Gulf Coast Chemical Inc. — NPDES permit LA0104566: limits, due date and EPA's record

Chemicals & Allied Products, Abbeville, Louisiana. NPDES permit LA0104566, in force until Dec 31, 2026. Last 12 months: no values over a limit, 14 required values missing. Source: EPA ECHO, Oct 22, 2026.

Limits in force (205)

Parameter	Statistic	Limit	Months	Outfall
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year	001
Oxygen demand, chem. [high level] [COD]	daily maximum	≤ 150 mg/L	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
Solids, total suspended	monthly average	≤ 30 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 45 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
Coliform, fecal general	monthly geometric mean	≤ 200 #/100mL	all year	001
Coliform, fecal general	daily maximum	≤ 400 #/100mL	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 (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	003
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year	003
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous maximum	≤ 9 SU	all year	003
Solids, total suspended	monthly average	≤ 30 mg/L	all year	003
Solids, total suspended	daily maximum	≤ 45 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
Coliform, fecal general	monthly geometric mean	≤ 200 #/100mL	all year	003
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	003
pH	instantaneous minimum	≥ 6 SU	all year	004
pH	instantaneous maximum	≤ 9 SU	all year	004
Oil & Grease	daily maximum	≤ 15 mg/L	all year	004
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	004
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	004
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	004
pH	instantaneous minimum	≥ 6 SU	all year	005
pH	instantaneous maximum	≤ 9 SU	all year	005
Oil & Grease	daily maximum	≤ 15 mg/L	all year	005
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	005
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	005
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	005
pH	instantaneous minimum	≥ 6 SU	all year	006
pH	instantaneous maximum	≤ 9 SU	all year	006
Oil & Grease	daily maximum	≤ 15 mg/L	all year	006
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	006
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	006
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	006
pH	instantaneous minimum	≥ 6 SU	all year	007
pH	instantaneous maximum	≤ 9 SU	all year	007
Oil & Grease	daily maximum	≤ 15 mg/L	all year	007
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	007
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	007
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	007
pH	instantaneous minimum	≥ 6 SU	all year	008
pH	instantaneous maximum	≤ 9 SU	all year	008
Oil & Grease	daily maximum	≤ 15 mg/L	all year	008
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	008
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	008
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	008
pH	instantaneous minimum	≥ 6 SU	all year	009
pH	instantaneous maximum	≤ 9 SU	all year	009
Oil & Grease	daily maximum	≤ 15 mg/L	all year	009
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	009
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	009
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	009
pH	instantaneous minimum	≥ 6 SU	all year	104
pH	instantaneous maximum	≤ 9 SU	all year	104
Oil & Grease	daily maximum	≤ 15 mg/L	all year	104
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	104
Cyanide, total [as CN]	daily maximum	≤ 100 ug/L	all year	104
Arsenic, total [as As]	daily maximum	≤ 100 ug/L	all year	104
Beryllium, total [as Be]	daily maximum	≤ 100 ug/L	all year	104
Cadmium, total [as Cd]	daily maximum	≤ 100 ug/L	all year	104
Chromium, total [as Cr]	daily maximum	≤ 150 ug/L	all year	104
