Mexichem Fluor Inc. — NPDES permit LA0062090: limits, due date and EPA's record

Industrial Organic Chemicals, Saint Gabriel, Louisiana. NPDES permit LA0062090, in force until Feb 28, 2031. Last 12 months: no values over a limit, 99 required values missing, 24 of 38 reports late. Source: EPA ECHO, Oct 22, 2026.

Limits in force (181)

Parameter	Statistic	Limit	Months	Outfall
BOD, 5-day, 20 deg. C	monthly average	≤ 96 lb/d	all year	003
BOD, 5-day, 20 deg. C	daily maximum	≤ 255 lb/d	all year	003
pH	minimum	report only (SU)	all year	003
pH	minimum	report only (SU)	all year	003
pH	maximum	report only (SU)	all year	003
pH	maximum	report only (SU)	all year	003
Solids, total suspended	monthly average	≤ 121 lb/d	all year	003
Solids, total suspended	monthly average	≤ 121 lb/d	all year	003
Solids, total suspended	daily maximum	≤ 390 lb/d	all year	003
Solids, total suspended	daily maximum	≤ 390 lb/d	all year	003
Fluoride, total [as F]	monthly average	≤ 109.18 lb/d	all year	003
Fluoride, total [as F]	monthly average	≤ 109.18 lb/d	all year	003
Fluoride, total [as F]	daily maximum	≤ 226.6 lb/d	all year	003
Fluoride, total [as F]	daily maximum	≤ 226.6 lb/d	all year	003
Arsenic, total [as As]	monthly average	≤ 2.06 lb/d	all year	003
Arsenic, total [as As]	monthly average	≤ 2.06 lb/d	all year	003
Arsenic, total [as As]	daily maximum	≤ 6.18 lb/d	all year	003
Arsenic, total [as As]	daily maximum	≤ 6.18 lb/d	all year	003
Chromium, total [as Cr]	monthly average	≤ 2.29 lb/d	all year	003
Chromium, total [as Cr]	monthly average	≤ 2.29 lb/d	all year	003
Chromium, total [as Cr]	daily maximum	≤ 5.71 lb/d	all year	003
Chromium, total [as Cr]	daily maximum	≤ 5.71 lb/d	all year	003
Zinc, total [as Zn]	monthly average	≤ 2.16 lb/d	all year	003
Zinc, total [as Zn]	monthly average	≤ 2.16 lb/d	all year	003
Zinc, total [as Zn]	daily maximum	≤ 5.38 lb/d	all year	003
Zinc, total [as Zn]	daily maximum	≤ 5.38 lb/d	all year	003
Carbon tetrachloride	monthly average	≤ .29 lb/d	all year	003
Carbon tetrachloride	daily maximum	≤ .78 lb/d	all year	003
1,2-Dichloroethane	monthly average	≤ .37 lb/d	all year	003
1,2-Dichloroethane	daily maximum	≤ 1.18 lb/d	all year	003
Chloroform	monthly average	≤ .23 lb/d	all year	003
Chloroform	daily maximum	≤ .67 lb/d	all year	003
Toluene	monthly average	≤ .06 lb/d	all year	003
Toluene	daily maximum	≤ .15 lb/d	all year	003
Benzene	monthly average	≤ .12 lb/d	all year	003
Benzene	daily maximum	≤ .28 lb/d	all year	003
Acenaphthylene	monthly average	≤ .04 lb/d	all year	003
Acenaphthylene	daily maximum	≤ .1 lb/d	all year	003
Acenaphthene	monthly average	≤ .04 lb/d	all year	003
Acenaphthene	daily maximum	≤ .1 lb/d	all year	003
Acrylonitrile	monthly average	≤ .19 lb/d	all year	003
Acrylonitrile	daily maximum	≤ .48 lb/d	all year	003
Anthracene	monthly average	≤ .04 lb/d	all year	003
Anthracene	daily maximum	≤ .1 lb/d	all year	003
Benzo[b]fluoranthene	monthly average	≤ .04 lb/d	all year	003
Benzo[b]fluoranthene	daily maximum	≤ .1 lb/d	all year	003
Benzo[k]fluoranthene	monthly average	≤ .04 lb/d	all year	003
