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Ineos USA LLC

Plastics Materials And Resins, major discharger, La Porte, Texas. NPDES permit TX0006033 expired Oct 26, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (18 values), outfall 002 form A monthly (8 values), outfall 004 form A monthly (8 values), outfall 005 form A monthly (8 values), outfall 101 form A monthly (9 values), outfall 201 form A monthly (9 values), and 5 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 82 reports late

Limits in force (207)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year001
BOD, 5-day, 20 deg. Cdaily average≤ 332 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 664 lb/dall year001
pHminimum≥ 5 SUall year001
pHmaximum≤ 11 SUall year001
Solids, total suspendeddaily average≤ 963 lb/dall year001
Solids, total suspendeddaily maximum≤ 2594 lb/dall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Carbon, tot organic [TOC]daily average≤ 1299 lb/dall year001
Carbon, tot organic [TOC]daily maximum≤ 1976 lb/dall year001
Arsenic, total [as As]daily maximumreport only (lb/d)all year001
Zinc, total [as Zn]daily average≤ 2.46 lb/dall year001
Zinc, total [as Zn]daily maximum≤ 5.2 lb/dall year001
Aluminum, total [as Al]daily average≤ 27.7 lb/dall year001
Aluminum, total [as Al]daily maximum≤ 58.6 lb/dall year001
Carbon tetrachloridedaily average≤ .74 lb/dall year001
Carbon tetrachloridedaily maximum≤ 1.58 lb/dall year001
1,2-Dichloroethanedaily average≤ 2.4 lb/dall year001
1,2-Dichloroethanedaily maximum≤ 7.65 lb/dall year001
Chloroformdaily average≤ 1.48 lb/dall year001
Chloroformdaily maximum≤ 4.33 lb/dall year001
Toluenedaily average≤ .37 lb/dall year001
Toluenedaily maximum≤ .99 lb/dall year001
Benzenedaily average≤ .76 lb/dall year001
Benzenedaily maximum≤ 1.79 lb/dall year001
Acenaphthylenedaily average≤ .25 lb/dall year001
Acenaphthylenedaily maximum≤ .63 lb/dall year001
Acenaphthenedaily average≤ .25 lb/dall year001
Acenaphthenedaily maximum≤ .63 lb/dall year001
Acrylonitriledaily average≤ .209 lb/dall year001
Acrylonitriledaily maximum≤ .442 lb/dall year001
Anthracenedaily average≤ .25 lb/dall year001
Anthracenedaily maximum≤ .63 lb/dall year001
Benzo[k]fluoranthenedaily average≤ .25 lb/dall year001
Benzo[k]fluoranthenedaily maximum≤ .63 lb/dall year001
Benzo[a]pyrenedaily average≤ .00047 lb/dall year001
Benzo[a]pyrenedaily maximum≤ .001 lb/dall year001
Chlorobenzenedaily average≤ 1.89 lb/dall year001
Chlorobenzenedaily maximum≤ 5.07 lb/dall year001
Chrysenedaily average≤ .25 lb/dall year001
Chrysenedaily maximum≤ .63 lb/dall year001
Diethyl phthalatedaily average≤ .61 lb/dall year001
Diethyl phthalatedaily maximum≤ 1.51 lb/dall year001
Dimethyl phthalatedaily average≤ .25 lb/dall year001
Dimethyl phthalatedaily maximum≤ .63 lb/dall year001
Ethylbenzenedaily average≤ 1.89 lb/dall year001
Ethylbenzenedaily maximum≤ 5.07 lb/dall year001
Fluoranthenedaily average≤ .29 lb/dall year001
Fluoranthenedaily maximum≤ .72 lb/dall year001
Fluorenedaily average≤ .25 lb/dall year001
Fluorenedaily maximum≤ .63 lb/dall year001
Hexachlorobutadienedaily average≤ .041 lb/dall year001
Hexachlorobutadienedaily maximum≤ .088 lb/dall year001
Hexachloroethanedaily average≤ .441 lb/dall year001
Hexachloroethanedaily maximum≤ .936 lb/dall year001
Methyl chloride [Chloromethane]daily average≤ 1.47 lb/dall year001
Methyl chloride [Chloromethane]daily maximum≤ 3.93 lb/dall year001
Methylene chloridedaily average≤ .48 lb/dall year001
Methylene chloridedaily maximum≤ 2.27 lb/dall year001
Nitrobenzenedaily average≤ 20.8 lb/dall year001
Nitrobenzenedaily maximum≤ 44 lb/dall year001
Phenanthrenedaily average≤ .12 lb/dall year001
Phenanthrenedaily maximum≤ .25 lb/dall year001
Pyrenedaily average≤ .27 lb/dall year001
Pyrenedaily maximum≤ .64 lb/dall year001
Tetrachloroethylenedaily average≤ .69 lb/dall year001
Tetrachloroethylenedaily maximum≤ 2.19 lb/dall year001
1,1-Dichloroethanedaily average≤ .29 lb/dall year001
1,1-Dichloroethanedaily maximum≤ .79 lb/dall year001
1,1-Dichloroethylenedaily average≤ .29 lb/dall year001
1,1-Dichloroethylenedaily maximum≤ .8 lb/dall year001
1,1,1-Trichloroethanedaily average≤ .29 lb/dall year001
1,1,1-Trichloroethanedaily maximum≤ .79 lb/dall year001
1,1,2-Trichloroethanedaily average≤ .35 lb/dall year001
1,1,2-Trichloroethanedaily maximum≤ .92 lb/dall year001
Benzo[a]anthracenedaily average≤ .0047 lb/dall year001
Benzo[a]anthracenedaily maximum≤ .01 lb/dall year001
1,2-Dichlorobenzenedaily average≤ 2.61 lb/dall year001
1,2-Dichlorobenzenedaily maximum≤ 10.59 lb/dall year001
1,2-Dichloropropanedaily average≤ 2.61 lb/dall year001
1,2-Dichloropropanedaily maximum≤ 10.59 lb/dall year001
trans-1,2-Dichloroethylenedaily average≤ .33 lb/dall year001
trans-1,2-Dichloroethylenedaily maximum≤ .88 lb/dall year001
1,2,4-Trichlorobenzenedaily average≤ 2.61 lb/dall year001
