NPDES TX0006033 · Clean Water Act
INEOS POLYTHYLENE NORTH AMERICA LA PORTE PLANT WWTP, La Porte, TX: NPDES TX0006033 discharge permit, effluent exceedances, inspections, penalties
INEOS POLYTHYLENE NORTH AMERICA LA PORTE PLANT WWTP, La Porte, Texas: Individual permit TX0006033, held by INEOS USA LLC; Administratively continued; issued September 16, 2016, term to July 1, 2019; discharges to PHILLIPS DITCH; SANTA ANNA BAYOU, HSH/SAN JACIONTO.
- Solids, total suspended: 6 limits, 24 violations of any kind, 14 effluent exceedances, latest May 31, 2024, largest 82% over the limit.
- pH: 8 limits, 13 violations of any kind, 11 effluent exceedances, latest July 31, 2016.
- Aluminum, total [as Al]: 4 limits, 11 violations of any kind, 11 effluent exceedances, latest August 31, 2008, largest 226% over the limit.
- E. coli: 8 limits, 10 violations of any kind, 10 effluent exceedances, latest October 31, 2022, largest 16,886% over the limit.
- Chlorine, total residual: 2 limits, 16 violations of any kind, 6 effluent exceedances, latest December 31, 2016, largest 90% over the limit.
- Oil & Grease: 4 limits, 10 violations of any kind, 6 effluent exceedances, latest June 30, 2015, largest 173% over the limit.
- Zinc, total [as Zn]: 8 limits, 6 violations of any kind, 4 effluent exceedances, latest April 30, 2007, largest 77% over the limit.
- Hexachlorobenzene: 4 limits, 4 violations of any kind, 2 effluent exceedances, latest December 31, 2006, largest 9,992% over the limit.
- Coliform, fecal general: 0 limits, 37 violations of any kind, 1 effluent exceedance, latest November 30, 2008, largest 190% over the limit.
- BOD, 5-day, 20 deg. C: 6 limits, 11 violations of any kind, 1 effluent exceedance, latest December 31, 2016, largest 10% over the limit.
- pH range excursions, > 60 minutes: 3 limits, 4 violations of any kind, 1 effluent exceedance, latest April 30, 2013, largest 2,147,483,650% over the limit.
- Carbon, tot organic [TOC]: 5 limits, 2 violations of any kind, 1 effluent exceedance, latest April 30, 2017, largest 102% over the limit.
- Whole effluent toxicity: 2 limits, 20 violations of any kind.
- Flow, in conduit or thru treatment plant: 12 limits, 18 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia: 4 limits, 12 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia: 4 limits, 10 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia): 4 limits, 10 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 4 limits, 8 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia: 4 limits, 6 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia: 4 limits, 6 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia: 4 limits, 6 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia: 4 limits, 6 violations of any kind.
- LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia): 1 limit, 5 violations of any kind.
- LC50 Pass/Fail Static 24Hr Acute Menidia menidia: 1 limit, 5 violations of any kind.
- Whole effluent toxicity - retest #1: 7 limits, 4 violations of any kind.
- Whole effluent toxicity - retest #2: 7 limits, 4 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia): 4 limits, 4 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 4 limits, 4 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 4 limits, 4 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 4 limits, 4 violations of any kind.
- Anthracene: 2 limits, 4 violations of any kind.
- pH range excursions, monthly total accum: 3 limits, 3 violations of any kind.
- Acrylonitrile: 4 limits, 2 violations of any kind.
- Benzo[a]pyrene: 4 limits, 2 violations of any kind.
- Carbon tetrachloride: 2 limits, 2 violations of any kind.
- 1,2-Dichloroethane: 2 limits, 2 violations of any kind.
- Chloroform: 2 limits, 2 violations of any kind.
- Toluene: 2 limits, 2 violations of any kind.
- Benzene: 2 limits, 2 violations of any kind.
- Acenaphthylene: 2 limits, 2 violations of any kind.
- Acenaphthene: 2 limits, 2 violations of any kind.
- Benzo[k]fluoranthene: 2 limits, 2 violations of any kind.
