INEOS AMERICAS LLC

NPDES permit TX0072320 · Major NON-POTW · effective, expires 2026-12-14 · 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
12required values missing, on 1 form(s)
6of 71 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (219)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Cyanide, free [as free]DAILY AV report only all year
001Cyanide, free [as free]DAILY MX report only all year
001Flow [dry weather]DAILY AV report only all year
001Flow [dry weather]DAILY MX <= .32 MGD all year
002Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Flow, in conduit or thru treatment plantDAILY AV report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004BOD, 5-day, 20 deg. CDAILY AV <= 38 lb/d all year
004BOD, 5-day, 20 deg. CDAILY MX <= 75 lb/d all year
004Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY AV <= 93 lb/d all year
004Solids, total suspendedDAILY MX <= 301 lb/d all year
004Nitrogen, ammonia total [as N]DAILY AV report only all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004Cyanide, free [as free]DAILY AV report only all year
004Cyanide, free [as free]DAILY MX report only all year
004Carbon tetrachlorideDAILY AV <= .04 lb/d all year
004Carbon tetrachlorideDAILY MX <= .08 lb/d all year
0041,2-DichloroethaneDAILY AV <= .13 lb/d all year
0041,2-DichloroethaneDAILY MX <= .42 lb/d all year
004ChloroformDAILY AV <= .04 lb/d all year
004ChloroformDAILY MX <= .09 lb/d all year
004TolueneDAILY AV <= .05 lb/d all year
004TolueneDAILY MX <= .16 lb/d all year
004BenzeneDAILY AV <= .07 lb/d all year
004BenzeneDAILY MX <= .27 lb/d all year
004AcenaphthyleneDAILY AV <= .04 lb/d all year
004AcenaphthyleneDAILY MX <= .12 lb/d all year
004AcenaphtheneDAILY AV <= .04 lb/d all year
004AcenaphtheneDAILY MX <= .12 lb/d all year
004AcrylonitrileDAILY AV <= .19 lb/d all year
004AcrylonitrileDAILY MX <= .48 lb/d all year
004AnthraceneDAILY AV <= .04 lb/d all year
004AnthraceneDAILY MX <= .12 lb/d all year
004Benzo[k]fluorantheneDAILY AV <= .04 lb/d all year
004Benzo[k]fluorantheneDAILY MX <= .12 lb/d all year
004Benzo[a]pyreneDAILY AV <= .00032 lb/d all year
004Benzo[a]pyreneDAILY MX <= .00068 lb/d all year
004ChlorobenzeneDAILY AV <= .03 lb/d all year
004ChlorobenzeneDAILY MX <= .06 lb/d all year
004ChryseneDAILY AV <= .04 lb/d all year
004ChryseneDAILY MX <= .12 lb/d all year
004Diethyl phthalateDAILY AV <= .16 lb/d all year
004Diethyl phthalateDAILY MX <= .4 lb/d all year
004Dimethyl phthalateDAILY AV <= .04 lb/d all year
004Dimethyl phthalateDAILY MX <= .09 lb/d all year
004EthylbenzeneDAILY AV <= .06 lb/d all year
004EthylbenzeneDAILY MX <= .21 lb/d all year
004FluorantheneDAILY AV <= .05 lb/d all year
004FluorantheneDAILY MX <= .13 lb/d all year
004FluoreneDAILY AV <= .04 lb/d all year
004FluoreneDAILY MX <= .12 lb/d all year
004HexachlorobutadieneDAILY AV <= .028 lb/d all year
004HexachlorobutadieneDAILY MX <= .06 lb/d all year
004HexachloroethaneDAILY AV <= .04 lb/d all year
004HexachloroethaneDAILY MX <= .11 lb/d all year
004Methyl chloride [Chloromethane]DAILY AV <= .17 lb/d all year
004Methyl chloride [Chloromethane]DAILY MX <= .38 lb/d all year
004Methylene chlorideDAILY AV <= .08 lb/d all year
004Methylene chlorideDAILY MX <= .18 lb/d all year
004NitrobenzeneDAILY AV <= .05 lb/d all year
004NitrobenzeneDAILY MX <= .13 lb/d all year
004PhenanthreneDAILY AV <= .02 lb/d all year
004PhenanthreneDAILY MX <= .05 lb/d all year
004PyreneDAILY AV <= .05 lb/d all year
004PyreneDAILY MX <= .13 lb/d all year
004TetrachloroethyleneDAILY AV <= .04 lb/d all year
004TetrachloroethyleneDAILY MX <= .11 lb/d all year
0041,1-DichloroethaneDAILY AV <= .04 lb/d all year
0041,1-DichloroethaneDAILY MX <= .12 lb/d all year
0041,1-DichloroethyleneDAILY AV <= .03 lb/d all year
0041,1-DichloroethyleneDAILY MX <= .05 lb/d all year
0041,1,1-TrichloroethaneDAILY AV <= .04 lb/d all year
0041,1,1-TrichloroethaneDAILY MX <= .11 lb/d all year
0041,1,2-TrichloroethaneDAILY AV <= .04 lb/d all year
0041,1,2-TrichloroethaneDAILY MX <= .11 lb/d all year
004Benzo[a]anthraceneDAILY AV <= .0032 lb/d all year
004Benzo[a]anthraceneDAILY MX <= .0068 lb/d all year
0041,2-DichlorobenzeneDAILY AV <= .15 lb/d all year
0041,2-DichlorobenzeneDAILY MX <= .32 lb/d all year
0041,2-DichloropropaneDAILY AV <= .3 lb/d all year
0041,2-DichloropropaneDAILY MX <= .46 lb/d all year
004trans-1,2-DichloroethyleneDAILY AV <= .04 lb/d all year
004trans-1,2-DichloroethyleneDAILY MX <= .11 lb/d all year
0041,2,4-TrichlorobenzeneDAILY AV <= .13 lb/d all year
