year
1,4-Dichlorobenzene	daily maximum	≤ 100 ug/L	all year
1,4-Dichlorobenzene	daily maximum	≤ 100 ug/L	all year
2-Chloroethyl vinyl ether, [mixed]	daily maximum	≤ 100 ug/L	all year
2-Chloroethyl vinyl ether, [mixed]	daily maximum	≤ 100 ug/L	all year
2-Chloronaphthalene	daily maximum	≤ 100 ug/L	all year
2-Chloronaphthalene	daily maximum	≤ 100 ug/L	all year
2-Chlorophenol	daily maximum	≤ 100 ug/L	all year
2-Chlorophenol	daily maximum	≤ 100 ug/L	all year
2-Nitrophenol	daily maximum	≤ 100 ug/L	all year
2-Nitrophenol	daily maximum	≤ 100 ug/L	all year
Di-n-octyl phthalate	daily maximum	≤ 100 ug/L	all year
Di-n-octyl phthalate	daily maximum	≤ 100 ug/L	all year
2,4-Dichlorophenol	daily maximum	≤ 100 ug/L	all year
2,4-Dichlorophenol	daily maximum	≤ 100 ug/L	all year
2,4-Dimethylphenol	daily maximum	≤ 100 ug/L	all year
2,4-Dimethylphenol	daily maximum	≤ 100 ug/L	all year
2,4-Dinitrotoluene	daily maximum	≤ 100 mg/L	all year
2,4-Dinitrotoluene	daily maximum	≤ 100 mg/L	all year
2,4-Dinitrophenol	daily maximum	≤ 100 ug/L	all year
2,4-Dinitrophenol	daily maximum	≤ 100 ug/L	all year
2,4,6-Trichlorophenol	daily maximum	≤ 100 ug/L	all year
2,4,6-Trichlorophenol	daily maximum	≤ 100 ug/L	all year
2,6-Dinitrotoluene	daily maximum	≤ 100 mg/L	all year
2,6-Dinitrotoluene	daily maximum	≤ 100 mg/L	all year
3,3'-Dichlorobenzidine	daily maximum	≤ 100 ug/L	all year
3,3'-Dichlorobenzidine	daily maximum	≤ 100 ug/L	all year
4-Bromophenyl phenyl ether	daily maximum	≤ 100 ug/L	all year
4-Bromophenyl phenyl ether	daily maximum	≤ 100 ug/L	all year
4-Chlorophenyl phenyl ether	daily maximum	≤ 100 ug/L	all year
4-Chlorophenyl phenyl ether	daily maximum	≤ 100 ug/L	all year
4-Nitrophenol	daily maximum	≤ 100 ug/L	all year
4-Nitrophenol	daily maximum	≤ 100 ug/L	all year
4,6-Dinitro-o-cresol	daily maximum	≤ 100 ug/L	all year
4,6-Dinitro-o-cresol	daily maximum	≤ 100 ug/L	all year
PCB-1016	daily maximum	≤ 0 ug/L	all year
PCB-1016	daily maximum	≤ 0 ug/L	all year
2,3,7,8-Tetrachlorodibenzo-p-dioxin	daily maximum	≤ 5 ug/L	all year
2,3,7,8-Tetrachlorodibenzo-p-dioxin	daily maximum	≤ 5 ug/L	all year
Phenol	daily maximum	≤ 100 ug/L	all year
Phenol	daily maximum	≤ 100 ug/L	all year
Naphthalene	daily maximum	≤ 100 ug/L	all year
Naphthalene	daily maximum	≤ 100 ug/L	all year
Pentachlorophenol	daily maximum	≤ 100 ug/L	all year
Pentachlorophenol	daily maximum	≤ 100 ug/L	all year
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 100 ug/L	all year
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 100 ug/L	all year
Di-n-butyl phthalate	daily maximum	≤ 100 ug/L	all year
Di-n-butyl phthalate	daily maximum	≤ 100 ug/L	all year
Benzidine	daily maximum	≤ 100 ug/L	all year