- Chlorobenzene: 2 limits, 2 violations of any kind.
- Chrysene: 2 limits, 2 violations of any kind.
- Diethyl phthalate: 2 limits, 2 violations of any kind.
- Dimethyl phthalate: 2 limits, 2 violations of any kind.
- Ethylbenzene: 2 limits, 2 violations of any kind.
- Fluoranthene: 2 limits, 2 violations of any kind.
- Fluorene: 2 limits, 2 violations of any kind.
- Hexachlorobutadiene: 2 limits, 2 violations of any kind.
- Hexachloroethane: 2 limits, 2 violations of any kind.
- Methyl chloride [Chloromethane]: 2 limits, 2 violations of any kind.
- Methylene chloride: 2 limits, 2 violations of any kind.
- Nitrobenzene: 2 limits, 2 violations of any kind.
- Phenanthrene: 2 limits, 2 violations of any kind.
- Pyrene: 2 limits, 2 violations of any kind.
- Tetrachloroethylene: 2 limits, 2 violations of any kind.
- 1,1-Dichloroethane: 2 limits, 2 violations of any kind.
- 1,1-Dichloroethylene: 2 limits, 2 violations of any kind.
- 1,1,1-Trichloroethane: 2 limits, 2 violations of any kind.
- February 20, 2025: Permit Violations - Violation Specified in Comment (ST6).
Other permits held by INEOS USA LLC
- CHOCOLATE BAYOU PLANT, Danbury: TX0004821, issued 2018-07-12
INEOS POLYTHYLENE NORTH AMERICA LA PORTE PLANT WWTP among its neighbors
112 discharge permits are in the Goose Creek-Frontal Galveston Bay subwatershed (HUC 120401040706); TX0006033 is one. Its county: 4,455, 195 major; TX0006033 is major permit.
Other permits in the Goose Creek-Frontal Galveston Bay subwatershed (HUC 120401040706)
- AIR LIQUIDE BAYTOWN ASU FACILITY, Baytown: TXR1583VZ, minor, term to 2028-03-04
- AIR PRODUCTS LA PORTE PLANT, La Porte: TX0004944, minor, term to 2023-07-12
- AIR PRODUCTS LA PORTE PLANT, La Porte: TXR1595PW, minor, term to 2028-03-04
- AIRGAS DRY ICE FACILITY, La Porte: TX0136638, minor, term to 2024-03-31
- BARBOURS CUT TERMINAL, La Porte: TXR05GM41, minor, term to 2026-08-13
- BATTLEGROUND CHLOR ALKALI PLANT, La Porte: TX0008150, major, term to 2020-07-01
- BATTLEGROUND ROAD FACILITY, La Porte: TX0077585, minor, term to 2013-05-01
- BAYTOWN ACE INDUSTRIAL SERVICES, Baytown: TXR05FO27, minor, term to 2026-08-13
- BAYTOWN CENTRAL, Baytown: TXR1557NT, minor, term to 2028-03-04
- BAYTOWN FIRE STATION NO 2, Baytown: TXR1552XS, minor, term to 2028-03-04
Identity
| Facility | INEOS POLYTHYLENE NORTH AMERICA LA PORTE PLANT WWTP |
|---|---|
| Permittee | INEOS USA LLC |
| NPDES ID | TX0006033 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Non-POTW |
| Issued | September 16, 2016 |
| Expires | July 1, 2019 |
| Address | La Porte, TX 77571 |
| Receiving water | PHILLIPS DITCH; SANTA ANNA BAYOU, HSH/SAN JACIONTO |
| Subwatershed | Goose Creek-Frontal Galveston Bay (HUC 120401040706) |
| SIC | 2821 – Plastics Materials And Resins |
| Other EPA IDs (FRS) | RCRA handler TXR000047415; ICIS-AIR source TX0000004820100004 |
NPDES TX0006033: effluent limits and exceedances
INEOS POLYTHYLENE NORTH AMERICA LA PORTE PLANT WWTP (NPDES TX0006033): 87 pollutants on file, 85 limited; 84 with a violation of any kind, 12 with an exceedance.
