Clean Water Act discharge permit · NPDES TX0008761
CHAMPIONX FREEPORT PLANT, Freeport, TX: NPDES TX0008761 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 66Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
CHAMPIONX FREEPORT PLANT, held by CHAMPIONX LLC, holds NPDES permit TX0008761, which discharges to Dow Chemical Plant Effluent Canal;Brazos Rv Tidal. EPA’s file records it issued September 17, 2019 and expiring September 17, 2024. 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 | CHAMPIONX FREEPORT PLANT |
|---|---|
| Permittee as filed | CHAMPIONX LLC |
| NPDES ID | TX0008761 |
| 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 17, 2019 |
| Expiration date | September 17, 2024 |
| Address | Freeport, TX 77541 |
| Receiving water | DOW CHEMICAL PLANT EFFLUENT CANAL;BRAZOS RV TIDAL |
| Subwatershed | Lower Oyster Creek (HUC 120402050400) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 68Pollutants on file
- 66Under a numeric limit
- 68With a violation of any kind
- 8With 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 68 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Enterococci | 4 | 37 | 34 | July 31, 2025 | 4,515% over the limit |
| pH | 10 | 59 | 12 | July 31, 2023 | |
| Oxygen demand, chem. [high level] [COD] | 6 | 37 | 10 | June 30, 2021 | 390% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 2 | 15 | 6 | April 30, 2017 | 142% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 8 | 6 | July 31, 2005 | 162% over the limit |
| Solids, total suspended | 2 | 13 | 4 | April 30, 2012 | 129% over the limit |
| Oil & Grease | 7 | 39 | 3 | November 30, 2009 | 1,233% over the limit |
| Nitrobenzene | 2 | 11 | 1 | June 30, 2002 | 3,230% over the limit |
| Flow, in conduit or thru treatment plant | 16 | 74 | 0 | ||
| 1,2-Dichloroethane | 4 | 20 | 0 | ||
| Toluene | 4 | 20 | 0 | ||
| 4-Nitrophenol | 2 | 14 | 0 | ||
| 1,3-Dichlorobenzene | 2 | 12 | 0 | ||
| 1,4-Dichlorobenzene | 2 | 12 | 0 | ||
| 2-Chlorophenol | 2 | 12 | 0 | ||
| 2-Nitrophenol | 2 | 12 | 0 | ||
| 2,4-Dichlorophenol | 2 | 12 | 0 | ||
| 2,4-Dimethylphenol | 2 | 12 | 0 | ||
| Lead, total [as Pb] | 2 | 10 | 0 | ||
| Carbon tetrachloride | 2 | 10 | 0 | ||
| Chloroform | 2 | 10 | 0 | ||
| Benzene | 2 | 10 | 0 | ||
| Acenaphthylene | 2 | 10 | 0 | ||
| Acenaphthene | 2 | 10 | 0 | ||
| Acrylonitrile | 2 | 10 | 0 | ||
| Anthracene | 2 | 10 | 0 | ||
| Benzo[b]fluoranthene | 2 | 10 | 0 | ||
| Benzo[k]fluoranthene | 2 | 10 | 0 | ||
| Benzo[a]pyrene | 2 | 10 | 0 | ||
| Chlorobenzene | 2 | 10 | 0 | ||
| Chrysene | 2 | 10 | 0 | ||
| Diethyl phthalate | 2 | 10 | 0 | ||
| Dimethyl phthalate | 2 | 10 | 0 | ||
| Ethylbenzene | 2 | 10 | 0 | ||
| Fluoranthene | 2 | 10 | 0 | ||
| Fluorene | 2 | 10 | 0 | ||
| Hexachlorobutadiene | 2 | 10 | 0 | ||
| Hexachloroethane | 2 | 10 | 0 | ||
| Methyl chloride [Chloromethane] | 2 | 10 | 0 | ||
| Methylene chloride | 2 | 10 | 0 | ||
| Phenanthrene | 2 | 10 | 0 | ||
| Tetrachloroethylene | 2 | 10 | 0 | ||
| 1,1-Dichloroethane | 2 | 10 | 0 | ||
| 1,1-Dichloroethylene | 2 | 10 | 0 | ||
| 1,1,1-Trichloroethane | 2 | 10 | 0 | ||
| 1,1,2-Trichloroethane | 2 | 10 | 0 | ||
| Benzo[a]anthracene | 2 | 10 | 0 | ||
| 1,2-Dichlorobenzene | 2 | 10 | 0 | ||
| 1,2-Dichloropropane | 2 | 10 | 0 | ||
| trans-1,2-Dichloroethylene | 2 | 10 | 0 | ||
| 1,2,4-Trichlorobenzene | 2 | 10 | 0 | ||
| 2,4-Dinitrotoluene | 2 | 10 | 0 | ||
| 2,4-Dinitrophenol | 2 | 10 | 0 | ||
| 2,6-Dinitrotoluene | 2 | 10 | 0 | ||
| 4,6-Dinitro-o-cresol | 2 | 10 | 0 | ||
| Phenol | 2 | 10 | 0 | ||
| Naphthalene | 2 | 10 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 2 | 10 | 0 | ||
| Di-n-butyl phthalate | 2 | 10 | 0 | ||
| Vinyl chloride | 2 | 10 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0008761.
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 September 14, 2026.