Linde, Inc. - Geismar Facility — NPDES permit LA0097161: limits, due date and EPA's record

Industrial Gases, Geismar, Louisiana. NPDES permit LA0097161 expired Mar 31, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (148)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	001
BOD, 5-day, 20 deg. C	daily maximum	≤ 80 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	≤ 46 ug/L	all year	001
Solids, total suspended	daily maximum	≤ 149 ug/L	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
Copper, total [as Cu]	monthly average	report only (ug/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (ug/L)	all year	001
Zinc, total [as Zn]	monthly average	report only (ug/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (ug/L)	all year	001
Carbon tetrachloride	monthly average	≤ 2.5 ug/L	all year	001
Carbon tetrachloride	daily maximum	≤ 6 ug/L	all year	001
1,2-Dichloroethane	monthly average	≤ 14.3 ug/L	all year	001
1,2-Dichloroethane	daily maximum	≤ 34 ug/L	all year	001
Chloroform	monthly average	≤ 111 ug/L	all year	001
Chloroform	daily maximum	≤ 325 ug/L	all year	001
Toluene	monthly average	≤ 28 ug/L	all year	001
Toluene	daily maximum	≤ 74 ug/L	all year	001
Benzene	monthly average	≤ 13.9 ug/L	all year	001
Benzene	daily maximum	≤ 33 ug/L	all year	001
Acenaphthylene	monthly average	≤ 19 ug/L	all year	001
Acenaphthylene	daily maximum	≤ 47 ug/L	all year	001
Acenaphthene	monthly average	≤ 19 ug/L	all year	001
Acenaphthene	daily maximum	≤ 47 ug/L	all year	001
Acrylonitrile	monthly average	≤ 94 ug/L	all year	001
Acrylonitrile	daily maximum	≤ 232 ug/L	all year	001
Anthracene	monthly average	≤ 19 ug/L	all year	001
Anthracene	daily maximum	≤ 47 ug/L	all year	001
Benzo[b]fluoranthene	monthly average	≤ 20 ug/L	all year	001
Benzo[b]fluoranthene	daily maximum	≤ 48 ug/L	all year	001
Benzo[k]fluoranthene	monthly average	≤ 19 ug/L	all year	001
Benzo[k]fluoranthene	daily maximum	≤ 47 ug/L	all year	001
Benzo[a]pyrene	monthly average	≤ 20 ug/L	all year	001
Benzo[a]pyrene	daily maximum	≤ 48 ug/L	all year	001
Chlorobenzene	monthly average	≤ 142 ug/L	all year	001
Chlorobenzene	daily maximum	≤ 380 ug/L	all year	001
Chrysene	monthly average	≤ 19 ug/L	all year	001
Chrysene	daily maximum	≤ 47 ug/L	all year	001
Diethyl phthalate	monthly average	≤ 46 ug/L	all year	001
Diethyl phthalate	daily maximum	≤ 113 ug/L	all year	001
Dimethyl phthalate	monthly average	≤ 19 ug/L	all year	001
Dimethyl phthalate	daily maximum	≤ 47 ug/L	all year	001
Ethylbenzene	monthly average	≤ 142 ug/L	all year	001
Ethylbenzene	daily maximum	≤ 380 ug/L	all year	001
Fluoranthene	monthly average	≤ 22 ug/L	all year	001
Fluoranthene	daily maximum	≤ 54 ug/L	all year	001
Fluorene	monthly average	≤ 19 ug/L	all year	001
Fluorene	daily maximum	≤ 47 ug/L	all year	001
Hexachlorobutadiene	monthly average	≤ .23 ug/L	all year	001
Hexachlorobutadiene	daily maximum	≤ .55 ug/L	all year	001
Hexachloroethane	monthly average	≤ 196 ug/L	all year	001
Hexachloroethane	daily maximum	≤ 794 ug/L	all year	001
Methyl chloride [Chloromethane]	monthly average	≤ 110 ug/L	all year	001
Methyl chloride [Chloromethane]	daily maximum	≤ 295 ug/L	all year	001
Methylene chloride	monthly average	≤ 36 ug/L	all year	001
Methylene chloride	daily maximum	≤ 170 ug/L	all year	001
Nitrobenzene	monthly average	≤ 2237 ug/L	all year	001
Nitrobenzene	daily maximum	≤ 6402 ug/L	all year	001
Phenanthrene	monthly average	≤ 19 ug/L	all year	001
Phenanthrene	daily maximum	≤ 47 ug/L	all year	001
Pyrene	monthly average	≤ 20 ug/L	all year	001
Pyrene	daily maximum	≤ 48 ug/L	all year	001
Tetrachloroethylene	monthly average	≤ 5.3 ug/L	all year	001
Tetrachloroethylene	daily maximum	≤ 12.5 ug/L	all year	001
1,1-Dichloroethane	monthly average	≤ 22 ug/L	all year	001
1,1-Dichloroethane	daily maximum	≤ 59 ug/L	all year	001
1,1-Dichloroethylene	monthly average	≤ 1.2 ug/L	all year	001
1,1-Dichloroethylene	daily maximum	≤ 2.9 ug/L	all year	001
