TotalEnergies Petrochemicals & Refining USA Inc.- CosMar Styrene Monomer Plant

NPDES permit LA0003751 · Major NON-POTW · effective, expires 2031-03-31 · 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
5required values missing, on 3 form(s)
3of 95 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (163)

OutfallParameterStatisticLimitMonths
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
001Coef Of Var Static Renewal 48Hr Acute D. pulexMAXIMUM report only all year
001Coef Of Var Static Renewal 48Hr Acute Pimephales promelasMAXIMUM report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 10 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
002Zinc, total [as Zn]DAILY MX report only all year
002TolueneDAILY MX <= 195 ug/L all year
002BenzeneDAILY MX <= 353 ug/L all year
002EthylbenzeneDAILY MX <= 1000 ug/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedDAILY MX report only all year
004Solids, total suspendedDAILY MX report only all year
004Solids, total suspendedDAILY MX <= 90 mg/L all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
004Lead, total [as Pb]DAILY MX <= 50 ug/L all year
004BenzeneDAILY MX <= 50 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
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
201BOD, 5-day, 20 deg. CMO AVG <= 178 lb/d all year
201BOD, 5-day, 20 deg. CDAILY MX <= 469 lb/d all year
201pHMINIMUM report only all year
201pHMAXIMUM report only all year
201Solids, total suspendedMO AVG <= 419 lb/d all year
201Solids, total suspendedDAILY MX <= 1351 lb/d all year
201Chromium, total [as Cr]MO AVG <= 4.17 lb/d all year
201Chromium, total [as Cr]DAILY MX <= 10.41 lb/d all year
201Zinc, total [as Zn]MO AVG <= 1.95 lb/d all year
201Zinc, total [as Zn]DAILY MX <= 4.06 lb/d all year
201Carbon tetrachlorideMO AVG <= .61 lb/d all year
201Carbon tetrachlorideDAILY MX <= 1.63 lb/d all year
2011,2-DichloroethaneMO AVG <= .77 lb/d all year
2011,2-DichloroethaneDAILY MX <= 2.47 lb/d all year
201ChloroformMO AVG <= .48 lb/d all year
201ChloroformDAILY MX <= 1.4 lb/d all year
201TolueneMO AVG <= .12 lb/d all year
201TolueneDAILY MX <= .32 lb/d all year
201BenzeneMO AVG <= .25 lb/d all year
201BenzeneDAILY MX <= .58 lb/d all year
201AcenaphthyleneMO AVG <= .08 lb/d all year
201AcenaphthyleneDAILY MX <= .2 lb/d all year
201AcenaphtheneMO AVG <= .08 lb/d all year
201AcenaphtheneDAILY MX <= .2 lb/d all year
201AcrylonitrileMO AVG <= .4 lb/d all year
201AcrylonitrileDAILY MX <= 1 lb/d all year
201AnthraceneMO AVG <= .08 lb/d all year
201AnthraceneDAILY MX <= .2 lb/d all year
201Benzo[b]fluorantheneMO AVG <= .09 lb/d all year
201Benzo[b]fluorantheneDAILY MX <= .21 lb/d all year
201Benzo[k]fluorantheneMO AVG <= .08 lb/d all year
201Benzo[k]fluorantheneDAILY MX <= .2 lb/d all year
201Benzo[a]pyreneMO AVG <= .09 lb/d all year
201Benzo[a]pyreneDAILY MX <= .21 lb/d all year
201ChlorobenzeneMO AVG <= .61 lb/d all year
201ChlorobenzeneDAILY MX <= 1.63 lb/d all year
201ChryseneMO AVG <= .08 lb/d all year
201ChryseneDAILY MX <= .2 lb/d all year
201Diethyl phthalateMO AVG <= .2 lb/d all year
201Diethyl phthalateDAILY MX <= .49 lb/d all year
201Dimethyl phthalateMO AVG <= .08 lb/d all year
201Dimethyl phthalateDAILY MX <= .2 lb/d all year
201EthylbenzeneMO AVG <= .61 lb/d all year
201EthylbenzeneDAILY MX <= 1.63 lb/d all year
201FluorantheneMO AVG <= .09 lb/d all year
201FluorantheneDAILY MX <= .23 lb/d all year
201FluoreneMO AVG <= .08 lb/d all year
201FluoreneDAILY MX <= .2 lb/d all year
201HexachlorobutadieneMO AVG <= .61 lb/d all year
201HexachlorobutadieneDAILY MX <= 1.63 lb/d all year
201HexachloroethaneMO AVG <= .84 lb/d all year
201HexachloroethaneDAILY MX <= 3.41 lb/d all year
201Methyl chloride [Chloromethane]MO AVG <= .47 lb/d all year
