Clean Water Act discharge permit · NPDES TX0003531
EQUISTAR CHEMICALS CHANNELVIEW COMPLEX, Channelview, TX: NPDES TX0003531 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 90Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
EQUISTAR CHEMICALS CHANNELVIEW COMPLEX, held by EQUISTAR CHEMICALS, LP, holds NPDES permit TX0003531, which discharges to Unnamed Drainage Ditches, Wallisvile Gully; San Ja. EPA’s file records it issued September 5, 2017 and expiring July 1, 2020. 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 | EQUISTAR CHEMICALS CHANNELVIEW COMPLEX |
|---|---|
| Permittee as filed | EQUISTAR CHEMICALS, LP |
| NPDES ID | TX0003531 |
| 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 | September 5, 2017 |
| Expiration date | July 1, 2020 |
| Address | Channelview, TX 77530 |
| Receiving water | UNNAMED DRAINAGE DITCHES, WALLISVILE GULLY; SAN JA |
| Subwatershed | Jackson Bayou-San Jacinto River (HUC 120401040704) |
| SIC | 2869 – Industrial Organic Chemicals |
| Other EPA IDs (FRS) | RCRA handler TXD058275769; ICIS-AIR source TX0000004820100075 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 91Pollutants on file
- 90Under a numeric limit
- 26With 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; the 60 with the most exceedances of 91 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 10 | 18 | 8 | February 28, 2021 | |
| BOD, carbonaceous [5 day, 20 C] | 2 | 9 | 7 | June 30, 2023 | 264% over the limit |
| Enterococci | 4 | 6 | 6 | March 31, 2026 | 99,999% over the limit |
| Oxygen demand, chem. [high level] [COD] | 2 | 5 | 3 | June 30, 2023 | 179% over the limit |
| Aluminum, total [as Al] | 0 | 4 | 3 | March 31, 2025 | 261% over the limit |
| Solids, total suspended | 2 | 4 | 2 | February 28, 2022 | 692% over the limit |
| Flow, in conduit or thru treatment plant | 14 | 13 | 1 | March 31, 2007 | 483% over the limit |
| Zinc, total [as Zn] | 6 | 10 | 1 | July 31, 2007 | 19% over the limit |
| Carbon, tot organic [TOC] | 4 | 5 | 1 | August 31, 2009 | 35% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 3 | 1 | June 30, 2023 | 5% over the limit |
| Chlorine, total residual | 2 | 2 | 1 | March 31, 2008 | 675% over the limit |
| Oil & Grease | 6 | 5 | 0 | ||
| pH range excursions, > 60 minutes | 1 | 5 | 0 | ||
| pH range excursions, monthly total accum | 1 | 5 | 0 | ||
| Lead, total [as Pb] | 2 | 4 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 4 | 0 | ||
| Copper, total [as Cu] | 4 | 2 | 0 | ||
| Chromium, total [as Cr] | 2 | 2 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Benzene | 2 | 2 | 0 | ||
| Fluorene | 2 | 2 | 0 | ||
| 2,4-Dichlorophenol | 2 | 1 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 1 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 1 | 1 | 0 | ||
| Hexachlorobenzene | 4 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 0 | 0 | ||
| Carbon tetrachloride | 2 | 0 | 0 | ||
| 1,2-Dichloroethane | 2 | 0 | 0 | ||
| Chloroform | 2 | 0 | 0 | ||
| Toluene | 2 | 0 | 0 | ||
| Acenaphthylene | 2 | 0 | 0 | ||
| Acenaphthene | 2 | 0 | 0 | ||
| Acrylonitrile | 2 | 0 | 0 | ||
| Anthracene | 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-Dichlorobenzene | 2 | 0 | 0 | ||
| 1,2-Dichloropropane | 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 |
|---|---|---|
| April 12, 2023 | 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.