INEOS USA LLC

NPDES permit TX0006033 · Major NON-POTW · administratively continued, expires 2025-10-26 · 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.

This permit expired on 2025-10-26 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 75 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among TX permits in EPA's filings — check your permit).

Limits in force (207)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
001BOD, 5-day, 20 deg. CDAILY AV <= 332 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 664 lb/d all year
001pHMINIMUM >= 5 SU all year
001pHMAXIMUM <= 11 SU all year
001Solids, total suspendedDAILY AV <= 963 lb/d all year
001Solids, total suspendedDAILY MX <= 2594 lb/d all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Carbon, tot organic [TOC]DAILY AV <= 1299 lb/d all year
001Carbon, tot organic [TOC]DAILY MX <= 1976 lb/d all year
001Arsenic, total [as As]DAILY MX report only all year
001Zinc, total [as Zn]DAILY AV <= 2.46 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 5.2 lb/d all year
001Aluminum, total [as Al]DAILY AV <= 27.7 lb/d all year
001Aluminum, total [as Al]DAILY MX <= 58.6 lb/d all year
001Carbon tetrachlorideDAILY AV <= .74 lb/d all year
001Carbon tetrachlorideDAILY MX <= 1.58 lb/d all year
0011,2-DichloroethaneDAILY AV <= 2.4 lb/d all year
0011,2-DichloroethaneDAILY MX <= 7.65 lb/d all year
001ChloroformDAILY AV <= 1.48 lb/d all year
001ChloroformDAILY MX <= 4.33 lb/d all year
001TolueneDAILY AV <= .37 lb/d all year
001TolueneDAILY MX <= .99 lb/d all year
001BenzeneDAILY AV <= .76 lb/d all year
001BenzeneDAILY MX <= 1.79 lb/d all year
001AcenaphthyleneDAILY AV <= .25 lb/d all year
001AcenaphthyleneDAILY MX <= .63 lb/d all year
001AcenaphtheneDAILY AV <= .25 lb/d all year
001AcenaphtheneDAILY MX <= .63 lb/d all year
001AcrylonitrileDAILY AV <= .209 lb/d all year
001AcrylonitrileDAILY MX <= .442 lb/d all year
001AnthraceneDAILY AV <= .25 lb/d all year
001AnthraceneDAILY MX <= .63 lb/d all year
001Benzo[k]fluorantheneDAILY AV <= .25 lb/d all year
001Benzo[k]fluorantheneDAILY MX <= .63 lb/d all year
001Benzo[a]pyreneDAILY AV <= .00047 lb/d all year
001Benzo[a]pyreneDAILY MX <= .001 lb/d all year
001ChlorobenzeneDAILY AV <= 1.89 lb/d all year
001ChlorobenzeneDAILY MX <= 5.07 lb/d all year
001ChryseneDAILY AV <= .25 lb/d all year
001ChryseneDAILY MX <= .63 lb/d all year
001Diethyl phthalateDAILY AV <= .61 lb/d all year
001Diethyl phthalateDAILY MX <= 1.51 lb/d all year
001Dimethyl phthalateDAILY AV <= .25 lb/d all year
001Dimethyl phthalateDAILY MX <= .63 lb/d all year
001EthylbenzeneDAILY AV <= 1.89 lb/d all year
001EthylbenzeneDAILY MX <= 5.07 lb/d all year
001FluorantheneDAILY AV <= .29 lb/d all year
001FluorantheneDAILY MX <= .72 lb/d all year
001FluoreneDAILY AV <= .25 lb/d all year
001FluoreneDAILY MX <= .63 lb/d all year
001HexachlorobutadieneDAILY AV <= .041 lb/d all year
001HexachlorobutadieneDAILY MX <= .088 lb/d all year
001HexachloroethaneDAILY AV <= .441 lb/d all year
001HexachloroethaneDAILY MX <= .936 lb/d all year
001Methyl chloride [Chloromethane]DAILY AV <= 1.47 lb/d all year
001Methyl chloride [Chloromethane]DAILY MX <= 3.93 lb/d all year
001Methylene chlorideDAILY AV <= .48 lb/d all year
001Methylene chlorideDAILY MX <= 2.27 lb/d all year
001NitrobenzeneDAILY AV <= 20.8 lb/d all year
001NitrobenzeneDAILY MX <= 44 lb/d all year
001PhenanthreneDAILY AV <= .12 lb/d all year
001PhenanthreneDAILY MX <= .25 lb/d all year
001PyreneDAILY AV <= .27 lb/d all year
001PyreneDAILY MX <= .64 lb/d all year
001TetrachloroethyleneDAILY AV <= .69 lb/d all year
001TetrachloroethyleneDAILY MX <= 2.19 lb/d all year
0011,1-DichloroethaneDAILY AV <= .29 lb/d all year
0011,1-DichloroethaneDAILY MX <= .79 lb/d all year
0011,1-DichloroethyleneDAILY AV <= .29 lb/d all year
0011,1-DichloroethyleneDAILY MX <= .8 lb/d all year
0011,1,1-TrichloroethaneDAILY AV <= .29 lb/d all year
0011,1,1-TrichloroethaneDAILY MX <= .79 lb/d all year
0011,1,2-TrichloroethaneDAILY AV <= .35 lb/d all year
0011,1,2-TrichloroethaneDAILY MX <= .92 lb/d all year
001Benzo[a]anthraceneDAILY AV <= .0047 lb/d all year
001Benzo[a]anthraceneDAILY MX <= .01 lb/d all year
0011,2-DichlorobenzeneDAILY AV <= 2.61 lb/d all year
0011,2-DichlorobenzeneDAILY MX <= 10.59 lb/d all year
0011,2-DichloropropaneDAILY AV <= 2.61 lb/d all year
0011,2-DichloropropaneDAILY MX <= 10.59 lb/d all year
001trans-1,2-DichloroethyleneDAILY AV <= .33 lb/d all year
001trans-1,2-DichloroethyleneDAILY MX <= .88 lb/d all year
0011,2,4-TrichlorobenzeneDAILY AV <= 2.61 lb/d all year
0011,2,4-TrichlorobenzeneDAILY MX <= 10.59 lb/d all year
0011,3-DichlorobenzeneDAILY AV <= 1.89 lb/d all year
0011,3-DichlorobenzeneDAILY MX <= 5.07 lb/d all year
0011,4-DichlorobenzeneDAILY AV <= 1.89 lb/d all year
0011,4-DichlorobenzeneDAILY MX <= 5.07 lb/d all year
0012-NitrophenolDAILY AV <= .87 lb/d all year
