Clean Water Act discharge permit · NPDES TX0070416
LA PORTE VCM PLANT, La Porte, TX: NPDES TX0070416 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 87Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
LA PORTE VCM PLANT, held by OXY VINYLS, LP, holds NPDES permit TX0070416, which discharges to 8 Pipe To Diffuser In Houston Ship. EPA’s file records it issued August 11, 2015 and expiring July 1, 2018.
LA PORTE VCM PLANT, La Porte, Texas: Individual permit TX0070416, held by OXY VINYLS, LP; Administratively continued (past its expiration date and still in force until reissued); issued August 11, 2015, term to July 1, 2018; discharges to 8 PIPE TO DIFFUSER IN HOUSTON SHIP.
- pH: 6 limits, 10 violations of any kind, 4 effluent exceedances, latest December 31, 2022.
- TCDD equivalents: 2 limits, 8 violations of any kind, 4 effluent exceedances, latest October 31, 2023, largest 2,147,483,650% over the limit.
- Solids, total suspended: 3 limits, 3 violations of any kind, 3 effluent exceedances, latest March 31, 2021, largest 44% over the limit.
- Oil & Grease: 2 limits, 5 violations of any kind, 2 effluent exceedances, latest January 31, 2023, largest 647% over the limit.
- Enterococci: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest March 31, 2021, largest 13,729% over the limit.
- Chlorine, total residual: 1 limit, 2 violations of any kind, 2 effluent exceedances, latest December 31, 2015, largest 100% over the limit.
- Flow, in conduit or thru treatment plant: 8 limits, 4 violations of any kind, 0 effluent exceedances.
- Carbon, tot organic [TOC]: 4 limits, 3 violations of any kind, 0 effluent exceedances.
- Copper, total [as Cu]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Fluorene: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Zinc, total [as Zn]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Hexachlorobenzene: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #1: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #2: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, total [as Cr]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Carbon tetrachloride: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Chloroform: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Toluene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Benzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Acenaphthylene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Acenaphthene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Acrylonitrile: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Anthracene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Benzo[b]fluoranthene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Benzo[k]fluoranthene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Benzo[a]pyrene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Chlorobenzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Chrysene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Diethyl phthalate: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Dimethyl phthalate: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Ethylbenzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Fluoranthene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Hexachlorobutadiene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Hexachloroethane: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Methyl chloride [Chloromethane]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Methylene chloride: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrobenzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Phenanthrene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Pyrene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Tetrachloroethylene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,1-Dichloroethane: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,1-Dichloroethylene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,1,1-Trichloroethane: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,1,2-Trichloroethane: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Benzo[a]anthracene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,2-Dichloroethane, total weight: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,2-Dichlorobenzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,2-Dichloropropane: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- trans-1,2-Dichloroethylene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,2,4-Trichlorobenzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,3-Dichlorobenzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 1,4-Dichlorobenzene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 2-Chlorophenol: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 2-Nitrophenol: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 2,4-Dichlorophenol: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 2,4-Dimethylphenol: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 2,4-Dinitrotoluene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 2,4-Dinitrophenol: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 2,6-Dinitrotoluene: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- 4-Nitrophenol: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Other permits held by OXY VINYLS, LP
