Clean Water Act discharge permit · NPDES TX0116891
EXPLORER PIPELINE - PORT ARTHUR STATION, Port Arthur, TX: NPDES TX0116891 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
EXPLORER PIPELINE - PORT ARTHUR STATION, held by EXPLORER PIPELINE COMPANY, holds NPDES permit TX0116891, which discharges to Unnamed Drainage Ditch; Main Canal C Of Jefferson. EPA’s file records it issued September 20, 2018 and expiring September 20, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | EXPLORER PIPELINE - PORT ARTHUR STATION |
|---|---|
| Permittee as filed | EXPLORER PIPELINE COMPANY |
| NPDES ID | TX0116891 |
| 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 20, 2018 |
| Expiration date | September 20, 2023 |
| Address | Port Arthur, TX 77640 |
| Receiving water | UNNAMED DRAINAGE DITCH; MAIN CANAL C OF JEFFERSON |
| Subwatershed | Salt Bayou (HUC 120402010300) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 13Under a numeric limit
- 13With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | 2 | 19 | 3 | January 31, 2015 | 95% over the limit |
| pH | 4 | 34 | 2 | September 30, 2012 | |
| Oil & Grease | 2 | 18 | 2 | January 31, 2007 | 53% over the limit |
| Petrol hydrocarbons, total recoverable | 2 | 19 | 1 | January 31, 2018 | 113% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 37 | 0 | ||
| Lead, total [as Pb] | 2 | 16 | 0 | ||
| Aluminum, total [as Al] | 2 | 16 | 0 | ||
| Benzene | 2 | 16 | 0 | ||
| BTEX | 2 | 16 | 0 | ||
| E. coli | 2 | 4 | 0 | ||
| Coliform, fecal general | 0 | 3 | 0 | ||
| Mercury, total [as Hg] | 4 | 1 | 0 | ||
| Thallium, total [as Tl] | 1 | 1 | 0 | ||
| Discharge event observation [Visual Monitoring] | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 24, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| January 16, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TX0116891.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TX0116891 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.