Benzidine	daily maximum	≤ 100 ug/L	all year
Vinyl chloride	daily maximum	≤ 100 ug/L	all year
Vinyl chloride	daily maximum	≤ 100 ug/L	all year
Trichloroethylene	daily maximum	≤ 100 ug/L	all year
Trichloroethylene	daily maximum	≤ 100 ug/L	all year
4,4'-DDT	daily maximum	≤ 10 ug/L	all year
4,4'-DDT	daily maximum	≤ 10 ug/L	all year
4,4'-DDD	daily maximum	≤ 10 ug/L	all year
4,4'-DDD	daily maximum	≤ 10 ug/L	all year
4,4'-DDE	daily maximum	≤ 10 ug/L	all year
4,4'-DDE	daily maximum	≤ 10 ug/L	all year
Aldrin	daily maximum	≤ 10 ug/L	all year
Aldrin	daily maximum	≤ 10 ug/L	all year
.alpha.-BHC	daily maximum	≤ 10 ug/L	all year
.alpha.-BHC	daily maximum	≤ 10 ug/L	all year
.beta.-BHC	daily maximum	≤ 10 ug/L	all year
.beta.-BHC	daily maximum	≤ 10 ug/L	all year
.gamma.-BHC	daily maximum	≤ 10 ug/L	all year
.gamma.-BHC	daily maximum	≤ 10 ug/L	all year
Dieldrin	daily maximum	≤ 10 ug/L	all year
Dieldrin	daily maximum	≤ 10 ug/L	all year
Endrin	daily maximum	≤ 5 ug/L	all year
Endrin	daily maximum	≤ 5 ug/L	all year
Toxaphene	daily maximum	≤ 10 ug/L	all year
Toxaphene	daily maximum	≤ 10 ug/L	all year
Heptachlor	daily maximum	≤ 10 ug/L	all year
Heptachlor	daily maximum	≤ 10 ug/L	all year
Heptachlor epoxide	daily maximum	≤ 10 ug/L	all year
Heptachlor epoxide	daily maximum	≤ 10 ug/L	all year
PCB-1221	daily maximum	≤ 0 ug/L	all year
PCB-1221	daily maximum	≤ 0 ug/L	all year
PCB-1232	daily maximum	≤ 0 ug/L	all year
PCB-1232	daily maximum	≤ 0 ug/L	all year
PCB-1242	daily maximum	≤ 0 ug/L	all year
PCB-1242	daily maximum	≤ 0 ug/L	all year
PCB-1248	daily maximum	≤ 0 ug/L	all year
PCB-1248	daily maximum	≤ 0 ug/L	all year
PCB-1254	daily maximum	≤ 0 ug/L	all year
PCB-1254	daily maximum	≤ 0 ug/L	all year
PCB-1260	daily maximum	≤ 0 ug/L	all year
PCB-1260	daily maximum	≤ 0 ug/L	all year
Hexachlorobenzene	daily maximum	≤ 100 ug/L	all year
Hexachlorobenzene	daily maximum	≤ 100 ug/L	all year
BTEX	daily maximum	≤ 250 ug/L	all year
BTEX	daily maximum	≤ 250 ug/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Chlordane	daily maximum	≤ 10 ug/L	all year
Chlordane	daily maximum	≤ 10 ug/L	all year
1,3-Dichloropropylene	daily maximum	≤ 100 ug/L	all year
1,3-Dichloropropylene	daily maximum	≤ 100 ug/L	all year
Mercury, total [as Hg]	daily maximum	≤ 10 ug/L	all year
Mercury, total [as Hg]	daily maximum	≤ 10 ug/L	all year
Dichlorodibromomethane	daily maximum	≤ 100 ug/L	all year
Dichlorodibromomethane	daily maximum	≤ 100 ug/L	all year
Chloroethane	daily maximum	≤ 100 ug/L	all year
Chloroethane	daily maximum	≤ 100 ug/L	all year

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/LA0103462 · MCP: https://passage-data.com/mcp