- BATTLEGROUND CHLOR ALKALI PLANT, La Porte: TX0008150, issued January 10, 2018
LA PORTE VCM PLANT among its neighbors
EPA’s permit file holds 112 discharge permits in the Goose Creek-Frontal Galveston Bay subwatershed (HUC 120401040706), TX0070416 among them. Its county holds 4,455, 195 of them major permits; TX0070416 is a major permit.
Other permits in the Goose Creek-Frontal Galveston Bay subwatershed (HUC 120401040706)
- AIR LIQUIDE BAYTOWN ASU FACILITY, Baytown: TXR1583VZ, minor permit, discharging to BURNET BAY, permit term to March 4, 2028
- AIR PRODUCTS LA PORTE PLANT, La Porte: TX0004944, minor permit, discharging to DRAINAGE DITCH;HCFCD F103-00-00;SAN JACINTO BAY, permit term to July 12, 2023
- AIR PRODUCTS LA PORTE PLANT, La Porte: TXR1595PW, minor permit, permit term to March 4, 2028
- AIRGAS DRY ICE FACILITY, La Porte: TX0136638, minor permit, discharging to San Jacinto Bay, permit term to March 31, 2024
- BARBOURS CUT TERMINAL, La Porte: TXR05GM41, minor permit, permit term to August 13, 2026
- BATTLEGROUND CHLOR ALKALI PLANT, La Porte: TX0008150, major permit, discharging to SEG 1005 SAN JACINTO RIVER BASIN, permit term to July 1, 2020
- BATTLEGROUND ROAD FACILITY, La Porte: TX0077585, minor permit, discharging to DRAINAGE DITCH;TIDAL RD;TUCKER BAYO, permit term to May 1, 2013
- BAYTOWN ACE INDUSTRIAL SERVICES, Baytown: TXR05FO27, minor permit, permit term to August 13, 2026
- BAYTOWN CENTRAL, Baytown: TXR1557NT, minor permit, discharging to CARY BAYOU, permit term to March 4, 2028
- BAYTOWN FIRE STATION NO 2, Baytown: TXR1552XS, minor permit, discharging to GOOSE CREEK TIDAL, permit term to March 4, 2028
Identity
| Facility as filed | LA PORTE VCM PLANT |
|---|---|
| Permittee as filed | OXY VINYLS, LP |
| NPDES ID | TX0070416 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 11, 2015 |
| Expiration date | July 1, 2018 |
| Address | La Porte, TX 77571 |
| Receiving water | 8 PIPE TO DIFFUSER IN HOUSTON SHIP |
| Subwatershed | Goose Creek-Frontal Galveston Bay (HUC 120401040706) |
| SIC | 2869 – Industrial Organic Chemicals |
| Other EPA IDs (FRS) | RCRA handler TXD070133319; ICIS-AIR source TX0000004820100320 |
Effluent limits and exceedances
- 87Pollutants on file
- 87Under a numeric limit
- 11With a violation of any kind
- 6With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 87 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 6 | 10 | 4 | December 31, 2022 | |
| TCDD equivalents | 2 | 8 | 4 | October 31, 2023 | 2,147,483,650% over the limit |
| Solids, total suspended | 3 | 3 | 3 | March 31, 2021 | 44% over the limit |
| Oil & Grease | 2 | 5 | 2 | January 31, 2023 | 647% over the limit |
| Enterococci | 4 | 2 | 2 | March 31, 2021 | 13,729% over the limit |
| Chlorine, total residual | 1 | 2 | 2 | December 31, 2015 | 100% over the limit |
| Flow, in conduit or thru treatment plant | 8 | 4 | 0 | ||
| Carbon, tot organic [TOC] | 4 | 3 | 0 | ||
| Copper, total [as Cu] | 3 | 3 | 0 | ||
| Fluorene | 2 | 2 | 0 | ||
| Zinc, total [as Zn] | 1 | 2 | 0 | ||
| Hexachlorobenzene | 4 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Carbon tetrachloride | 2 | 0 | 0 | ||
| Chloroform | 2 | 0 | 0 | ||
| Toluene | 2 | 0 | 0 | ||
| Benzene | 2 | 0 | 0 | ||
| Acenaphthylene | 2 | 0 | 0 | ||
| Acenaphthene | 2 | 0 | 0 | ||
| Acrylonitrile | 2 | 0 | 0 | ||
| Anthracene | 2 | 0 | 0 | ||
| Benzo[b]fluoranthene | 2 | 0 | 0 | ||
| Benzo[k]fluoranthene | 2 | 0 | 0 | ||
| Benzo[a]pyrene | 2 | 0 | 0 | ||
| Chlorobenzene | 2 | 0 | 0 | ||
| Chrysene | 2 | 0 | 0 | ||
| Diethyl phthalate | 2 | 0 | 0 | ||
| Dimethyl phthalate | 2 | 0 | 0 | ||
| Ethylbenzene | 2 | 0 | 0 | ||
| Fluoranthene | 2 | 0 | 0 | ||
| Hexachlorobutadiene | 2 | 0 | 0 | ||
| Hexachloroethane | 2 | 0 | 0 | ||
| Methyl chloride [Chloromethane] | 2 | 0 | 0 | ||
| Methylene chloride | 2 | 0 | 0 | ||
| Nitrobenzene | 2 | 0 | 0 | ||
| Phenanthrene | 2 | 0 | 0 | ||
| Pyrene | 2 | 0 | 0 | ||
| Tetrachloroethylene | 2 | 0 | 0 | ||
| 1,1-Dichloroethane | 2 | 0 | 0 | ||
| 1,1-Dichloroethylene | 2 | 0 | 0 | ||
| 1,1,1-Trichloroethane | 2 | 0 | 0 | ||
| 1,1,2-Trichloroethane | 2 | 0 | 0 | ||
| Benzo[a]anthracene | 2 | 0 | 0 | ||
| 1,2-Dichloroethane, total weight | 2 | 0 | 0 | ||
| 1,2-Dichlorobenzene | 2 | 0 | 0 | ||
| 1,2-Dichloropropane | 2 | 0 | 0 | ||
| trans-1,2-Dichloroethylene | 2 | 0 | 0 | ||
| 1,2,4-Trichlorobenzene | 2 | 0 | 0 | ||
| 1,3-Dichlorobenzene | 2 | 0 | 0 | ||
| 1,4-Dichlorobenzene | 2 | 0 | 0 | ||
| 2-Chlorophenol | 2 | 0 | 0 | ||
| 2-Nitrophenol | 2 | 0 | 0 | ||
| 2,4-Dichlorophenol | 2 | 0 | 0 | ||
| 2,4-Dimethylphenol | 2 | 0 | 0 | ||
| 2,4-Dinitrotoluene | 2 | 0 | 0 | ||
| 2,4-Dinitrophenol | 2 | 0 | 0 | ||
| 2,6-Dinitrotoluene | 2 | 0 | 0 | ||
| 4-Nitrophenol | 2 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0070416.
Inspections
EPA’s inspection file holds no inspection for NPDES TX0070416.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES TX0070416.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.