Copper, total [as Cu]	daily maximum	≤ 500 ug/L	all year	104
Lead, total [as Pb]	daily maximum	≤ 150 ug/L	all year	104
Thallium, total [as Tl]	daily maximum	≤ 100 ug/L	all year	104
Nickel, total [as Ni]	daily maximum	≤ 500 ug/L	all year	104
Silver, total [as Ag]	daily maximum	≤ 100 ug/L	all year	104
Zinc, total [as Zn]	daily maximum	≤ 1000 ug/L	all year	104
Antimony, total [as Sb]	daily maximum	≤ 600 ug/L	all year	104
Selenium, total [as Se]	daily maximum	≤ 100 ug/L	all year	104
Dichlorobromomethane	daily maximum	≤ 100 ug/L	all year	104
Carbon tetrachloride	daily maximum	≤ 100 ug/L	all year	104
1,2-Dichloroethane	daily maximum	≤ 100 ug/L	all year	104
Bromoform	daily maximum	≤ 100 ug/L	all year	104
Dibromochloromethane	daily maximum	≤ 100 ug/L	all year	104
Chloroform	daily maximum	≤ 100 ug/L	all year	104
Phenolics, total recoverable	daily maximum	≤ 500 ug/L	all year	104
Toluene	daily maximum	≤ 100 ug/L	all year	104
Benzene	daily maximum	≤ 100 ug/L	all year	104
.delta.-BHC	daily maximum	≤ 10 ug/L	all year	104
Acenaphthylene	daily maximum	≤ 100 ug/L	all year	104
Acenaphthene	daily maximum	≤ 100 ug/L	all year	104
Acrolein	daily maximum	≤ 100 ug/L	all year	104
Acrylonitrile	daily maximum	≤ 100 ug/L	all year	104
Anthracene	daily maximum	≤ 100 ug/L	all year	104
Benzo[b]fluoranthene	daily maximum	≤ 100 mg/L	all year	104
Benzo[k]fluoranthene	daily maximum	≤ 100 ug/L	all year	104
Benzo[a]pyrene	daily maximum	≤ 100 ug/L	all year	104
Bis[2-chloroethyl] ether	daily maximum	≤ 100 ug/L	all year	104
Bis[2-chloroethoxy]methane	daily maximum	≤ 100 ug/L	all year	104
Bis[2-chloroisopropyl] ether	daily maximum	≤ 100 mg/L	all year	104
Butyl benzyl phthalate	daily maximum	≤ 100 ug/L	all year	104
Chlorobenzene	daily maximum	≤ 100 ug/L	all year	104
Chrysene	daily maximum	≤ 100 ug/L	all year	104
Diethyl phthalate	daily maximum	≤ 100 ug/L	all year	104
Dimethyl phthalate	daily maximum	≤ 100 ug/L	all year	104
1,2-Diphenylhydrazine	daily maximum	≤ 100 ug/L	all year	104
Endosulfan sulfate	daily maximum	≤ 10 ug/L	all year	104
.beta.-Endosulfan	daily maximum	≤ 10 ug/L	all year	104
.alpha.-Endosulfan	daily maximum	≤ 10 ug/L	all year	104
Endrin aldehyde	daily maximum	≤ 10 ug/L	all year	104
Ethylbenzene	daily maximum	≤ 100 ug/L	all year	104
Fluoranthene	daily maximum	≤ 100 ug/L	all year	104
Fluorene	daily maximum	≤ 100 ug/L	all year	104
Hexachlorocyclopentadiene	daily maximum	≤ 100 ug/L	all year	104
Hexachlorobutadiene	daily maximum	≤ 100 ug/L	all year	104
Hexachloroethane	daily maximum	≤ 100 ug/L	all year	104
Indeno[1,2,3-cd]pyrene	daily maximum	≤ 100 ug/L	all year	104
Isophorone	daily maximum	≤ 100 ug/L	all year	104
Methyl bromide [Bromomethane]	daily maximum	≤ 100 ug/L	all year	104
Methyl chloride [Chloromethane]	daily maximum	≤ 100 ug/L	all year	104
Methylene chloride	daily maximum	≤ 100 ug/L	all year	104
N-Nitrosodi-N-propylamine	daily maximum	≤ 100 ug/L	all year	104
N-Nitrosodiphenylamine	daily maximum	≤ 100 ug/L	all year	104
N-Nitrosodimethylamine [NDMA]	daily maximum	≤ 100 ug/L	all year	104
Nitrobenzene	daily maximum	≤ 100 ug/L	all year	104
para-Chloro-meta-cresol	daily maximum	≤ 100 ug/L	all year	104
Phenanthrene	daily maximum	≤ 100 ug/L	all year	104
Pyrene	daily maximum	≤ 100 ug/L	all year	104
Tetrachloroethylene	daily maximum	≤ 100 ug/L	all year	104
1,1-Dichloroethane	daily maximum	≤ 100 ug/L	all year	104
1,1-Dichloroethylene	daily maximum	≤ 100 ug/L	all year	104
1,1,1-Trichloroethane	daily maximum	≤ 100 ug/L	all year	104
1,1,2-Trichloroethane	daily maximum	≤ 100 ug/L	all year	104
1,1,2,2-Tetrachloroethane	daily maximum	≤ 100 ug/L	all year	104
Benzo[ghi]perylene	daily maximum	≤ 100 mg/L	all year	104
Benzo[a]anthracene	daily maximum	≤ 100 ug/L	all year	104