0041,2,4-TrichlorobenzeneDAILY MX <= .28 lb/d all year
0041,3-DichlorobenzeneDAILY AV <= .06 lb/d all year
0041,3-DichlorobenzeneDAILY MX <= .09 lb/d all year
0041,4-DichlorobenzeneDAILY AV <= .03 lb/d all year
0041,4-DichlorobenzeneDAILY MX <= .06 lb/d all year
0042-ChlorophenolDAILY AV <= .06 lb/d all year
0042-ChlorophenolDAILY MX <= .19 lb/d all year
0042-NitrophenolDAILY AV <= .08 lb/d all year
0042-NitrophenolDAILY MX <= .14 lb/d all year
0042,4-DichlorophenolDAILY AV <= .08 lb/d all year
0042,4-DichlorophenolDAILY MX <= .22 lb/d all year
0042,4-DimethylphenolDAILY AV <= .04 lb/d all year
0042,4-DimethylphenolDAILY MX <= .07 lb/d all year
0042,4-DinitrotolueneDAILY AV <= .22 lb/d all year
0042,4-DinitrotolueneDAILY MX <= .57 lb/d all year
0042,4-DinitrophenolDAILY AV <= .14 lb/d all year
0042,4-DinitrophenolDAILY MX <= .24 lb/d all year
0042,6-DinitrotolueneDAILY AV <= .51 lb/d all year
0042,6-DinitrotolueneDAILY MX <= 1.27 lb/d all year
0044-NitrophenolDAILY AV <= .14 lb/d all year
0044-NitrophenolDAILY MX <= .25 lb/d all year
0044,6-Dinitro-o-cresolDAILY AV <= .15 lb/d all year
0044,6-Dinitro-o-cresolDAILY MX <= .55 lb/d all year
004NaphthaleneDAILY AV <= .04 lb/d all year
004NaphthaleneDAILY MX <= .12 lb/d all year
004Di[2-ethylhexyl] phthalate [DEHP]DAILY AV <= .2 lb/d all year
004Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .55 lb/d all year
004Di-n-butyl phthalateDAILY AV <= .05 lb/d all year
004Di-n-butyl phthalateDAILY MX <= .11 lb/d all year
004Vinyl chlorideDAILY AV <= .21 lb/d all year
004Vinyl chlorideDAILY MX <= .53 lb/d all year
004TrichloroethyleneDAILY AV <= .04 lb/d all year
004TrichloroethyleneDAILY MX <= .11 lb/d all year
004HexachlorobenzeneDAILY AV <= .000087 lb/d all year
004HexachlorobenzeneDAILY MX <= .00018 lb/d all year
004PhenolsDAILY AV <= .03 lb/d all year
004PhenolsDAILY MX <= .05 lb/d all year
004Flow, in conduit or thru treatment plantDAILY AV <= .45 MGD all year
004Flow, in conduit or thru treatment plantDAILY MX <= .75 MGD all year
0041,3-DichloropropyleneDAILY AV <= .06 lb/d all year
0041,3-DichloropropyleneDAILY MX <= .09 lb/d all year
004EnterococciDAILY AV <= 35 CFU/100mL all year
004EnterococciDAILY MX <= 104 CFU/100mL all year
004Mercury, total [as Hg]DAILY AV <= .0016 lb/d all year
004Mercury, total [as Hg]DAILY MX <= .004 lb/d all year
0043,4-BenzofluorantheneDAILY AV <= .022 lb/d all year
0043,4-BenzofluorantheneDAILY MX <= .049 lb/d all year
004ChloroethaneDAILY AV <= .21 lb/d all year
004ChloroethaneDAILY MX <= .53 lb/d all year
006Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Flow, in conduit or thru treatment plantDAILY AV report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
TX1Whole effluent toxicity - retest #17 DA MIN report only all year
TX1Whole effluent toxicity - retest #1MO AV MN report only all year
TX1Whole effluent toxicity - retest #27 DA MIN report only all year
TX1Whole effluent toxicity - retest #2MO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4Whole effluent toxicity - retest #17 DA MIN report only all year
TX4Whole effluent toxicity - retest #1MO AV MN report only all year
TX4Whole effluent toxicity - retest #27 DA MIN report only all year
TX4Whole effluent toxicity - retest #2MO AV MN report only all year
TX4Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX4Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX4Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX4NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX4NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX4NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX4NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX4Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX4Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX4LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX4LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX4LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX4LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TXAWhole effluent toxicity - retest #1SINGSAMP report only all year
TXAWhole effluent toxicity - retest #2SINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Menidia beryllinaSINGSAMP report only all year
TXDWhole effluent toxicity - retest #1SINGSAMP report only all year
TXDWhole effluent toxicity - retest #2SINGSAMP report only all year
TXDLC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TXDLC50 Pass/Fail Static 24Hr Acute Menidia beryllinaSINGSAMP report only all year

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