0012-NitrophenolDAILY MX <= 3.08 lb/d all year
0012,4-DimethylphenolDAILY AV <= .25 lb/d all year
0012,4-DimethylphenolDAILY MX <= .63 lb/d all year
0012,4-DinitrotolueneDAILY AV <= 1.51 lb/d all year
0012,4-DinitrotolueneDAILY MX <= 3.8 lb/d all year
0012,4-DinitrophenolDAILY AV <= 16.1 lb/d all year
0012,4-DinitrophenolDAILY MX <= 57.22 lb/d all year
0014-NitrophenolDAILY AV <= 2.16 lb/d all year
0014-NitrophenolDAILY MX <= 7.68 lb/d all year
0014,6-Dinitro-o-cresolDAILY AV <= 1.04 lb/d all year
0014,6-Dinitro-o-cresolDAILY MX <= 3.69 lb/d all year
001PhenolDAILY AV <= .25 lb/d all year
001PhenolDAILY MX <= .63 lb/d all year
001NaphthaleneDAILY AV <= .25 lb/d all year
001NaphthaleneDAILY MX <= .63 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY AV <= 1.27 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 3.03 lb/d all year
001Di-n-butyl phthalateDAILY AV <= .27 lb/d all year
001Di-n-butyl phthalateDAILY MX <= .57 lb/d all year
001Vinyl chlorideDAILY AV <= 1.29 lb/d all year
001Vinyl chlorideDAILY MX <= 2.29 lb/d all year
001TrichloroethyleneDAILY AV <= .35 lb/d all year
001TrichloroethyleneDAILY MX <= .92 lb/d all year
001HexachlorobenzeneDAILY AV <= .00012 lb/d all year
001HexachlorobenzeneDAILY MX <= .00027 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= 3.98 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 5.51 MGD all year
0011,3-DichloropropyleneDAILY AV <= 2.61 lb/d all year
0011,3-DichloropropyleneDAILY MX <= 10.59 lb/d all year
0013,4-BenzofluorantheneDAILY AV <= .27 lb/d all year
0013,4-BenzofluorantheneDAILY MX <= .64 lb/d all year
001pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
001ChloroethaneDAILY AV <= 1.47 lb/d all year
001ChloroethaneDAILY MX <= 3.93 lb/d all year
002pHMINIMUM >= 5 SU all year
002pHMAXIMUM <= 11 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 55 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
002pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
002pH range excursions, monthly total accumMO TOTAL <= 446 min all year
004pHMINIMUM >= 5 SU all year
004pHMAXIMUM <= 11 SU all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
004Flow, in conduit or thru treatment plantDAILY AV report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
004pH range excursions, monthly total accumMO TOTAL <= 446 min all year
005pHMINIMUM >= 5 SU all year
005pHMAXIMUM <= 11 SU all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
005Flow, in conduit or thru treatment plantDAILY AV report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
005pH range excursions, monthly total accumMO TOTAL <= 446 min all year
101BOD, 5-day, 20 deg. CDAILY AV <= 20 mg/L all year
101BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
101Solids, total suspendedDAILY AV <= 20 mg/L all year
101Solids, total suspendedDAILY MX <= 45 mg/L all year
101Flow, in conduit or thru treatment plantDAILY AV report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Chlorine, total residualMO MIN >= 1 mg/L all year
101E. coliDAILY AV <= 126 CFU/100mL all year
101E. coliDAILY MX <= 399 CFU/100mL all year
201BOD, 5-day, 20 deg. CDAILY AV <= 20 mg/L all year
201BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
201Solids, total suspendedDAILY AV <= 20 mg/L all year
201Solids, total suspendedDAILY MX <= 45 mg/L all year
201Flow, in conduit or thru treatment plantDAILY AV report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
201Chlorine, total residualMO MIN >= 1 mg/L all year
201E. coliDAILY AV <= 126 CFU/100mL all year
201E. coliDAILY MX <= 399 CFU/100mL all year
TX1Whole effluent toxicity - retest #17 DA MIN 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 #1MO AV MN report only all year
TX1Whole effluent toxicity - retest #27 DA MIN 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
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 menidia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiaMO 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 menidia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiaMO 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 menidia7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO 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 menidia7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO 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 menidia7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiaMO 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 Reproduction Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TXAWhole effluent toxicity7 DA MIN >= 100 % all year
TXAWhole effluent toxicityMO AV MN >= 100 % all year
TXAWhole effluent toxicity7 DA MIN >= 100 % all year
TXAWhole effluent toxicityMO AV MN >= 100 % 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 menidiaSINGSAMP report only 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