The 60 with the most exceedances of the 87 on file for NPDES TX0006033. How exceedances are counted.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 24 | 14 | May 31, 2024 | 82% over the limit |
| pH | 8 | 13 | 11 | July 31, 2016 | |
| Aluminum, total [as Al] | 4 | 11 | 11 | August 31, 2008 | 226% over the limit |
| E. coli | 8 | 10 | 10 | October 31, 2022 | 16,886% over the limit |
| Chlorine, total residual | 2 | 16 | 6 | December 31, 2016 | 90% over the limit |
| Oil & Grease | 4 | 10 | 6 | June 30, 2015 | 173% over the limit |
| Zinc, total [as Zn] | 8 | 6 | 4 | April 30, 2007 | 77% over the limit |
| Hexachlorobenzene | 4 | 4 | 2 | December 31, 2006 | 9,992% over the limit |
| Coliform, fecal general | 0 | 37 | 1 | November 30, 2008 | 190% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 11 | 1 | December 31, 2016 | 10% over the limit |
| pH range excursions, > 60 minutes | 3 | 4 | 1 | April 30, 2013 | 2,147,483,650% over the limit |
| Carbon, tot organic [TOC] | 5 | 2 | 1 | April 30, 2017 | 102% over the limit |
| Whole effluent toxicity | 2 | 20 | 0 | ||
| Flow, in conduit or thru treatment plant | 12 | 18 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 4 | 12 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 4 | 10 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 4 | 10 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 8 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 4 | 6 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 4 | 6 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 4 | 6 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 4 | 6 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 5 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 1 | 5 | 0 | ||
| Whole effluent toxicity - retest #1 | 7 | 4 | 0 | ||
| Whole effluent toxicity - retest #2 | 7 | 4 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 4 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 4 | 0 | ||
| Anthracene | 2 | 4 | 0 | ||
| pH range excursions, monthly total accum | 3 | 3 | 0 | ||
| Acrylonitrile | 4 | 2 | 0 | ||
| Benzo[a]pyrene | 4 | 2 | 0 | ||
| Carbon tetrachloride | 2 | 2 | 0 | ||
| 1,2-Dichloroethane | 2 | 2 | 0 | ||
| Chloroform | 2 | 2 | 0 | ||
| Toluene | 2 | 2 | 0 | ||
| Benzene | 2 | 2 | 0 | ||
| Acenaphthylene | 2 | 2 | 0 | ||
| Acenaphthene | 2 | 2 | 0 | ||
| Benzo[k]fluoranthene | 2 | 2 | 0 | ||
| Chlorobenzene | 2 | 2 | 0 | ||
| Chrysene | 2 | 2 | 0 | ||
| Diethyl phthalate | 2 | 2 | 0 | ||
| Dimethyl phthalate | 2 | 2 | 0 | ||
| Ethylbenzene | 2 | 2 | 0 | ||
| Fluoranthene | 2 | 2 | 0 | ||
| Fluorene | 2 | 2 | 0 | ||
| Hexachlorobutadiene | 2 | 2 | 0 | ||
| Hexachloroethane | 2 | 2 | 0 | ||
| Methyl chloride [Chloromethane] | 2 | 2 | 0 | ||
| Methylene chloride | 2 | 2 | 0 | ||
| Nitrobenzene | 2 | 2 | 0 | ||
| Phenanthrene | 2 | 2 | 0 | ||
| Pyrene | 2 | 2 | 0 | ||
| Tetrachloroethylene | 2 | 2 | 0 | ||
| 1,1-Dichloroethane | 2 | 2 | 0 | ||
| 1,1-Dichloroethylene | 2 | 2 | 0 | ||
| 1,1,1-Trichloroethane | 2 | 2 | 0 |
NPDES TX0006033: inspections, violations and enforcement
NPDES TX0006033: 1 single-event violation
| Date | What EPA recorded | Agency |
|---|---|---|
| February 20, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES TX0006033 (INEOS POLYTHYLENE NORTH AMERICA LA PORTE PLANT WWTP): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES TX0006033
NPDES TX0006033: one email when its EPA record changes — $99/month.
Permits near NPDES TX0006033
NPDES TX0006033: 87 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.