201Methyl chloride [Chloromethane]DAILY MX <= 1.27 lb/d all year
201Methylene chlorideMO AVG <= .15 lb/d all year
201Methylene chlorideDAILY MX <= .73 lb/d all year
201NitrobenzeneMO AVG <= 9.62 lb/d all year
201NitrobenzeneDAILY MX <= 27.52 lb/d all year
201PhenanthreneMO AVG <= .08 lb/d all year
201PhenanthreneDAILY MX <= .2 lb/d all year
201PyreneMO AVG <= .09 lb/d all year
201PyreneDAILY MX <= .21 lb/d all year
201TetrachloroethyleneMO AVG <= .22 lb/d all year
201TetrachloroethyleneDAILY MX <= .71 lb/d all year
2011,1-DichloroethaneMO AVG <= .09 lb/d all year
2011,1-DichloroethaneDAILY MX <= .25 lb/d all year
2011,1-DichloroethyleneMO AVG <= .09 lb/d all year
2011,1-DichloroethyleneDAILY MX <= .26 lb/d all year
2011,1,1-TrichloroethaneMO AVG <= .09 lb/d all year
2011,1,1-TrichloroethaneDAILY MX <= .25 lb/d all year
2011,1,2-TrichloroethaneMO AVG <= .14 lb/d all year
2011,1,2-TrichloroethaneDAILY MX <= .55 lb/d all year
201Benzo[a]anthraceneMO AVG <= .08 lb/d all year
201Benzo[a]anthraceneDAILY MX <= .2 lb/d all year
2011,2-DichlorobenzeneMO AVG <= .84 lb/d all year
2011,2-DichlorobenzeneDAILY MX <= 3.41 lb/d all year
2011,2-DichloropropaneMO AVG <= .84 lb/d all year
2011,2-DichloropropaneDAILY MX <= 3.41 lb/d all year
201trans-1,2-DichloroethyleneMO AVG <= .11 lb/d all year
201trans-1,2-DichloroethyleneDAILY MX <= .28 lb/d all year
2011,2,4-TrichlorobenzeneMO AVG <= .84 lb/d all year
2011,2,4-TrichlorobenzeneDAILY MX <= 3.41 lb/d all year
2011,3-DichlorobenzeneMO AVG <= .61 lb/d all year
2011,3-DichlorobenzeneDAILY MX <= 1.63 lb/d all year
2011,4-DichlorobenzeneMO AVG <= .61 lb/d all year
2011,4-DichlorobenzeneDAILY MX <= 1.63 lb/d all year
2012-NitrophenolMO AVG <= .28 lb/d all year
2012-NitrophenolDAILY MX <= .99 lb/d all year
2012,4-DimethylphenolMO AVG <= .08 lb/d all year
2012,4-DimethylphenolDAILY MX <= .2 lb/d all year
2012,4-DinitrophenolMO AVG <= 5.19 lb/d all year
2012,4-DinitrophenolDAILY MX <= 18.45 lb/d all year
2014-NitrophenolMO AVG <= .7 lb/d all year
2014-NitrophenolDAILY MX <= 2.48 lb/d all year
2014,6-Dinitro-o-cresolMO AVG <= .34 lb/d all year
2014,6-Dinitro-o-cresolDAILY MX <= 1.19 lb/d all year
201PhenolMO AVG <= .08 lb/d all year
201PhenolDAILY MX <= .2 lb/d all year
201NaphthaleneMO AVG <= .08 lb/d all year
201NaphthaleneDAILY MX <= .2 lb/d all year
201Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .41 lb/d all year
201Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 1.11 lb/d all year
201Di-n-butyl phthalateMO AVG <= .09 lb/d all year
201Di-n-butyl phthalateDAILY MX <= .18 lb/d all year
201Vinyl chlorideMO AVG <= .42 lb/d all year
201Vinyl chlorideDAILY MX <= .74 lb/d all year
201TrichloroethyleneMO AVG <= .11 lb/d all year
201TrichloroethyleneDAILY MX <= .3 lb/d all year
201HexachlorobenzeneMO AVG <= .38 lb/d all year
201HexachlorobenzeneDAILY MX <= .91 lb/d all year
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
2011,3-DichloropropyleneMO AVG <= .84 lb/d all year
2011,3-DichloropropyleneDAILY MX <= 3.41 lb/d all year
201pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
201pH range excursions, monthly total accumMO TOTAL <= 446 min all year
201ChloroethaneMO AVG <= .47 lb/d all year
201ChloroethaneDAILY MX <= 1.27 lb/d all year
401Zinc, total [as Zn]MO AVG <= 1.05 mg/L all year
401Zinc, total [as Zn]DAILY MX <= 2.61 mg/L all year
401PhenolMO AVG report only all year
401PhenolDAILY MX report only all year
401Flow, in conduit or thru treatment plantMO AVG report only all year
401Flow, in conduit or thru treatment plantDAILY MX report only all year
CT01Cycles Of ConcentrationMO AV MN >= 3 c all year
CT02Cycles Of ConcentrationMO AV MN >= 3 c all year
CT03Cycles Of ConcentrationMO AV MN >= 3 c 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