1,2-Dichlorobenzene	daily maximum	≤ 100 ug/L	all year	104
1,2-Dichloropropane	daily maximum	≤ 100 ug/L	all year	104
trans-1,2-Dichloroethylene	daily maximum	≤ 100 ug/L	all year	104
1,2,4-Trichlorobenzene	daily maximum	≤ 100 ug/L	all year	104
Dibenz[a,h]anthracene	daily maximum	≤ 100 ug/L	all year	104
1,3-Dichlorobenzene	daily maximum	≤ 100 ug/L	all year	104
1,4-Dichlorobenzene	daily maximum	≤ 100 ug/L	all year	104
2-Chloroethyl vinyl ether, [mixed]	daily maximum	≤ 100 ug/L	all year	104
2-Chloronaphthalene	daily maximum	≤ 100 ug/L	all year	104
2-Chlorophenol	daily maximum	≤ 100 ug/L	all year	104
2-Nitrophenol	daily maximum	≤ 100 ug/L	all year	104
Di-n-octyl phthalate	daily maximum	≤ 100 ug/L	all year	104
2,4-Dichlorophenol	daily maximum	≤ 100 ug/L	all year	104
2,4-Dimethylphenol	daily maximum	≤ 100 ug/L	all year	104
2,4-Dinitrotoluene	daily maximum	≤ 100 ug/L	all year	104
2,4-Dinitrophenol	daily maximum	≤ 100 ug/L	all year	104
2,4,6-Trichlorophenol	daily maximum	≤ 100 ug/L	all year	104
2,6-Dinitrotoluene	daily maximum	≤ 100 ug/L	all year	104
3,3'-Dichlorobenzidine	daily maximum	≤ 100 ug/L	all year	104
4-Bromophenyl phenyl ether	daily maximum	≤ 100 ug/L	all year	104
4-Chlorophenyl phenyl ether	daily maximum	≤ 100 ug/L	all year	104
4-Nitrophenol	daily maximum	≤ 100 ug/L	all year	104
4,6-Dinitro-o-cresol	daily maximum	≤ 100 ug/L	all year	104
PCB-1016	daily maximum	≤ 0 ug/L	all year	104
2,3,7,8-Tetrachlorodibenzo-p-dioxin	daily maximum	≤ 5 ug/L	all year	104
Phenol	daily maximum	≤ 100 ug/L	all year	104
Naphthalene	daily maximum	≤ 100 ug/L	all year	104
Pentachlorophenol	daily maximum	≤ 100 ug/L	all year	104
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 100 ug/L	all year	104
Di-n-butyl phthalate	daily maximum	≤ 100 ug/L	all year	104
Benzidine	daily maximum	≤ 100 ug/L	all year	104
Vinyl chloride	daily maximum	≤ 100 ug/L	all year	104
Trichloroethylene	daily maximum	≤ 100 ug/L	all year	104
4,4'-DDT	daily maximum	≤ 10 ug/L	all year	104
4,4'-DDD	daily maximum	≤ 10 ug/L	all year	104
4,4'-DDE	daily maximum	≤ 10 ug/L	all year	104
Aldrin	daily maximum	≤ 10 ug/L	all year	104
.alpha.-BHC	daily maximum	≤ 10 ug/L	all year	104
.beta.-BHC	daily maximum	≤ 10 ug/L	all year	104
.gamma.-BHC	daily maximum	≤ 10 ug/L	all year	104
Dieldrin	daily maximum	≤ 10 ug/L	all year	104
Endrin	daily maximum	≤ 5 ug/L	all year	104
Toxaphene	daily maximum	≤ 10 ug/L	all year	104
Heptachlor	daily maximum	≤ 10 ug/L	all year	104
Heptachlor epoxide	daily maximum	≤ 10 ug/L	all year	104
PCB-1221	daily maximum	≤ 0 ug/L	all year	104
PCB-1232	daily maximum	≤ 0 ug/L	all year	104
PCB-1242	daily maximum	≤ 0 ug/L	all year	104
PCB-1248	daily maximum	≤ 0 ug/L	all year	104
PCB-1254	daily maximum	≤ 0 ug/L	all year	104
PCB-1260	daily maximum	≤ 0 ug/L	all year	104
Hexachlorobenzene	daily maximum	≤ 100 ug/L	all year	104
BTEX	daily maximum	≤ 250 ug/L	all year	104
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	104
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	104
Chlordane	daily maximum	≤ 10 ug/L	all year	104
Mercury, total [as Hg]	daily maximum	≤ 10 ug/L	all year	104
1,3-Dichloropropene	daily maximum	≤ 100 ug/L	all year	104
Chloroethane	daily maximum	≤ 100 ug/L	all year	104
pH	instantaneous minimum	≥ 6 SU	all year	108
pH	instantaneous maximum	≤ 9 SU	all year	108
Oil & Grease	daily maximum	≤ 15 mg/L	all year	108
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	108
Lead, total [as Pb]	daily maximum	≤ 50 ug/L	all year	108
Benzene	daily maximum	≤ 50 ug/L	all year	108
BTEX	daily maximum	≤ 250 ug/L	all year	108
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	108
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	108

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/LA0104566 · MCP: https://passage-data.com/mcp