Clean Water Act discharge permit · NPDES TX0133353
HOUSTON SHIP CHANNEL MARINE LOADING FACILITY, Houston, TX: NPDES TX0133353 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
HOUSTON SHIP CHANNEL MARINE LOADING FACILITY, held by ENTERPRISE PRODUCTS OPERATING LLC, holds NPDES permit TX0133353, which discharges to Series Of Manmade Ditchehouston Ship Channel Tidal. EPA’s file records it issued November 28, 2017 and expiring November 28, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | HOUSTON SHIP CHANNEL MARINE LOADING FACILITY |
|---|---|
| Permittee as filed | ENTERPRISE PRODUCTS OPERATING LLC |
| NPDES ID | TX0133353 |
| 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 | November 28, 2017 |
| Expiration date | November 28, 2022 |
| Address | Houston, TX 77015 |
| Receiving water | SERIES OF MANMADE DITCHEHOUSTON SHIP CHANNEL TIDAL |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Vince Bayou-Buffalo Bayou (HUC 120401040703) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 5Under a numeric limit
- 6With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Chlorine, total residual | 2 | 25 | 25 | July 31, 2026 | 340% over the limit |
| Oxygen demand, chem. [high level] [COD] | 1 | 22 | 22 | April 30, 2026 | 80% over the limit |
| Aluminum, total [as Al] | 0 | 5 | 5 | November 30, 2017 | 498% over the limit |
| pH | 2 | 3 | 3 | February 28, 2026 | |
| Oil & Grease | 1 | 3 | 3 | June 30, 2023 | 42% over the limit |
| Carbon, tot organic [TOC] | 0 | 1 | 1 | January 31, 2025 | 8% over the limit |
| Flow, in conduit or thru treatment plant | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 17, 2025 | 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.
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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 TX0133353 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.