Clean Water Act discharge permit · NPDES TX0129887
TPC GROUP PORT NECHES OPERATIONS, Port Neches, TX: NPDES TX0129887 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
TPC GROUP PORT NECHES OPERATIONS, held by TPC GROU LLC, holds NPDES permit TX0129887, which discharges to Star Lake Canal; Neches River. EPA’s file records it issued September 6, 2016 and expiring August 1, 2021.
TPC GROUP PORT NECHES OPERATIONS, Port Neches, Texas: Individual permit TX0129887, held by TPC GROU LLC; Administratively continued (past its expiration date and still in force until reissued); issued September 6, 2016, term to August 1, 2021; discharges to STAR LAKE CANAL; NECHES RIVER.
- Carbon, tot organic [TOC]: 3 limits, 21 violations of any kind, 6 effluent exceedances, latest June 30, 2021, largest 622% over the limit.
- pH: 6 limits, 42 violations of any kind, 2 effluent exceedances, latest March 31, 2017.
- Oil & Grease: 3 limits, 17 violations of any kind, 2 effluent exceedances, latest September 30, 2019, largest 229% over the limit.
- Flow, in conduit or thru treatment plant: 6 limits, 8 violations of any kind, 0 effluent exceedances.
- September 9, 2026: Letter of Violation/ Warning Letter (State).
- February 10, 2026: Phone Call/ EMAIL (State).
TPC GROUP PORT NECHES OPERATIONS among its neighbors
EPA’s permit file holds 124 discharge permits in the Salt Bayou subwatershed (HUC 120402010300), TX0129887 among them. Its county holds 302, 16 of them major permits; TX0129887 is a minor permit.
Other permits in the Salt Bayou subwatershed (HUC 120402010300)
- A-1 AUTO AND TRUCK SALVAGE, Beaumont: TXR05FT84, minor permit, permit term to August 13, 2026
- BARGE DISCHARGE, Port Arthur: TXG670629, minor permit, permit term to April 4, 2030
- BASF BEAUMONT ARGO PLANT, Beaumont: TX0003671, minor permit, discharging to Taylor Bayou Above Tidal, permit term to November 13, 2023
- BECHTEL TEMP CBP SITE, Port Arthur: TXG114146, minor permit, permit term to November 6, 2026
- BIG HILL STRATEGIC PETROLEUM RESERVE, Winnie: TX0092827, minor permit, permit term to January 31, 2024
- BOBBY BS RV PARK, Beaumont: TXR1573UW, minor permit, discharging to RODAIR GULLY LATERAL 5, permit term to March 4, 2028
- CAMIN CARGO CONTROL MAGELLAN- GALENA PARK, Galena Park: TXRNECJ66, minor permit, permit term to August 13, 2026
- CAMIN CARGO CONTROL NEDERLAND, Nederland: TXR05GN34, minor permit, permit term to August 13, 2026
- CANAL AND WETLAND HDD DISCHARGE, Port Arthur: TXG670633, minor permit, permit term to April 4, 2030
- CHEVRON PHILLIPS CHEMICAL PORT ARTHUR TERMINAL, Port Arthur: TX0124249, minor permit, discharging to WEST TURNING BASIN OF SABINE-NECHES CANAL, permit term to January 29, 2024
Identity
| Facility as filed | TPC GROUP PORT NECHES OPERATIONS |
|---|---|
| Permittee as filed | TPC GROU LLC |
| NPDES ID | TX0129887 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 6, 2016 |
| Expiration date | August 1, 2021 |
| Address | Port Neches, TX 77651 |
| Receiving water | STAR LAKE CANAL; NECHES RIVER |
| Subwatershed | Salt Bayou (HUC 120402010300) |
| SIC | 2869 – Industrial Organic Chemicals |
| Other EPA IDs (FRS) | RCRA handler TXR000069476; ICIS-AIR source TX0000004824500006 |
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With a violation of any kind
- 3With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Carbon, tot organic [TOC] | 3 | 21 | 6 | June 30, 2021 | 622% over the limit |
| pH | 6 | 42 | 2 | March 31, 2017 | |
| Oil & Grease | 3 | 17 | 2 | September 30, 2019 | 229% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 8 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0129887.
Inspections
EPA’s inspection file holds no inspection for NPDES TX0129887.
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
| Date | What EPA recorded | Agency |
|---|---|---|
| September 9, 2026 | Letter of Violation/ Warning Letter | State |
| February 10, 2026 | Phone Call/ EMAIL | State |
Watch this permit
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.