Benzo[k]fluoranthene	daily maximum	≤ .1 lb/d	all year	003
Benzo[a]pyrene	monthly average	≤ .04 lb/d	all year	003
Benzo[a]pyrene	daily maximum	≤ .1 lb/d	all year	003
Chlorobenzene	monthly average	≤ .29 lb/d	all year	003
Chlorobenzene	daily maximum	≤ .78 lb/d	all year	003
Chrysene	monthly average	≤ .04 lb/d	all year	003
Chrysene	daily maximum	≤ .1 lb/d	all year	003
Diethyl phthalate	monthly average	≤ .09 lb/d	all year	003
Diethyl phthalate	daily maximum	≤ .23 lb/d	all year	003
Dimethyl phthalate	monthly average	≤ .04 lb/d	all year	003
Dimethyl phthalate	daily maximum	≤ .1 lb/d	all year	003
Ethylbenzene	monthly average	≤ .29 lb/d	all year	003
Ethylbenzene	daily maximum	≤ .78 lb/d	all year	003
Fluoranthene	monthly average	≤ .05 lb/d	all year	003
Fluoranthene	daily maximum	≤ .11 lb/d	all year	003
Fluorene	monthly average	≤ .4 lb/d	all year	003
Fluorene	daily maximum	≤ .1 lb/d	all year	003
Hexachlorobutadiene	monthly average	≤ .29 lb/d	all year	003
Hexachlorobutadiene	daily maximum	≤ .78 lb/d	all year	003
Hexachloroethane	monthly average	≤ .4 lb/d	all year	003
Hexachloroethane	daily maximum	≤ 1.64 lb/d	all year	003
Methyl chloride [Chloromethane]	monthly average	≤ .23 lb/d	all year	003
Methyl chloride [Chloromethane]	daily maximum	≤ .61 lb/d	all year	003
Methylene chloride	monthly average	≤ .07 lb/d	all year	003
Methylene chloride	daily maximum	≤ .35 lb/d	all year	003
Nitrobenzene	monthly average	≤ 4.61 lb/d	all year	003
Nitrobenzene	daily maximum	≤ 13.19 lb/d	all year	003
Phenanthrene	monthly average	≤ .04 lb/d	all year	003
Phenanthrene	daily maximum	≤ .1 lb/d	all year	003
Pyrene	monthly average	≤ .04 lb/d	all year	003
Pyrene	daily maximum	≤ .1 lb/d	all year	003
Tetrachloroethylene	monthly average	≤ .11 lb/d	all year	003
Tetrachloroethylene	daily maximum	≤ .34 lb/d	all year	003
1,1-Dichloroethane	monthly average	≤ .05 lb/d	all year	003
1,1-Dichloroethane	daily maximum	≤ .12 lb/d	all year	003
1,1-Dichloroethylene	monthly average	≤ .05 lb/d	all year	003
1,1-Dichloroethylene	daily maximum	≤ .12 lb/d	all year	003
1,1,1-Trichloroethane	monthly average	≤ .05 lb/d	all year	003
1,1,1-Trichloroethane	daily maximum	≤ .12 lb/d	all year	003
1,1,2-Trichloroethane	monthly average	≤ .07 lb/d	all year	003
1,1,2-Trichloroethane	daily maximum	≤ .26 lb/d	all year	003
Benzo[a]anthracene	monthly average	≤ .04 lb/d	all year	003
Benzo[a]anthracene	daily maximum	≤ .1 lb/d	all year	003
1,2-Dichlorobenzene	monthly average	≤ .4 lb/d	all year	003
1,2-Dichlorobenzene	daily maximum	≤ 1.64 lb/d	all year	003
1,2-Dichloropropane	monthly average	≤ .4 lb/d	all year	003
1,2-Dichloropropane	daily maximum	≤ 1.64 lb/d	all year	003
trans-1,2-Dichloroethylene	monthly average	≤ .05 lb/d	all year	003
trans-1,2-Dichloroethylene	daily maximum	≤ .14 lb/d	all year	003
1,2,4-Trichlorobenzene	monthly average	≤ .4 lb/d	all year	003
1,2,4-Trichlorobenzene	daily maximum	≤ 1.64 lb/d	all year	003
1,3-Dichlorobenzene	monthly average	≤ .29 lb/d	all year	003
1,3-Dichlorobenzene	daily maximum	≤ .78 lb/d	all year	003
1,4-Dichlorobenzene	monthly average	≤ .29 lb/d	all year	003
