Clean Water Act discharge permit · NPDES TX0053023
SAN JACINTO RIVER AND RAIL, Houston, TX: NPDES TX0053023 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 56Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
SAN JACINTO RIVER AND RAIL, held by W & P DEVELOPMENT CORPORATION, holds NPDES permit TX0053023, which discharges to Houston Ship Channel. EPA’s file records it issued May 3, 2019 and expiring May 3, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SAN JACINTO RIVER AND RAIL |
|---|---|
| Permittee as filed | W & P DEVELOPMENT CORPORATION |
| NPDES ID | TX0053023 |
| 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 | May 3, 2019 |
| Expiration date | May 3, 2024 |
| Address | Houston, TX 77049 |
| Receiving water | HOUSTON SHIP CHANNEL |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Vince Bayou-Buffalo Bayou (HUC 120401040703) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 56Pollutants on file
- 56Under a numeric limit
- 15With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 33 | 29 | May 31, 2024 | 1,846% over the limit |
| Oxygen demand, chem. [high level] [COD] | 1 | 20 | 15 | May 31, 2026 | 542% over the limit |
| Titanium, total [as Ti] | 4 | 14 | 14 | November 30, 2023 | 537% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 16 | 12 | November 30, 2023 | 202% over the limit |
| Enterococci | 4 | 13 | 11 | November 30, 2025 | 449% over the limit |
| Mercury, total [as Hg] | 4 | 10 | 10 | April 30, 2024 | 2,068% over the limit |
| Nickel, total [as Ni] | 8 | 6 | 6 | May 31, 2024 | 88% over the limit |
| Zinc, total [as Zn] | 8 | 3 | 3 | May 31, 2024 | 37% over the limit |
| pH range excursions, > 60 minutes | 1 | 5 | 1 | May 31, 2026 | 2,147,483,650% over the limit |
| Carbon, tot organic [TOC] | 3 | 2 | 1 | June 30, 2026 | 73% over the limit |
| Chlorine, total residual | 2 | 1 | 1 | August 31, 2016 | 54% over the limit |
| pH | 8 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 10 | 0 | ||
| Oil & Grease | 7 | 6 | 0 | ||
| pH range excursions, monthly total accum | 1 | 4 | 0 | ||
| Copper, total [as Cu] | 8 | 0 | 0 | ||
| Lead, total [as Pb] | 8 | 0 | 0 | ||
| Silver, total [as Ag] | 8 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 7 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 7 | 0 | 0 | ||
| Arsenic, total [as As] | 4 | 0 | 0 | ||
| Cadmium, total [as Cd] | 4 | 0 | 0 | ||
| Chromium, total [as Cr] | 4 | 0 | 0 | ||
| Cobalt, total [as Co] | 4 | 0 | 0 | ||
| Vanadium, total [as V] | 4 | 0 | 0 | ||
| Antimony, total [as Sb] | 4 | 0 | 0 | ||
| Tin, total [as Sn] | 4 | 0 | 0 | ||
| Selenium, total [as Se] | 4 | 0 | 0 | ||
| Butyl benzyl phthalate | 4 | 0 | 0 | ||
| Fluoranthene | 4 | 0 | 0 | ||
| 2,4,6-Trichlorophenol | 4 | 0 | 0 | ||
| Phenol | 4 | 0 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 4 | 0 | 0 | ||
| Acetone, dry weight | 4 | 0 | 0 | ||
| Pyridine | 4 | 0 | 0 | ||
| p-Cresol | 4 | 0 | 0 | ||
| n-Decane | 4 | 0 | 0 | ||
| Carbazole | 4 | 0 | 0 | ||
| n-Octadecane | 4 | 0 | 0 | ||
| 2-Butanone | 4 | 0 | 0 | ||
| o-Cresol [2-Methylphenol] | 4 | 0 | 0 | ||
| Acetophenone | 4 | 0 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 4 | 0 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 4 | 0 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 0 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 4 | 0 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 0 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 4 | 0 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 0 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 4 | 0 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 4 | 0 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 4 | 0 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 4 | 0 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 4 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 1 | 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 |
|---|---|---|
| April 29, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| November 3, 2020 | 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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.