1,1,1-Trichloroethane	monthly average	≤ 22 ug/L	all year	001
1,1,1-Trichloroethane	daily maximum	≤ 59 ug/L	all year	001
1,1,2-Trichloroethane	monthly average	≤ 14.5 ug/L	all year	001
1,1,2-Trichloroethane	daily maximum	≤ 34.5 ug/L	all year	001
Benzo[a]anthracene	monthly average	≤ 19 ug/L	all year	001
Benzo[a]anthracene	daily maximum	≤ 47 ug/L	all year	001
1,2-Dichlorobenzene	monthly average	≤ 196 ug/L	all year	001
1,2-Dichlorobenzene	daily maximum	≤ 794 ug/L	all year	001
1,2-Dichloropropane	monthly average	≤ 196 ug/L	all year	001
1,2-Dichloropropane	daily maximum	≤ 794 ug/L	all year	001
trans-1,2-Dichloroethylene	monthly average	≤ 25 ug/L	all year	001
trans-1,2-Dichloroethylene	daily maximum	≤ 66 ug/L	all year	001
1,2,4-Trichlorobenzene	monthly average	≤ 196 ug/L	all year	001
1,2,4-Trichlorobenzene	daily maximum	≤ 794 ug/L	all year	001
1,3-Dichlorobenzene	monthly average	≤ 142 ug/L	all year	001
1,3-Dichlorobenzene	daily maximum	≤ 380 ug/L	all year	001
1,4-Dichlorobenzene	monthly average	≤ 142 ug/L	all year	001
1,4-Dichlorobenzene	daily maximum	≤ 380 ug/L	all year	001
2-Nitrophenol	monthly average	≤ 65 ug/L	all year	001
2-Nitrophenol	daily maximum	≤ 231 ug/L	all year	001
2,4-Dimethylphenol	monthly average	≤ 19 ug/L	all year	001
2,4-Dimethylphenol	daily maximum	≤ 47 ug/L	all year	001
2,4-Dinitrophenol	monthly average	≤ 1207 ug/L	all year	001
2,4-Dinitrophenol	daily maximum	≤ 4291 ug/L	all year	001
4-Nitrophenol	monthly average	≤ 162 ug/L	all year	001
4-Nitrophenol	daily maximum	≤ 576 ug/L	all year	001
4,6-Dinitro-o-cresol	monthly average	≤ 78 ug/L	all year	001
4,6-Dinitro-o-cresol	daily maximum	≤ 277 ug/L	all year	001
Phenol	monthly average	≤ 19 ug/L	all year	001
Phenol	daily maximum	≤ 47 ug/L	all year	001
Naphthalene	monthly average	≤ 19 ug/L	all year	001
Naphthalene	daily maximum	≤ 47 ug/L	all year	001
Di[2-ethylhexyl] phthalate [DEHP]	monthly average	≤ 95 ug/L	all year	001
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 258 ug/L	all year	001
Di-n-butyl phthalate	monthly average	≤ 20 ug/L	all year	001
Di-n-butyl phthalate	daily maximum	≤ 43 ug/L	all year	001
Vinyl chloride	monthly average	≤ .95 ug/L	all year	001
Vinyl chloride	daily maximum	≤ 2.25 ug/L	all year	001
Trichloroethylene	monthly average	≤ 26 ug/L	all year	001
Trichloroethylene	daily maximum	≤ 69 ug/L	all year	001
Hexachlorobenzene	monthly average	≤ .0005 ug/L	all year	001
Hexachlorobenzene	daily maximum	≤ .0013 ug/L	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Chlorine, total residual	daily maximum	≤ 1.5 mg/L	all year	001
1,3-Dichloropropene	monthly average	≤ 6.1 mg/L	all year	001
1,3-Dichloropropene	daily maximum	≤ 14.6 mg/L	all year	001
Chloroethane	monthly average	≤ 110 ug/L	all year	001
Chloroethane	daily maximum	≤ 295 ug/L	all year	001
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 (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
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	011
pH	instantaneous maximum	≤ 9 SU	all year	011
Oil & Grease	daily maximum	≤ 15 mg/L	all year	011
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	011
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	011
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	011
Temperature, water deg. fahrenheit	instantaneous maximum	report only (deg F)	all year	012
pH	instantaneous minimum	≥ 6 SU	all year	012
pH	instantaneous maximum	≤ 9 SU	all year	012
Oil & Grease	daily maximum	≤ 15 mg/L	all year	012
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	012
Zinc, total [as Zn]	monthly average	report only (mg/L)	all year	012
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	012
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	012
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	012
Chlorine, total residual	daily maximum	≤ 1.5 mg/L	all year	012

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/LA0097161 · MCP: https://passage-data.com/mcp