1,4-Dichlorobenzene	daily maximum	≤ .78 lb/d	all year	003
2-Nitrophenol	monthly average	≤ .13 lb/d	all year	003
2-Nitrophenol	daily maximum	≤ .48 lb/d	all year	003
2,4-Dimethylphenol	monthly average	≤ .04 lb/d	all year	003
2,4-Dimethylphenol	daily maximum	≤ .1 lb/d	all year	003
2,4-Dinitrophenol	monthly average	≤ 2.49 lb/d	all year	003
2,4-Dinitrophenol	daily maximum	≤ 8.84 lb/d	all year	003
4-Nitrophenol	monthly average	≤ .33 lb/d	all year	003
4-Nitrophenol	daily maximum	≤ 1.19 lb/d	all year	003
4,6-Dinitro-o-cresol	monthly average	≤ .16 lb/d	all year	003
4,6-Dinitro-o-cresol	daily maximum	≤ .57 lb/d	all year	003
Phenol	monthly average	≤ .04 lb/d	all year	003
Phenol	daily maximum	≤ .1 lb/d	all year	003
Naphthalene	monthly average	≤ .04 lb/d	all year	003
Naphthalene	daily maximum	≤ .1 lb/d	all year	003
Di[2-ethylhexyl] phthalate [DEHP]	monthly average	≤ .2 lb/d	all year	003
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ .53 lb/d	all year	003
Di-n-butyl phthalate	monthly average	≤ .045 lb/d	all year	003
Di-n-butyl phthalate	daily maximum	≤ .09 lb/d	all year	003
Vinyl chloride	monthly average	≤ .2 lb/d	all year	003
Vinyl chloride	daily maximum	≤ .35 lb/d	all year	003
Trichloroethylene	monthly average	≤ .05 lb/d	all year	003
Trichloroethylene	daily maximum	≤ .14 lb/d	all year	003
Hexachlorobenzene	monthly average	≤ .02 lb/d	all year	003
Hexachlorobenzene	daily maximum	≤ .05 lb/d	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	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
1,3-Dichloropropylene	monthly average	≤ .4 lb/d	all year	003
1,3-Dichloropropylene	daily maximum	≤ 1.64 lb/d	all year	003
pH range excursions, > 60 minutes	monthly total	≤ 0 occur/mo	all year	003
pH range excursions, > 60 minutes	monthly total	≤ 0 occur/mo	all year	003
pH range excursions, monthly total accum	monthly total	≤ 446 min	all year	003
pH range excursions, monthly total accum	monthly total	≤ 446 min	all year	003
Chloroethane	monthly average	≤ .23 lb/d	all year	003
Chloroethane	daily maximum	≤ .61 lb/d	all year	003
pH	minimum	report only (SU)	all year	004
pH	minimum	report only (SU)	all year	004
pH	maximum	report only (SU)	all year	004
pH	maximum	report only (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	monthly average	report only (MGD)	all year	004
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	004
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	004
pH range excursions, > 60 minutes	monthly total	≤ 0 occur/mo	all year	004
pH range excursions, > 60 minutes	monthly total	≤ 0 occur/mo	all year	004
pH range excursions, monthly total accum	monthly total	≤ 446 min	all year	004
pH range excursions, monthly total accum	monthly total	≤ 446 min	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	108
pH	instantaneous maximum	≤ 9 SU	all year	108
Solids, total suspended	monthly average	≤ 90 mg/L	all year	108
Solids, total suspended	daily maximum	≤ 90 mg/L	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/LA0062090 · MCP: https://passage-data.com/mcp