1,2,4-Trichlorobenzenedaily maximum≤ 10.59 lb/dall year001
1,3-Dichlorobenzenedaily average≤ 1.89 lb/dall year001
1,3-Dichlorobenzenedaily maximum≤ 5.07 lb/dall year001
1,4-Dichlorobenzenedaily average≤ 1.89 lb/dall year001
1,4-Dichlorobenzenedaily maximum≤ 5.07 lb/dall year001
2-Nitrophenoldaily average≤ .87 lb/dall year001
2-Nitrophenoldaily maximum≤ 3.08 lb/dall year001
2,4-Dimethylphenoldaily average≤ .25 lb/dall year001
2,4-Dimethylphenoldaily maximum≤ .63 lb/dall year001
2,4-Dinitrotoluenedaily average≤ 1.51 lb/dall year001
2,4-Dinitrotoluenedaily maximum≤ 3.8 lb/dall year001
2,4-Dinitrophenoldaily average≤ 16.1 lb/dall year001
2,4-Dinitrophenoldaily maximum≤ 57.22 lb/dall year001
4-Nitrophenoldaily average≤ 2.16 lb/dall year001
4-Nitrophenoldaily maximum≤ 7.68 lb/dall year001
4,6-Dinitro-o-cresoldaily average≤ 1.04 lb/dall year001
4,6-Dinitro-o-cresoldaily maximum≤ 3.69 lb/dall year001
Phenoldaily average≤ .25 lb/dall year001
Phenoldaily maximum≤ .63 lb/dall year001
Naphthalenedaily average≤ .25 lb/dall year001
Naphthalenedaily maximum≤ .63 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily average≤ 1.27 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 3.03 lb/dall year001
Di-n-butyl phthalatedaily average≤ .27 lb/dall year001
Di-n-butyl phthalatedaily maximum≤ .57 lb/dall year001
Vinyl chloridedaily average≤ 1.29 lb/dall year001
Vinyl chloridedaily maximum≤ 2.29 lb/dall year001
Trichloroethylenedaily average≤ .35 lb/dall year001
Trichloroethylenedaily maximum≤ .92 lb/dall year001
Hexachlorobenzenedaily average≤ .00012 lb/dall year001
Hexachlorobenzenedaily maximum≤ .00027 lb/dall year001
Flow, in conduit or thru treatment plantdaily average≤ 3.98 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ 5.51 MGDall year001
1,3-Dichloropropylenedaily average≤ 2.61 lb/dall year001
1,3-Dichloropropylenedaily maximum≤ 10.59 lb/dall year001
3,4-Benzofluoranthenedaily average≤ .27 lb/dall year001
3,4-Benzofluoranthenedaily maximum≤ .64 lb/dall year001
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year001
pH range excursions, monthly total accummonthly total≤ 446 minall year001
Chloroethanedaily average≤ 1.47 lb/dall year001
Chloroethanedaily maximum≤ 3.93 lb/dall year001
pHminimum≥ 5 SUall year002
pHmaximum≤ 11 SUall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Carbon, tot organic [TOC]daily maximum≤ 55 mg/Lall year002
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year002
pH range excursions, monthly total accummonthly total≤ 446 minall year002
pHminimum≥ 5 SUall year004
pHmaximum≤ 11 SUall year004
Oil & Greasedaily maximum≤ 15 mg/Lall year004
Carbon, tot organic [TOC]daily maximum≤ 55 mg/Lall year004
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year004
pH range excursions, monthly total accummonthly total≤ 446 minall year004
pHminimum≥ 5 SUall year005
pHmaximum≤ 11 SUall year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Carbon, tot organic [TOC]daily maximum≤ 55 mg/Lall year005
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year005
pH range excursions, monthly total accummonthly total≤ 446 minall year005
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year101
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year101
Solids, total suspendeddaily average≤ 20 mg/Lall year101
Solids, total suspendeddaily maximum≤ 45 mg/Lall year101
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year101
E. colidaily average≤ 126 CFU/100mLall year101
E. colidaily maximum≤ 399 CFU/100mLall year101
BOD, 5-day, 20 deg. Cdaily average≤ 20 mg/Lall year201
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year201
Solids, total suspendeddaily average≤ 20 mg/Lall year201
Solids, total suspendeddaily maximum≤ 45 mg/Lall year201
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year201
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year201
E. colidaily average≤ 126 CFU/100mLall year201
E. colidaily maximum≤ 399 CFU/100mLall year201
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #27-day minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #27-day minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
Whole effluent toxicity7-day minimum≥ 100 %all yearTXA
Whole effluent toxicitymonthly average minimum≥ 100 %all yearTXA
Whole effluent toxicity7-day minimum≥ 100 %all yearTXA
Whole effluent toxicitymonthly average minimum≥ 100 %all yearTXA
Whole effluent toxicity - retest #1single samplereport only (pass=0;fail=1)all yearTXA
Whole effluent toxicity - retest #2single samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)single samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute Menidia menidiasingle samplereport only (pass=0;fail=1)all yearTXA

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Same industry: the 165 Chemicals and Allied Products permits in Texas.

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